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Home My WebLink AboutRes 36-79 10/16/1979 RESOLUTION NO. 36- 79 A RESOLUTION APPOINTING COMMON COUNSEL AND ENGINEERING CONSULTANTS FOR LAKE MICHIGAN WATER ALLOCATIONS WHEREAS, the Village of Mount Prospect is a member of the Northwest Suburban Water System Venture, hereinafter referred to as "the Venture", which is a joint and cooperative undertaking of northwest suburban communities to provide Lake Michigan water; and WHEREAS, the Board of Directors of the Venture has recommended, in order to coordinate presentations by member municipalities at the next round of hearings by the Illinois Department of Transportation on Allocation of Lake Michigan Water, that each member municipality retain'the same legal counsel and engineering consultants; and WHEREAS, the Board of Directors of the Venture have recommended that each municipality employ the Venture's legal counsel, Isham, Lincoln & Beale, and its engineering consultants, Metcalf & Eddy/Murphy Engineering for those he arings . NOW, THEREFORE, BE IT RESOLVED BY THE MAYOR AND BOARD OF TRUSTEES OF THE VILLAGE OF MOUNT PROSPECT, COOK COUNTY, ILLINOIS: SECTION ONE: With regard to the forthcoming hearings by the Illinois Department of Transportation on allocation of Lake Michigan Water, the Village of Mount Prospect shall employ Isham, Lincoln & Beale as its legal counsel and Metcalf Eddy /Murphy Engineering as its engineering consultants. SECTION TWO: The Mayor of the Village of Mount Prospect is hereby authorized execute such form or forms as shall be necessary or desirable so to retain those firms for that purpose. SECTION THREE: Isham, Lincoln and Beale is hereby authorized to enters its appearance on behalf of the Village of Mount Prospect at those hearings. SECTION FOUR: This Resolution shall be in full force and effect from and after its passage and approval in the manner provided by law. PASSED this 16th day of AYES: 6 October , 1979. NAYS: 0 ABSENT: 0 APPROVED this 16th day of October , 1979. ATTEST: (;A# to Mayor '1 /I.J;;~~-- dwd'uJn!~~ Village Clerk APPOINTJ\JENT OF COUNSEL Pursuant to the attached Resolution No. 36-79, the Village of Mount Prospect retains the firm of Isham, Lincoln & Beale to represent it in hearings before the Illinois Department of Transportation on Lake Michigan water allocation. Those services shall be provided pursuant to the terms specified in the letter from Isham, Lincoln & Beale to the Northwest Suburban Water System Venture, dated September 14, 1979, a copy of which is attached hereto. Dated this 16th day of October , 1979. Village of Mount Prospect By: &~ #~~ ViU ge President APPOINTMENT OF ENGINEERING CONSULTA NTS Pursuant to the attached Resolution No. 36-79, the Village of Mount Prospect retains the firms of Metcalf Eddy/Murphy Engineering to provide engineering consultant services with respect to hearings before the Illinois Department of Transportation on Lake Michigan water allocation. Those services shall be provided pursuant to the terms specified in the letter from Metcalf Eddy /Murphy Engineering to the Northwest Suburban Water System Venture, dated September 26 , 1979, a copy of which is attached hereto. Dated this 16th day of October , 1979. Village of Mount Prospect By: ~p!~ <;, .. " ?~rQ'SA4- - LEG16r~ ISHAM, LINCOLN & BEALE COUNSELORS AT LAW ONE FIRST NATIONAL PLAZA FORTY-Se:COND FLOOR CHICAGO. ILLINOIS 60603 TELEPHONE 312- 558-7500 TELEX: 2-5288 ... ........ .f~' :' ;'i' ~ 'J1 t,.. WASHINGTON OF'F'ICE 1050 t7!tt STRE.:::T, N. W. SEVENTH F'LOOR WASHINGTON, D. C.20036 202-833-9730 . 1:-11 \ .. ~ r , "1'1 . ' :\ l t.G'';'' ............,.. ":-', :\~:~ September 14, 1979 Mr. Charles A. Willis Chairman, Executive Committee Northwest Suburban Water System Elk Grove Village 901 Wellington Avenue . Elk Grove Village, Illinois 60007 Dear Hr. Willis: We have received the minutes of the August 30, 1979, meeting of the Executive Committee of the Venture in which it recommended to the Board of .Directors that member municipalities retain a single law firm for the next round of state water allocation. We would be very pleased to represent the Venture and its members in this regard. Should our firm be asked to undertake this repre- sentation, I would expect that I would coordinate the repre- sentation. Also working on the project would be the following lawyers: A. Daniel Feldman, A.B., J.D. University of Chicago (Managing Editpr of University of Chicago Law Review). Admitted to bar 1958; did substantial work on the United States Supreme Court water diversion case, and author of an article on the case. Mr. Feldman is a specialist in water and environmental matters. Robert H. Wheeler, B.A., J.D. Northwestern University (Editor-in-Chief of Northwestern Law Review). Admitted to bar 1970. Mr. Wheeler is an expert on various water mat- ters and on administrative hearings. Unless it is otherwise desired, we would propose to bill the Venture for all our services, rather than submitting Of . , ........ J. Metcalf & Eddy \ Murphy Engineering-A ~oint Venture Suite 500, 1011 East Touhy Avenue, Des Plaines, lfIinois 60018. 312-298-5070 September 26, 1979 Mr. Charles A. Willis, Chairman Northwest Suburban Water System Executive Committee 901 Wellington Avenue Elk Grove Village, Illinois 60007 Reference: Proposal for Engineering Services in regard to Lake Michigan Water Allocations Dear Mr. Willis: The Metcalf & Eddy, Inc.jMurphy Engineering Incorporated Joint Venture is pleased to respond to the request of the Executive Committee of the Northwest Suburban Water System for a proposal to provide engineering services in regard to Lake Michigan Water Allocations for The Northwest Suburban Water System Venture, hereinafter called VENTURE. These services would be provided for the water VENTURE as a group, on a demand basis, as requested by the water VENTURE Board of Directors, it's Executive Committee, or the Chairman of the Executive Committee. In addition to providing services as requested, we would suggest programs and areas of study for the water VENTURE'S consideration. We would also attempt to identify any necessary decisions needed to achieve the objectives of the water VENTURE in regard to Lake Michigan water allocation proceedings and related work. The engineering services which we are proposing to pro- vide, are intended to supplement and not duplicate work presently being accomplished in our separate agreement as approved on March 14, 1979. Scope of Services Although it is not possible to clearly define a detailed scope and extent of work involved, it is the intent of this proposal to structure a basis for providing engineering services as follows: 1) Represent VENTURE group and Individual VENTURE Municipalities as requested. .~'''''''', A Joint Venture of Metcalf & Eddy, Inc. and Murphy Engineering, Inc. '9. ",. . ~ Mr. Charles A. Willis Page Two September 14, 1979 separate bills to each member. Billing will be based on our actual time involved at our regular hourly rates for continuing clients. While these rates vary depending on the lawyer, I estimate that during 1979 our bills would average about $70 an hour. We will charge additional amounts for our disbursements and charges, including xerox, legal research computer time, travel expenses, secretarial overtime and the like. Regular secretarial services are included in the bills for professional services. Bills would be submitted quarterly. I enclose a brief resolution and authorization form which member municipalities may use to authorize .retaining us and Metcalf & Eddy/Murphy Engineering. . The form contem- plates the representation being for the individual municipal- ities. Staff of the Illinois Department of Transportation have indicated to us that allocations will be given to member municipalities and not the Venture itself. There is a specific form designed by the Illinois Department of Trans- portation to allow representatives to appear on behalf of municipalities in hearings. We understand, however, that the rules of the Department in this regard are about to be changed. Thus, we thought it better to wait to see what form, if any, may be required by the Department before sub- mitting any such required document. If you have any questions, please do not hesitate . to call or write. Very truly yours, '--- fLL)~ c. Richard Johnson CRJ:cs Enclosure ~ ~ . .'. .'..,. ..' _ .-. -:..'. ..~-> ,",-'~_.o...:,$,o._~, -____ .... _ . September 26, 1979 2 2) Assist in determining type and substance of data and information to be submitted to Division of Water Resources (DWR). 3) Assist in data acquisition. 4) Assemble and interpret significance of data. 5) Provide additional source of data and suggestions to DWR~ 6) Serve as a focal point and information clearing house for the VENTURE Municipalities. 7) Provide a response mechanism to the allocation process more directly related to the water needs of the VENTURE municipalities as these needs become apparent or can be predicted with sub- stantiating backup. 8) Assist VENTURE Municipalities and VENTURE in ob- taining and preparing cost data for development of groundwater source, treatment, and transmission. 9) Adapt estimated costs for Lake Michigan supply from VENTURE study for comparison with alternate of additional groundwater source costs. 