19900918Water Quality Certificate.pdf

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LEIGHTON ANC SHE~L.:NE
SUITE IO~ .-,_ FIL.:-~', r j' f 0- - ..,;1010 MAt;SACHUS~S ..VENUE. ~.W. .. r J NE SECRi:-~
WASi-IINGTON. C.C. 2000HS402:;'O SfP /8 pt, - ii".202-898-1122 r¡ 2: "li
TELECOPIER: 202-998-0117 ;':'~9EF?41 ':. _., v .
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Septe ërJ~8, 1990
Lois D. Cashell, Secretary
Federal Energy Regulatory Commission
825 North Capitol Street, NE
Washington, DC 20426 .
Re: Project No. 2899-017 (Milner)
Dear Ms. Cashell:
On behalf of Idaho Power Company and supplementing
its pending application to amend t~e above-identified
license, we file herewith 15 duplicate copies of the
water quality certification issued ~ay 8, 1990, by the
State Of Idaho, Department of Health and Welfare,
Division of Environmental Quality.
Yours very truly,
LEIGHTON AND SHERLINEd¿:~
by Lee S. Sherline
Enclosures
cc (by hand):
Kathleen Sherman
FERC, Room 1068
810 First Street, NE
washington, DC
."..Srare of ~o IDEP,\R~NT OF HE.-\LTH .-\"-D \VE. :\R.:
Divis' n of Erlvironrnenral Q~e;ìrv- ~~ ~-
CSClL O. ANCFlUS.' ~
"AICHARC P. OONO'/ANOi
45 W. Sti St
BOlte. Jdana 83
Kay 8, 1990
Hr. Oavid W. MeyersHaaaer.Environmental A£fairs
Ida. Power Company
Box 70
Boise, Idaho 83707
REFERECE TO: FERC l?rojec't No. 2899-003, Amended Application,'lin
Falls & North Side Canal Companies, Milner Dam,
Snake llve::, Twin Falls & Jerome Counties Idaho
Dear M.. Meyers:
We have reviewed the "Exhibit E" portion of the Federal Energy
Reguatory Commssion amended application for license for the
Milner Rycioelectric Project in T"tlin Falls and Jerome Counties,Idaho and submit the followinq conèi tions :
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-1 )The construction and operation of the hydropower
facilities shaii be conduc~ed to insure compliance withIdaho Water QuaIl ty Standards and Wastewater Treatment
Reguirements .
...../
2) Pei:ent mcnitorinq anc: recordna eqipment shaii 1:e
installed in the Snake Ri var bypass reach be law the dampowerhouse and below the ~ajor power plant tailrace todocument compliance with ,:amperature and dissolved oxyqenstandards.
3) Use of chemcals to demoss the intake canl for the main
powerhouse must be controlled to insure that no adver~eimpacts on water quality in the Snake River occurs.
4) Spoils generated as a res~it of the construction should
be disposed of away from the river and reservoir to
assure water quality pro,:ac~ion.
5) Fuels and chemicals utilized in the construction shall
be stored away from the =iver and reservoir to assure
they do not enter the wata: in the case of spillage.
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Mr. Da.vid W. Meyers
Maya, 1990Paqe Tw
The main~enance of 200 cfs flow thuqh the powerhouse a.t the dashould. ~esul t in miniml impacts on water quality in the bypassrea.ch. As lonq a.s water quality imacts are minized duinqconstruction with consideration for post constrction imacts an
the above conditions met, we ce~ify under Section 401 tht the
project will comply with applicable requirements of Sections 301,
302, 303, 306 and. 307 of PL 92-500 an will not violate Ida WaterGuili ~v Standards and Wastewater.
Th1s certification does not imply approval of the activity by othra.gencies of the State of Idaho.
~cereiyi
JfNa~AcbAdnistrator
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cc : Lois D. Casheii i PERC
Al Huey/Susan Hartin, DEQ
Michael XCsters, CEQ-'lO
EPA-IOO