pwpg mtg%2011 5 14

Panhandle Water Planning Area

WATER SUPPLIES FROM OTHER AQUIFERS

Panhandle Water Planning Area

Other Aquifer

County Availability (AFY) over 100 years

WUG Supplies from Other Aq. (AFY)

Armstrong 2,960 Livestock - 30Childress 1,870 Irrigation - 744

Collingsworth 2,480 Livestock - 276Donley 3,830 Livestock - 383

Hall 8,680Livestock - 237

Irrigation - 7,948Total = 8,185

Wheeler 2,210 City of Wheeler - 453

Whitehorse/Quartermaster Formation Availability

Undifferentiated Aquifer

County Availability (AFY) WUG Supplies from Other Aq. (AFY)

Randall 40 Livestock - 40

Panhandle Water Planning Area

MUNICIPAL CONSERVATION

Panhandle Water Planning Area

Approach Screening of 68 BMPs

Cost Potential Water Savings Time to Implement Public Acceptance Technical Feasibility Staff Resources

Strategies selected based on: Cities > 20,000 pop Cities < 20,000 pop

Panhandle Water Planning Area

Cities < 20,000 Education and Outreach Water Audits and Leak Repair Conservation – Oriented Rate

Structure Water Waste Ordinance

Panhandle Water Planning Area

Cities > 20,000 Education and Outreach Water Audits and Leak Repair Conservation – Oriented Rate

Structure Water Waste Ordinance Landscape Ordinance Time of Day Watering Limit

Panhandle Water Planning Area

Assumptions for BMPs Different for Large vs Small Cities Water Savings Implementation Costs Adoption Rates for each BMP

Panhandle Water Planning Area

Summary Recommended for 35 WUGs

4 are > 20,000 2 County-Others (with needs) 29 Cities/WSCs < 20,000

Water savings: Low of 5 ac-ft/yr (Groom) High of 2,762 ac-ft/yr (Amarillo)

Costs: $250 to > $2,000 per ac-ft/yr

Panhandle Water Planning Area

Chapter 7 - Drought Droughts of Record

Impact on water supplies Current Drought Preparations Emergency Interconnects Emergency Responses Drought Triggers Model Drought Contingency

Plan

Panhandle Water Planning Area

Droughts of Record Reservoirs

Hydrologic modeling Run-of-River

Lowest annual stream flows Groundwater

Precipitation Palmer Drought Severity Indices

Panhandle Water Planning Area

Precipitation – High Plains

Panhandle Water Planning Area

PDSI – High Plains

Panhandle Water Planning Area

Droughts of Record Reservoirs

Meredith: 2000- current Palo Duro: 1973 - current Greenbelt: 1962 - current

Run-of-River 2011

Groundwater 2011 - current

Panhandle Water Planning Area

Current Drought Preparations All retail water and wholesale

providers must prepare and submit DCPs to TCEQ and RWPGs

PWPA received 8 DCPs – 2014 8 DCPs – previous RWPs

Panhandle Water Planning Area

Emergency Interconnects 3 existing interconnects Potential future interconnects

Survey to larger water providers Major existing infrastructure 15-mile radius

9 potential interconnects

Panhandle Water Planning Area

Emergency Responses Entities with pop <7500 and all

county other Single source of water Analysis

Survey entities - input Consider interconnect (15-mi

radius) Brackish groundwater review

Panhandle Water Planning Area

Drought Triggers Reservoirs

Adopt triggers and responses of reservoir owner DCP

Run-of-River Adopt triggers – Drought Monitor

Groundwater Adopt triggers - Drought Monitor

Panhandle Water Planning Area

Drought Responses Run-of River and Groundwater:

No. of triggers and responses match Drought Monitor

Responses are tied to entities DCP

Severe drought: Consider implementing alternate

supplies

Panhandle Water Planning Area

PWPG Updated Meeting Timeline Late January / Early February 2015

Draft Chapters 5 (WMS) Draft Chapter 11 (Implementation) Legislative Recommendations

Early April 2015 Initially Prepared Plan for approval

Mid to late March – provide copy

June 2015 Public Hearing on IPP

September 2015 Prioritization of 2016 WMS

Late October/Early November 2015 Final Plan for approval