10) Prepare comparison on costs of obtaining, treating, and distributing water from groundwater to costs of partial or full Lake Michigan water allocations. 11) Coordinate all aspects of Lake Michigan allocation relating to determination of cost considerations with DWR. 12) Perform such other tasks as may be defined by the water VENTURE or as may be proposed by the Engineer and agreed to by the water VENTURE. Project Management and Schedule It is our intent to keep a close working relationship with the VENTURE organization and maintain complete awareness of the allocation process and the work to be performed at all times. Advice to, and coordination with, VENTURE shall be provided on a continuing basis. Mr. Robert Hall or Mr. Leonard Holt will be available to meet with the water VENTURE throughout the schedule of the allocation process, as needed and requested. ~ k September 26, 1979 3 Engineering services shall be performed as required by the schedule and deadlines established by the Illinois Depart- ment of Transportation, Division of Water Resources (IDOT-DWR), and by the water VENTURE. We would advise VENTURE regarding scheduling limitations. Compensation It is anticipated that the present Lake Michigan water allocation process will extend over a prolonged period of time. Therefore, it is necessary to define limits, for budget purposes, on the cost of services to be provided. . We propose that the services be provided on a task basis, with each task agreed to in advance, and an upper limit set for that task which would not be exceeded without prior approval from the water VENTURE. For the services which are anticipated to be provided to the water VENTURE, . . _ a budget of ten thousand dollars ($10,000) is suggested. For the services which are anticipated to be provided to the Individual VENTURE Municipal- ities, a budget of five thousand dollars ($5,000) is suggested to De established for each municipality. Our fee would be on a time-charge plus expense basis, payable monthly as charges accrue, and would be the sum of the following: Salary times a multiplier of 2.88 Nonsalary expenses times a multiplier of 1.0 Salary is defined as salary and wages paid to personnel for time chargeable to the projectQ Nonsalary expenses include such typical expenses as cost of: transportation and subsis- tence; toll telephone calls and telegraph; printing and repro- duction; computer time and programming costs; identifiable supplies; outside consultant charges; subcontracts for services such as laboratory analysis of water; and charges by reviewing authorities. Direct Services to Individual VENTURE Municipalities Once a determination has been made through mutual agree- ment with VENTURE of the type and substance of data and informa- tion to be submitted to the Division of Water Resources, each municipality will be required to obtain this data and information and provide it to VENTURE for assembly and interpretation. If 8 ~ September 26, 1979 4 we should identify deficiencies in the necessary data, or if a given municipality determines that it will need additional engineering support to develop its data, we are prepared to provide these services. Such services would be provided as amendments to an agreement between us and VENTURE. Such amendments would define the scope of the work task, set a budget cost figure which would not be exceeded without prior approval and would be executed by the Executive Committee Chariman and the VENTURE Municipality in question. The basis of compensation would be as previously presented in this proposal. We appreciate the opportunity to submit this proposal, and we look forward to again being of service to the Northwest Suburban Water System Venture. If you have any questions or comments with respect to this proposal, please contact us. Very truly yours, MURPHY ENGINEERING INCORPORATED ~2Y~~ James J. McDonough President METCALF & EDDY, INC. ~CiJa1J;; . Richard A. ~ti Regional Vice President , ,-'~ ;i "\" -- '~D- " \.... i::. i ,I 1;:. f OCT ~,~ b 1 S7S ISHAM, LINCOLN & BEALE COUNSELORS AT LAW !.m.tM,f. f"M;'1!,t!'"O";.1; 'w~WE ONe: FIRST NATIONAL PLAZA FORTY-SEGOND FLOOR CHICAGO, ILLINOIS 60603 TELEPHONE 312-558-7500 TELEX: 2-5288 WASHINGTON OFF'ICE 1050 17T..tt STREET, N. W. SEVENTH FLOOR WASHINGTON, D. C.20036 202-833-9730 October 25, 1979 Mr. Charles A. Willis Chairman, Executive Committee Northwest Surburban Water System 901 Wellington Avenue Elk Grove Village, Illinois 60007 Dear Chuck: Thank you for your recent letter about our fee arrangements for Venture. We will be pleased each January to update the information as to our estimated average hourly rate for the year. Presently our estimated average hourly rate for work to be done for the Venture is $70. As we have indicated, the actual charges are based on the rates for the particular lawyer involved. This varies basically depending on the experience of the lawyer. Our firm has adhered to the price guidelines of the Council on Wage and Price Stability. Thus, I expect that any increase in our rates for 1980 will be within the limits established by the Council. I will write again in January with the actual updated fee estimate. Very truly yours, )Jij c. Richard Johnson CRJ:cs o I f\ ..! f~ i~ li i; ct-~ : t ' I [- r. "",~~~-.. ......