Water Supply Conditions - Metropolitan Water District of Southern ...

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Storage Balance. Emergency ... eet. Lake Shasta Reservoir Storage. 2015-2016. 2016-2017. 0. 5. 10. 15. 20. 25. 30. 35. 4
Water Supply Conditions Report

Water Supply Conditions Report

Highlights  Forecast inflow to Lake Powell upgraded to 122%.

As of: 02/05/2017

As of: 02/05/2017

 Northern Sierra snowpack is 150% of normal. Statewide snowpack is 171% of normal for this day.

2016 Colorado River Upper Colorado River Basin

155%

865,000 AF 69% of full CRA

2017 SWP Allocation 1,146,900 AF 60% of Table A

 Diamond Valley Lake has more than 600 TAF in storage

Does not include storage withdrawals or exchanges

Statewide

173%

3.5 MAF

30 WY Avg

20

135%

10 0

WY

45

Diamond Valley Lake Storage Capacity: 810 TAF

16.4"

850

288 TAF more in storage than this time last year

30

Southern Sierra Snowpack

34.4 in. 198% of normal

40 35

128%

189%

141% 168%

46% 46%

163%

30

650

25

550 450

Previous Record Low: 342 TAF (06/03/2009)

350

10

147% 26.1 MAF

AZ

45

5

MWD Storage Reserve Levels

4.5

Normal

1.18 MAF more in storage than this time last year

MEAD 10.57 MAF 1086.7 FT

2

2.4

1.8 1.1

Turn page for more CRA Data

Flip Over for SWP Data

198%

5 STA: 45.6"

SAN LUIS TOT: 1.76 MAF SWP: 1030 TAF 18

3.5

2.7

1.7 1.0

2.3 1.2

0.9

1.3

6

3.0

WY Avg

Calendar Year

203%

0

2.0

2015-2016

CASTAIC 278 TAF DVL 602 TAF

2016-2017

This report is produced by the Water Resource Management and contains information from various federal, state, and local agencies. The Metropolitan Water District of Southern California cannot guarantee the accuracy or completeness of this information. Readers should refer to the relevant state, federal, and local agencies for additional or for the most up to date water supply information. Reservoirs, lakes, aqueducts, maps, watersheds, and all other visual representations on this report are not drawn to scale. http://www.mwdh2o.com/WSCR This report is best printed double sided on legal size paper (8.5" x 14") and folded in quarters

167%

0

SD: 9.0"

1.5

Record Low: 587 TAF (08/01/1977)

WY Avg

6

810 TAF

86%

18 12

LA: 14.6"

2.5

0.5

0

Snow Water Equivalent (% of Normal) No Data Snowpack Less than 50 % of Normal 50 - 80 81 - 120 121 - 150 Greater than 150

0

Southern Sierra

12

1.0

40% 40%

86%

325 TAF

4.0

3

1

2016-2017

Lake Shasta Reservoir Storage

4

211%

15

Capacity: 4.55 MAF Estimated Storage Balance Emergency Storage

NM

WY Avg

30

Million Acre-Feet

157%

CO

150%

15

159% 122%

8 STA: 57.7"

OROVILLE 2.80 MAF 2.04 MAF

20

2015-2016

173%

Northern Sierra

0

0

250

Million Acre-Feet

POWELL 11.3 MAF

Thousand Acre-Feet

24.3 MAF

750 Water Content (in)

UT

158%

205%

15

79%

74% Capacity Average EOM

WY Avg

%%

% Normal WY to Date

Rainfall to Date (in) Flip Over for CRA Data

%

Current Storage (% Capacity)

Turn page for more SWP Data

24

262%

30

20 15 10

16 12 8

5

4

0

0

2015-2016

2016-2017

420%

138% 86%

1.17 MAF more in storage than this time last year

Capacity: 3.5 MAF 3.8

Average Monthly Precip

45.6 in. Water Year to Date

336%

24

16 12

4

139% 305% 60%

39%

0

1.8 1.3

Average Monthly Precip

Record Low: 882 TAF (9/7/1977)

0.8

Other SWP Contract Supplies for 2017 (AF) 2015-2016

2016-2017

Flood Regulation Boundaries

San Luis Reservoir Storage

Transfer Supplies Article 21 (Surplus) Pool A/B (Purchased) Carryover Supplies

513 TAF more in SWP storage than this time last year

Capacity: 2.04 MAF

TBD TBD TBD 210,000

Sacramento River Runoff

Total Last Year

0.6 0.3

SWP Last Year

0.0 Total Current

SWP Current

20

40

440

20

15 10

420

0

2016-2017

Lake Powell Storage 20

Normal

75 TAF less in storage than this time last year

18

2.90 2.85 2.80 2.75

J FMAM J J A S O N D

Date of Forecast

16 14 12

Date of Forecast 10

Lake Mead Shortage/Surplus Outlook

8

Shortage Surplus

2017 0% 0%

2018 48% 0%

2019 60% 5%

2020 60% 8%

2021 55% 14%

Likelihood based on results from the August 2016 USBR/Colorado River Simulation System model run

Powell Unregulated Inflow 18

10 8 5 3

0

0

WY 2017 122% of normal (Forecast) Long Term Average

13

5

Water Year

4

Capacity: 24.3 MAF

2.95

15

Long Term Average

6

2015-2016

3.00

J FMAM J J A S O N D

Million Acre-Feet

0.9

25

460

400

30

1.2

Million Acre-Feet

Million Acre-Feet

35

1.5

WY 2017 121% of normal (Forecast)

8

Actual Precip to Date

IID/CVWD (QSA Priority 3a)

PVID/Yuma (QSA Priority 1 & 2)

2.1 1.8

10

0

2017 Colorado River Ag Use

Actual Precip to Date

12

2

Average Monthly Precip

Thousand Acre-Feet

Precipitation (in)

2.3

66%

Actual Precip to Date

5 Station Index Precip

8

78%

Above QSA Threshold

2.8

16

0

20 3.3

177%

4

2

15.8 in 155% of normal

14

6

56%

As of: 02/05/2017

18

10%

Normal

Oroville Reservoir Storage

Million Acre-Feet

224% Precipitation (in)

Precipitation (in)

25

16.4 in. Water Year to Date

8

20

As of: 02/05/2017

Upper Colorado Basin Snowpack

Upper Colorado Basin Precip

Water Content (in)

57.7 in. Water Year to Date

Million Acre-Feet

35

8 Station Index Precip

Lake Mead Storage

Capacity: 26.1 MAF 18

16 Million Acre-Feet

29.1 in. 150% of normal

Million Acre-Feet

Northern Sierra Snowpack

Water Content (in)

Colorado ColoradoRiver River Resources Resources

State Water Project Resources

As of: 02/05/2017

14

12

10

8 Water Year

Surplus

Shortage

230 TAF more in storage than this time last year