Status of the Arkansas Water Plan

Update

Arkansas Natural Resources Commission

2

The Major Technical and Planning Elements of the Water Plan Update

Regional and Institutional Setting

Demand Forecast by Sector

Supply Availability

Identify Gaps between Available Resource and Demands

Management Practices/ Projects to Address Shortfalls between Demand and Supply

Water Needs will be forecasted to

the Year 2050

Final Plan Rulemaki

ngNov 2014

Water Resources Planning Regions

County Population Projections: Woods & Poole Scenario

5

Statewide Water Forecast – All Demand SectorsTotal statewide water use forecasted to increase 13%

Base Year 2020 2030 2040 2050 -

2,000

4,000

6,000

8,000

10,000

12,000

14,000

Arkansas Statewide Demands: Medium Scenario

Crop IrrigationLivestockDuck Hunting & Habitat Main-tenanceAquacultureShale GasThermoelectricSelf-Supplied CommercialIndustrial Self-Supplied DomesticMunicipal

Mill

ion

Gallo

ns p

er D

ay (M

GD)

6

Statewide Irrigated Acreage Forecast

2010 2020 2030 2040 2050 -

1,000,000

2,000,000

3,000,000

4,000,000

5,000,000

6,000,000

OtherCottonCorn for grainRiceSoybeansM

illio

ns o

f Irr

igat

ed A

cres

7

Statewide Water Forecast - Excluding IrrigationStatewide increase of 10% for all non-irrigation sectors

Base Year 2020 2030 2040 2050 -

500

1,000

1,500

2,000

2,500

3,000

Arkansas Statewide Demands: Medium Scenario (Excluding Irrigation Demands)

LivestockDuck Hunting & Habitat Main-tenanceAquacultureShale GasThermoelectricSelf-Supplied CommercialIndustrial Self-Supplied DomesticMunicipal

Mill

ion

Gallo

ns p

er D

ay (M

GD)

8

ARKANSAS STATEWIDE DEMANDS - MEDIUM SCENARIOStatewide Total (Million Gallons per Day [MGD]) Base Year 2020 2030 2040 2050

Municipal 385 405 431 463 503

Self-Supplied Domestic 13 13 13 13 14

Industrial 291 273 249 224 202

Self-Supplied Commercial 5 5 5 6 6

Thermoelectric 1,177 1,356 1,357 1,363 1,370

Shale Gas 11 9 - - -

Mining 6 6 8 10 13

Aquaculture 103 103 103 103 103

Duck Hunting & Habitat Maintenance 253 253 253 253 253

Livestock 27 29 29 29 29

Crop Irrigation 8,816 9,507 9,941 10,020 10,040

Total 11,086 11,959 12,390 12,485 12,533

Statewide Crop Water Demand Forecast Results by Source of Supply

Results of irrigation withdrawal forecast at county level identified by source of supply from WUDBS (2010)

Source assumed to remain constant (in terms of percent) to 2050

Ground-water 84%

Sur-face Wa-ter; 16%

Alluvial 96.1%

Sparta, 1.2%

Other; 2.6%

10

Thank you!Water Plan information:

www.arwaterplan.arkansas.gov

Edward Swaim

Arkansas Natural Resources Commission

101 East Capitol Avenue, Suite 350

Little Rock, Arkansas 72201

501-682-3979

edward.swaim@arkansas.gov