~.."~,'" .'~ :'<. j';"~ ....-' :; f':::'U ~~ i:~ M ISHAM, LINCOLN & BEALE COUNSELORS AT LAW r ' :, ;.' U l., J :: b Vi f cJ '-/j ..; ONE FIRST NATIONAL PLAZA FORTY-SECOND FLOOR ','tfl';f'rt: CHICAGO, ILLINOIS 60603 ' <~""d... f; ~.":) ".~ ,'"''!It..~f'-h .:;0, "j nt:i: TELe:PHONE 312-558-7500 TELEX: 2-5288 WASHINGTON OF'F'ICE 1050 17!.!" STREET, N. W. SEVENTH F'LOOR WASHINGTON, O. C.20036 202-833-9730 October 25, 1979 Mr. Charles A. Willis Chairman, Executive Committee Northwest Surburban Water System 901 Wellington Avenue Elk Grove Village, Illinois 60007 Dear Chuck: Enclosed is a recent release from the Illinois Department of Transportation's Division of Water Resources. I think it would be appropriate for the Venture to submit comments concerning the subject of this release to the Division, including, in particular, any statements that it wishes to make about the terms of water allocations. I will give you a call in a few days to discuss this matter in more detail. Very truly yours, 01 C. Richard Johnson CRJ : c s Enclosure cc: Paul Williams o I I/'< o ( ..... -' 1 ~ ~ . < ~ 4..( ~J ~ ~ ! r."ti ~ - 'r L==~ .~, : ( ~~~.~:)....', IW.i10is Department of -rransportation \ "V..' DiVISion 0; Water Resources ,,\. " 300 \lorth Stare Street,Room 1010 .~ Chicago !Hmols 606iO _/-"~" ALLOCATION PLAN OF STUDY AND WATER DEMAND PROJECTIONS The Division of Water Resources is continuing with the comprehensive water resource supply and demand study for northeastern Illinois. We need your assistance in evalu~ting the enclosed summary Plan of Study and initial water demand projections. The Plan of Study outline discusses the major topics of evaluation to be covered in the study. The entire study will be completed by March 1980. An initial evaluation of regional water demands for 1980 thru 2020 is presented in the Table of Water Demands. The methods utilized to make these projections are discussed in the footnotes given at the end of the Table. V I \Jo Cl I ..... ,.J Your careful review of these projections, especially as they apoly ~ to your community, is essential. We have found that in some cases the forecasting techniques utilized are not accurate and do not allow correlation with historical data. In other cases, insufficient historical water use data (see Footnote$) limit the accuracy of the projections. We are continuing to review our forecasting techniques and hope to improve their accuracy. Your assistance will help make our efforts successful. The purpose of these projections is to compare water~demands with available water resources to identify those areas that may have a long-term water supply deficiency and require an allocation of Lake Michigan water. The consulting firm of Keifer Engineering, Inc. has been retained by the Department for the study. Contact persons for information concerning the study and recommendations are: Kenneth Brewster, Program Manager, or Daniel Injerd, \'Iatel~ Resour'ce Specialist Division of Water Resources 300 ilorth State, Room 1010 Chicago. Illinois 60610 (312) 793-3123 t David Westfall, Project Director, or Gregory Parker, Project Coordinator ~eifer Engineering, Inc. 20 N. Wacker Drive Chicago, Illinois 60606 (312) 368-7900 r"W::-""'" D. No water use record was available. The highest available use for the 1970-78 period was used as an estimate. E. An average of water use from available records from 1970 to 1978 was used to estimate past water use. F. In accordance to the Illinois Department of Transportation, Division of Water Resources pol icies, it was assumed that no corrmunity \'iould have an unaccounted~for consumption in excess of 12 percent of the total demand commencing in 1981. The source of the historic record for unaccounted-for consump- tion was the Ill.inois Department of Transportation, ~ivision of Water Resources. G. Oemand forecasts for the communities in the Elmhurst - Villa Park - Lombard Water Commission are those given in the March 1979 Phase I report for the Commission by Alvord, Burdick and Howson Engineers. H. The 1970 and 1974 water use for Illinois Municipal Water Company and