Idaho Water Supply Committee Meeting

Southwest Idaho ReportJanuary 12, 2017

Arrowrock Dam – February, 2009

48% of Boise System Capacity

60% of Payette System Capacity

45% of Boise System Capacity

52% of Payette System Capacity

1997 1983 1996 1981 1984 1998 1999 1979 2012 1994 1987 1982 2000 2007 2011 2010 2015 2013 2009 1986 1985 2017 2006 2001 2016 1980 2004 1990 2014 2008 1991 2005 2002 2003 1988 1978 1989 1992 1995 1993

....lo.

0 0 0 0

0 0

Volume (Acre Feet)

N (.v ~ 01 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

c.~ Q --~ .i~ c~

I

~

)~

~

0) -...J CX) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

c... Q) ::::s C: Q)

'< ...I,

DJ 0 m ;·

~ (I) o3 :::c cc (I) CD en II (I)

~< _o, 0 0 -· 0.., CC/) Q,) '< ? en ;:::i:,,.

..__... (I)

3 0 Q) ..,

~ < (I) ..,

2017

Boise River Reservoir System Storage (capacity= 949,600 ac-ft)

2016 2014 2013 30-yr AvQ ,I

::: :::: · .............................................................................................................................. !............................................................. I .................................................................... 1 ....................... .

750,000

~ 650,000 . j ~ 600,000 ...................................................................................................................................... .

:;: , ......................... , .......................... ,. j 1 .. .... 550,000 1··

I _ .. ...-·· · ····}···· .. ,,..·· ..................................... ··························t·························1··················

350,000

300,000

Oct 1 Nov 1 Dec 1 Jan 1 Feb 1 Mar 1 Apr 1 May 1 Jun 1 Jul 1 Aug 1 Sep 1

RECLAMATION

Boise Basin RunoffJanuary-July

0200,000400,000600,000800,000

1,000,0001,200,0001,400,0001,600,0001,800,000

30-yrAvg.

2008 2015 2016 2017(fcst.)

1,592,0001,502,000 1,549,000

1,714,0001,560,000

Acr

e-Fe

et 94% of avg.98% of avg.

108% of avg.

Chart1

30-yr Avg.

2008

2015

2016

2017 (fcst.)

East

Acre-Feet

1592000

1502000

1549000

1714000

1560000

Sheet1

30-yr Avg.2008201520162017 (fcst.)

East1,592,0001,502,0001,549,0001,714,0001,560,000

Payette Basin

"-

~ ., -- .......... ___ _

' • . • . • .

t ~~ ... 'ii • ..

' .., .

Payette Basin Runoff January – July

0

200,000

400,000

600,000

800,000

1,000,000

1,200,000

1,400,000

1,600,000

1,800,000

2,000,000

30-yr Avg 2014 2015 2016 2017 (fcst.)

1,849,0001,812,000

1,138,000

1,795,0001,849,000

Acre

-Fee

t

97% of avg. 98% of avg.

84% of avg.

Chart1

30-yr Avg

2014

2015

2016

2017 (fcst.)

East

Acre-Feet

1849000

1812000

1138000

1795000

1849000

Sheet1

30-yr Avg2014201520162017 (fcst.)

East18490001,812,0001,138,0001,795,0001849000

2009

1,761,000

1996 1997 1998 1999 1976 1981 2013 2000 2012 2007 1984 1971 1982 1983 1991 2015 1994 1985 1987 2009 2011 1979 2005 1990 1986 1977 2006 2010 2017 1975 2008 1992 1972 2014 1973 2001 2004 2003 1969 2016 1968 1989 1988 1974 1995 1993 2002 1970 1978 1980

....lr,.

0 0 0 0

0 0

Volume (Acre Feet)

N

~

0) -...J CX) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

,.-....

c.... Q) ::::s C: m '< ...ai.

"tJ m '< (I) ... ... (I)

!l) :::c < -· ~ < !l) (I) cc .., CD II :::tJ

.J::. (I) -.... en _o, (I)

~< oo !l) -· ..::, ..,

en '< en ... (I)

3 0 m .., '< 0 < (I) ..,

2017

Oct 1 Nov 1 Dec 1 Jan 1 Feb 1

Cascade Reservoir Storage (capacity= 646,460 af)

2016 2014 2013

Mar 1 Apr 1 May 1

30-yr avg. I

Jun 1 Jul 1 Aug 1 Sep 1

2017

Deadwood Reservoir Storage (capacity= 154,000 ac-ft)

2016 2014 2013 30-yr Avg. I

60,000 ~_;.:........,.._L---,-...:;:_--,--L..--;.:.........,-1:........,.._:;:---.-_j_--.--~____t---.-....:;:.---,-_l_--.---,-......J~_:;::.......,...-1.---,-..:;....--,--L.,.......::~-1----.----.-----.-~ ::;::::::;:~ Oct 1 Nov 1 Dec 1 Jan 1 Feb 1 Mar 1 Apr 1 May 1 Jun 1 Jul 1 Aug 1 Sep 1

