Socorro/Sierra Socorro/Sierra Regional Water Plan Regional Water - - PowerPoint PPT Presentation

Socorro/Sierra Socorro/Sierra Regional Water Plan Regional Water Plan

Presentation to Presentation to The Interstate Stream The Interstate Stream Commission Commission

Presented by Presented by Socorro Socorro-

• Sierra Water Planning

Sierra Water Planning Steering Committee and Steering Committee and Daniel B. Stephens & Associates, Daniel B. Stephens & Associates, Inc. Inc. January 2004 January 2004

Regional Water Planning Area Regional Water Planning Area

# S # S # S

.

• ,

I-25

Rio Grande

Socorro Truth or Consequences Magdalena Bosque del Apache San Acacia Bernardo

Caballo Reservoir Elephant Butte Reservoir

Rio Salado Rio Puerco

San Marcial

10 20 30 Miles

N

SSPA Surface Water Study SSPA Surface Water Study

• Studied Rio Grande from Cochiti

Studied Rio Grande from Cochiti Reservoir to Elephant Butte (under Reservoir to Elephant Butte (under contract by the ISC and U.S. Army contract by the ISC and U.S. Army Corps of Engineers) Corps of Engineers)

• Conducted statistical analysis of

Conducted statistical analysis of streamflow streamflow

• Evaluated Rio Grande Compact

Evaluated Rio Grande Compact

• bligations
• bligations
• Predicted a net mean modeled deficit of

Predicted a net mean modeled deficit of 77,900 acre 77,900 acre-

• feet per year

feet per year

Population Projected to 2040 Population Projected to 2040

6409 7189 8454 10,143 11,179 12,273 13,813 15,582 17,147 10,141 11,073 11,932 13,087 14,134 14,773 10168 9763 12566 15,451 18,243 21,373 24,649 27,713 30,481 15,447 18,124 21,035 23,968 26,572 28,741

5000 10000 15000 20000 25000 30000 35000 1960 1970 1980 1990 2000 2010 2020 2030 2040 Year Population

Sierra Co., High Series Sierra Co., Low Series Socorro Co., High Series Socorro Co., Low Series

Historical Trend Projected Growth

2000 Water Use 2000 Water Use

With Elephant Butte and Caballo Reservoir Evaporation Total Consumptive Use: 467,759 ac-ft

Industrial <0.1% Mining <0.1% Reservoir Evaporation 48.5% Commercial 0.3% Domestic/Public Supply 0.6% Irrigated Agriculture 16.6% Livestock 0.4% Riparian Evapotranspiration 33.7%

2000 Water Use 2000 Water Use

Without Elephant Butte and Caballo Reservoir Evaporation Total Consumptive Use: 248,434 ac-ft

Reservoir Evaporation 3.0% Mining <0.1% Livestock 0.7% Commercial 0.5% Irrigated Agriculture 31.2% Domestic/Public Supply 1.0% Industrial <0.1% Riparian Evapotranspiration 63.4%

Rio Grande Rio Grande Basin Basin Average Average Annual Water Annual Water Budget in Budget in Socorro Socorro-

• Sierra

Sierra Planning Planning Region Region

6.3 3.1 10.4 3.2

Rio Salado

25.6 16.9 16.5 38.5

Rio Puerco IRR IRR PS + DO CO + MI + IN Groundwater inflow LS

113 164

RPET below San Acacia RE Elephant Butte

245 245 Mean Mean Middle Middle Rio Rio Grande Grande supply supply

6.4 Ungaged tributaries

(east side)

4.6 Ungaged tributaries

(east side)

17.1

Ungaged tributaries (west side)

44.8 RPET 7.8

OWCU

27.9

OWCU

6.5 Effective precipitation

224.4 224.4

15.5 Effective precipitation

Average Modeled Obligation Deficit

• 77.9

Valencia-Socorro County Line Rio Grande @ San Acacia Rio Grande @ San Acacia Rio Grande @ Elephant Butte

CO Commercial MI Mining PS Public water supply DO Self-supplied domestic RE Reservoir evaporation RPET Riparian evapotranspiration IRR Irrigated agriculture LS Livestock OWCU Open water consumptive use IN Industrial

DEPLETIONS DEPLETIONS DEPLETIONS DEPLETIONS INFLOW INFLOW INFLOW INFLOW

Water Plan Alternatives Water Plan Alternatives

• Improve irrigation conveyance

Improve irrigation conveyance efficiency (line canals) efficiency (line canals)

• Improve on

Improve on-

• farm efficiency (drip

farm efficiency (drip irrigation, laser irrigation, laser-

• level)

level)

• Control vegetation along canals and

Control vegetation along canals and drains drains

• Control non

Control non-

• reservoir surface water

reservoir surface water evaporation evaporation

Water Plan Alternatives Water Plan Alternatives

• Require sustainable water supply for

Require sustainable water supply for new developments new developments

• Encourage retention of water rights

Encourage retention of water rights within the region within the region

• Remove exotic vegetation

Remove exotic vegetation

• Manage watersheds to improve yield

Manage watersheds to improve yield

Water Plan Alternatives Water Plan Alternatives

• Develop economic potential for non

Develop economic potential for non-

• native species

native species

• Make water rights a non

Make water rights a non-

• condemnable

condemnable resource resource

• Coordinate reservoir releases with

Coordinate reservoir releases with demand demand

• Identify and protect areas vulnerable to

Identify and protect areas vulnerable to contamination contamination

Water Plan Alternatives Water Plan Alternatives

• Implement water conservation programs

Implement water conservation programs

• Ensure that the region is represented in

Ensure that the region is represented in water management decisions that affect water management decisions that affect Rio Grande reservoirs (i.e., Elephant Rio Grande reservoirs (i.e., Elephant Butte) Butte)

Regional Support for Plan Regional Support for Plan

• Resolutions in support of the plan

Resolutions in support of the plan passed by: passed by:

– – City of Elephant Butte City of Elephant Butte – – City of Socorro City of Socorro – – City of Truth or Consequences City of Truth or Consequences – – La Joya Acequia La Joya Acequia – – Socorro Soil and Water Conservation Socorro Soil and Water Conservation District District – – Village of Williamsburg Village of Williamsburg – – Socorro County Socorro County