Northfield Woods in ~orthfield (51) Township is included in Glenvie\v's past \'Jater use. //~> (101ES ON \.lATER DD/1AND FOREC,l\STS General The source of the historic data shown was the Illinois Department of Transportation, Division of Water Resources for all those communities c~r- rently having an allocation of Lake (/1ichigan \'Iater, and the III illois State !fiater SUr'le.,! for all other communities. Historic industrial demands by township were obtained from the Illinois State Water Survey. Future increases in industrial demands are included in the community forecasts. Population data used in the forecasts were computed by rev151ng the August 1976 data prepared by the ~lortheastern Illinois Planning Commission to agree with the total six-county'population figures prepared by the Illinois Bureau or the Budget in 1977. The demand forecasts were made utilizing the followina formula which '.'/as develooed by the Illinois State ':!ater Survey in 1977. ~ ':-.-'-E(~/PJ\ Q = i~a P ~here: Q is the water demand in M.G.D. a, Ct and j3 a:re constants determined by regression analysis for each of the six counties. P is the population forecast for each year. is the industrial employment forecast for each year as taken from the Northeastern Il.linois Planning Commission's August 1976 forecasts. M is the ra~io of actual historic pumpage (for two or mor~ years) to the water demand computed by the formula with M : 1.0. Footnotes A. 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M <q'" to.., ...t) - - ....0 OOOOOOOOOOCOCOOOQOOOOOOOOOOOOOOCOCOOOOOOOOOO :;: c: ~ 0-. c-. 0-- 0... 0 0 coo 0 - -.. _ ('".~ ('".J r'j C"'J ('"l ~ T'"'1l""'l ~ ~ ~ 1..; ~'-; \.i~ li") "00 ""iJ ...., r-.... r--... r-.... f".... r-.... !"-. =:; (lo., : ~~~~~~~~~~~~~~L1~'n~~~~~~~~~~~~~~~~~~~~~~~~~~~ F/~.:~" PLAN OF STUDY EXECUTIVE SUMMARY Collection of Data and Review of Available Reports In conjunction with this water supply planning study, pertinent reports and data have been collected for review. Of special importance are reports prepared subsequent to 1974. Most data utilized in the preparation of the 1977 Final Order and Allocation of Water from Lake Michigan dated from 1974 and before. Water use records for 1950, 1960, 1970, 1977 and 1978 were collected for communities within the six county Northeastern Illinois Planning Area and added to previously collected 1974 water use records. Records of 1974-1978 uses for storm water runoff, navigational level maintenance, lockage, leakage and discretionary diversion in the Chicago Sanitary and Ship Canal have been gathered. Several reports prepared since 1974 have been reviewed. Of primary importance are the Phase I Lake Michigan water supply planning reports pre- pared for communities in Dupage and Northwestern Cook Counties in 1979. Estimute of Future Water Demands An estimate of future l'later demands I'lithin the six-county Planning Area and demand projections for each municipality within a given county have been prepared and are shown in the attached Table, Regional Water Demands. The methodology and sources of data used in these projections were summarized in the notes attached to the end of the table. The water demands shown in the attached Table will be used in a compar- ison of local '{later resm,rces available to each community, Those communities whose long-range water supply needs could feasibly be met with water from Lake Michigan will be selected for a more detailed evaluation in the contin- uing work program. Future study activities on water supply demands include: 1 /~.'r::'~"",,~ ,.A""'''~, :- /:~ ~~'::~,"j:.::t~:~ a. The evaluation of review comnents received relative to the attached v/ater demand projections. b. The relationship of 't/ater demands to commercial development as \'/ell as population and manufacturing emplOyment. c. The evaluation of the possible land uses in each community to compute water demand according to the current zoning. d. A study of the effects due to the incorporation of water con- servation specifically related to water-saving plumbing fix- tures in all new growth areas in the projection of future vIa ter demand. e. The incorporation of specific plans for development as sub- mitted by various communities to compute short-term projections. Sha 110\'/ Aqu i fer In the past, 1n certain areas the shallow aquifer has been an under- utilized resource. In other areas, the use is greater than local recharge. Yields from shallow wells are typically less th~n those from deep sandstone wells. In addition, water quality parameters such as hardness, iron and chloride concentrations are significantly higher in shallow wells than in the deep sandstone wells. Consequently, many