Owyhee River Basin

01 14,..201 I

D _____. V Phillips 4072/73000 6% Full

~ Unity 72 14f24970 29% Full

Q Beulah 11586f59212 20% Full

Warm Springs 12064i 169639 7% Full

NPOO 155 cfs THF 5 cfs -----~-- w' HCO I 14915 cfs PRH O 29 cfs

\_ PHL 17 cfs

UNY 6 cfs

l,IAB O 51 cf s

49 cfs

2 t.llSSIN G cfs SFl,10 15 cfs

PWOO 35 cfs

~ Bully Creek 5613123676 24% Full

Thief Valley 7427i 13307 56% Full

61 cfs

Snake River

l,IAL O 88 cf s

VA.LO 58 cfs

SNY I 7571 cfs

10226 cfs

OWY 13 cfs

ROI.IQ 267 cf s

SWAI 6535 cf s

Owyhee 804 7 lf? 15000 11% Full

1 o 1 / 11 .. 2 o 1 -1

LJ V Phillips 4350/73000 6% Full

~ Unit 646~124970 26% FLJII

Q Beulah 13497159212 23% Full

NPDO 426 cfs

PRHO 10 cf s

\_ PHL U cfs

urin g cfs

,....._,.

~ I.IADO 189 cfs

Warm Springs 9896116963.9 6% Full

.21.IISS ING els

SFl,10 36 cfs

~ HCD I 14208 cfs

PWDO 71 cfs

~ Bully Creek 5447123676 23% Full

Thief Valley 6104113307 46% Full

Snake River

VALO 63 cfs

SriJY I 78 15 cf s

395~2 cfs

!

OWY 21 cfs

RO l.10 555 cfs

SWAI 69 12 cf s

Owyhee 2215871715000 31% Full

700,000

650,000

600,000

550,000

500,000

2017 2016

Owyhee Reservoir Storage (capacity = 715,000 af)

2015 2014 2011 30-yr Avg. I

l- +-·l·-l- l- 1- ------ 1

........................... ........................ ......................... 1 ····················· !_--------_----,-- ,--,--,-

~ ::::::: ........................... ........................ . ~:: /::::-·J / .. ---· .. ' -- ' ' ] ·· ·• .. , ' ··••••••••••••••••••••••••• ••••••••••••••••••••••••• ~ / ' 1·,

300,000 ...... ···· ...... ··· ..• .. ----·····

········ ..... ; ..

250,000 .............................................................................. ..... --" ................................................................................................................................................................................................ .. ·~ .... .................. .

······•···· ::::::: ·-,", .......... ,,. ---·· ' '. y 100,000

l so.oo: ~-·-·-·-·-·-··===···-·-·-·-·-L-T-·-·-·-·~-·-·-···-·-·-_l__,_ ... i.... ~ ····- ·~-·-··r··-~·-·-·-·-·-·--.-l·-·-·-·-· ·-·~-·-·-·-·-·-·-,-J_-·-·-·-·r~·-·-·-·-·-·-·~---·-·-·-·lL-·-·-·-·-·-·-~·-·-·-·-·-·-1-._r··-·-·-·~-·-·-·-·-·-·-_l__,_·T·-·-·-~·-·-·-·-·-·-·_Lr ~~~ Oct 1 Nov 1 Dec 1 Jan 1 Feb 1 Mar 1 Apr 1 May 1 Jun 1 Jul 1 Aug 1 Sep 1

0

100,000

200,000

300,000

400,000

500,000

600,000

700,000

1984

1985

1983

2006

1981

2012

1996

1999

1987

1980

1997

1979

2007

1998

2000

1994

1986

1990

1982

2013

2001

1978

2011

2017

1991

2009

2008

1988

2010

2005

2003

2002

1992

1995

2015

2016

2014

1989

2004

1993

Volu

me

(Acr

e Fe

et)

January 1 Owyhee Reservoir Carryover(average = 299,000 ac-ft)

Jan.1 40-yr Avg.

Owyhee Basin RunoffJanuary -June

0

200,000

400,000

600,000

800,000

1,000,000

1,200,000

1,400,000

30-yrAvg.

2006 2011 2016 2017(fcst.)

653,000

1,265,0001,399,000

531,000763,000

Acr

e-Fe

et

194% of Avg.

116% of Avg.

214% of Avg.

Chart1

30-yr Avg.

2006

2011

2016

2017 (fcst.)

East

Acre-Feet

653000

1265000

1399000

531000

763000

Sheet1

30-yr Avg.2006201120162017 (fcst.)

East653,00012650001,399,000531,000763000

--..... ,-.

Idaho Water Supply Committee MeetingSlide Number 2Slide Number 3Slide Number 4Slide Number 5Slide Number 6Boise Basin Runoff�January-JulySlide Number 8Slide Number 9Payette Basin Runoff �January – JulySlide Number 11Slide Number 12Slide Number 13Slide Number 14Slide Number 15Slide Number 16Slide Number 17Slide Number 18Owyhee Basin Runoff�January -JuneSlide Number 20Slide Number 21Slide Number 22