communities have drilled wells into the deep aquifer and ignored the potential of the sharlo0. aquifer sys- tem. Recent studies have shown that the potential of the shallow aquifer can be developed through the use of drilling and exploration programs. The com- munities of Wood Dale and Libertyville have successfully developed 300 gallons per minute (gpm) well yields during participation in the Illinois Department of Transportation (lOOT) Shallow Aquifer Demonstration Program. The III inois State \-Iater Survey (ISUS) reevaluated the shallovl aquifer in 1977. According to the results of its work, the potential yield of the sand and gravel and dolomite formations are 45 mgd greater than had ore- viously been considered. Current water table mappings of DuPage and southern r, ,~. /..,,,,,"- /~~> Cook Counties show that water use in one township is related to use levels in adjoining townships. The evaluation of the potential of the shallow aquifer, based on its use within sub-regional areas composed of several townships, may more accurately predict the future availability of the shallow aquifer than the township-by-township potential yield study used in the past. Recent reports indicate that water quality is gradually decreas- ing due to manls surface activities. Chloride concentrations have gradually increased, Proposed future studies include the evaluation of: a. Shallow aquifer water levels to determine the extent'of pump- ing influence on adjacent areas. b. Water quality trends. c. Planning policies related to shallow aquifer use. Deep Aqu ifer Deep aquifer use has continued to increase since 1974. The 1977 allo- cation of Lake Michigan water was based in part. on the establishment or a regional sustained yield use pattern. To do this, use in the six county planning area will have to be reduced by 95 mgd from 155 mgd to 60 mgd dur- ing the 1980-2020 planning period. Currently, industrial pumpage of the deep aquifer comprises 29 mgd. four mgd is pumped by institutions, small subdivisions, and for irrigation purposes. None of these individual users were applicants for Lake Michigan water in the past. Planning policies for future allocations must deal with this uncontrollable use. Since the conclusion of the water allocation proceedings in 1977, the U.S.E.P,A. interim drinking water standards have been imposed. Concentra- tions of barium and radionucl ides found in many local deep aquifer supplies currently exceed the interim standards. This may necessitate the construc- tion of costly l'/ater treatrnent facilities even where deep aquifer supplies 1 -' ./'"". - - . ...-:-~ -" -.. . . , . ./'"..'" .:<:";;).':~~~~~~ could only be used for a limited time, Project studies will detail EPA standards, treatment requirements, costs, and outline the administrative procedures and time schedules mandated for compliance. Decline in the deep aquifer water table Slnce 1975 will be studied. Project planning activities will also review the results of previous ground- water depletion studies to extend their projections of groundvlater levels to the year 2020, the end of the planning period. In this way, the safe yield . of the deep aquifer can be estimated. Some wells in the deep aquifer penetrate into the Mt. Simon formation. This formation is characterized by dissolved solids and chlorides concentra- tion high enough to be termed brackish. But some wells are currently draw- ing relatively good quality water from the upper zones of this formation. \'Jater quality data taken from this source Ivi11 be evaluated to determine if its use c~n contin~e in the future. Lake Michiqan Water Use The 1967 United States Supreme Court Decree ln the case of Wisconsin vs. III inois enjoined the State of Illinois from diverting wa~er from Lake ~iichigan in excess of 3,200 cubic feet per second (cfs). Lake t.iichigan Ivater use within the state cannot exceed 3,200 cfs by more than 10 percent in any one year. A five year moving average of 3,200 cfs must not be exceeded. Users divert water from Lake Michigan by not returning sewage effluent to the Lake. In 1970, 52 percent or diverted Lake Michigan use was municipal water supply. By 1978, this percentage had increased to 53.5 percent of the total diversion. Storm water runoff diverted from Lake Michigan through the Chicago Sanitary and Ship CGnal, lockage, leakage, navigational level maintenance and discretionary flows to maintain water quality in the waterway system comprise the remaining uses of the total diversion. These uses were termed "~ .,0'1.'.'''':''', ~'''''''';f~" Category II uses in the 1977 LMO-77 report and, ln general, were glven a lower priority than domestic uses. In future studies Category II water use requirements will be analyzed by computer modelling techniques. These computer models will be used to analyze the amount of diversion water needed to maintain navigational depths in the 'tlatel'ways and the amount needed to satisfy i'/ater quality requirements. Lockage and leakage 'ilill be correlated to Lake levels to evaluate future demands. The availability of lake r~ichigan water will be evaluated under a series of CASE STUDIES. These CASE STUDIES will include an evaluation of naviga- tional makeup water and discretionary diversion needed to meet current water quality standards with Phase I of the Tunnel and Reservoir Plan (TARP) in place, together with the existing instream aeration facilities. Other CASE STUDIES will include evaluations with the complete TARP on-line together with expanded aeration and other appropriate pollution control facilities in place. The construction of the project elements described in each CASE STUDY will make increasing amounts of water available for new users. In addition, a change in the diversion accounting procedure may allow an additional 180 cfs to be reallocated_ This change ','lOuld allow storm runoff,tp be considered constant at 550 cfs for the Lake Diversion Accounting. Other Surface Waters The study includes an overview of the future supply potential of the Fox and Kankakee Rivers. The City of Elgin has begun the design or water treatment facilities for a combined use of the deep aquifer and the Fox River. No other conmunities have selected the Fox Rlver as an alternative supply source even though it has the potential to supply the long-range demands for most communities in eastern Kane and southeastern McHenry Counties. ~ater quality and socia-economic considerations are to be evalu- .., -' c,/""",~,.,., ated to establish realistic planning policies regarding the Fox River. The Kankakee River has been successfully used by Kankakee, Bradley and Bourbonnais. It has the potential to supply many areas of projected ground- water deficits, notably Joliet. Wastewater Reuse In this study, an investigation will be made of the potential treated waste',vater. International and national experien-ce vlill be gated as well as regional usage such as golf course irrigation. use of , ..... lnVeSl-l- Planning policies I'lill be suggested concerning 'tlastewaterreuse. Alternative Water Suoply System Development This part of the "'Iork vlill be concerned "'Iith balancing supply with demand. The aim will be to ultimately reduce the usage of the deep aquifer to its sustained yield, use of the shallow aquifer where possible (water quality, availability, and recharge considerations will influence its usage), consider the use of the Fox and Kankakee Rivers, and finally.determine what demands ~an be cost effectively supplied by Lake Michigan water while meet- iny the other requirements and still staying within the 3,200 cfs ceiling, In oerforming this work, a series of alternative supply systems will be developed under the framework of each of the planning CASE STUDIES men- tioned earlier. This work should include staging of each alternative in order to give each system the flexibility to switch from one CASE STUDY to J.-' anOl-ner. The aiternative systems w~ll be developed in concert with a public participation program to obtain feedback on acceptability. The social ac- ceptability and economies of changing from existing usage to new sources are high priority considerations. It is also important to coordinate these studies with the current contractual studies on regional systems in eastern Dupage and northwest Cook Counties. ,;; .... .",,,~. ....."""~., This work will give careful consideration to use of existing facilities such as currently operating wells, treatment plants, storage reservoirs and distribution systems. Many communities have spent large sums of money devel- oping their existing systems and these would be utilized to the fullest ex- tent possible while still considering the needs to balance groundwater and surface water supplies with demands. Alternatives bringing Lake Michigan vlater into areas novl served by groundwater will carefully consider the op- timal location of connection points so that existing systems can be cost effectively utilized. The economic analysis of water supply alternatives will consider methods of system financing including federal assistance and the expected final cost of water. In alternatives utilizing grounrlwater, the costs of treating that source to meet Illinois Pollution Control Board Standards would be included. In addition, costs of central softening of groundwater versus the use of home water softeners will be investigated.. The work currently underway for the eastern DuPage County communities indicates that central softening leads to lesser unit costs for the consumer. The massive data handling required to develop Regional I'later Supply Alternatives for the metropolitan area of more than 7,000,000 people (in 1975), and projected by I80B to be over 8,400,000 in the year 2020, and v/ith numerous alternative sources of vlater, ~\jould be difficul,t to be per- formed manually, Consequently, we have developed and refined a number of digital computer programs to assist in this analysis of alternative water supply systems, With the aid of these computer programs, a large number of vlater supply alternatives can be analyzed. As discussed earlier, one of the primary ob- jectives of this study will be to determine the boundary line where it would be cost effective to supply Lake Michigan water, considering the various restraints imposed, such as: Lake diversion limitations, sustained recharge limits of the deep aquifer, areal distribution of the shallow groundwater resources, use of the surface streams, etc. While performing an analysis of the various alternatives for cost effectiveness, public participation feed- . -'..:.~( ~~<~~~::~ . ~'~ ~', - back will enable local institutional constraints to be brought into play to allO\'1 a realistic recommendation to be made for future allocations of Lake Michigan water, In addition, the construction, operation and maintenance and debt service cost information shall be translated to unit costs of 'dater delivered to neVi usel' communities and an overvie'rl of unit costs of delivery to individual consumers will be given. After evaluation of alternative systems and local institutional con- straints upon information received from t~e Department and potential users, a recommendiltion of the most feasible allocation of Lake ~lichigan \vater for the period from 1981 through 2020 would be made for each of the CASE STUDIES. Recommended Chanqes to Program and Rules and Regulations Based on the information generated during the work program, the Depart- ment's "Program and Rules and Regulations for the Allocation of \'Jater from Lake r'1ichigan" will be revie~'led. A critical problem facing many communities' in the six-county area is the need to know when, if ever, they might expect to receive Lake Michigan water, They must clan for the financing of distribution systems (determine bonding needs). They must also make arrangements with othe,r communities by setting up i'later commissions or ventures to help them jointly plan for Lake ~'/ater. Consequently, the allocation pr'ogram developed in this \'iork should provide a time schedule of \'Ihen and how much 'rlater each community can expect to receive so that they can plan ahead. The Departmentls adoption of Revised Planning Policies, Lake Michigan Water Allocation Decision Rules and the development of a staged Lake Michigan Water Supply Plan will reduce the uncertainty presently conf~onting North- eastern Illinois communities. The recognition of political and institutional realities are essential to the development of a successful program and rules. An evaluation of the usefulness of making long-term allocations will be 3 made to assist conwunities in obtaining long-term financial commitments. The water demands of many established communities are unlikely to change for an extended period of time. In many cases, a change in water use only sig- nifies a short-term shift in population density, It is not realistic to reduce such users for a short period, if their allocation would have to be increased again in a short time. Information on industrial water use and pernlittees' water conservation programs and water saving results will be evaluated and contrasted ~ith other regional programs. Recomnendations for changes to the Department's water conservation rules 'IIill be made follO\ving this evaluation. Water Allocation Program Based on the results of the work undertaken in this study, recommenda- tions for changes in the Rules and Regulations of the Departmentls Lake Michigan Water Allocation Program will be made. Policies relating to ground- \'Jater use, \'/ater qua 1 ity and \'Jaten/ay uses It/i 11 be refined under each of the planning CASE STUDIES to be consistent with recommended water supply plans. 9 ,,~"~ -2- ,~" We are trying to make this study a true State/local effort. Receipt of your comments on the Plan of Study and Water Demand Projections within two weeks, will help us keep this study on schedule. Thank you for your assistance. \;Vie \~ II 1 - \e\ '1J(;. Fh tt6iro\~ Chief BUREAU OF RESOURCE MANAGEMENT - ,