IBWC Water Summit on Groundwater Watershed Improvements through Stormwater Management Selden Stormwater Capture Site Gary Esslinger Elephant Butte Irrigation District
Water Reuse: Converting wastewater to a useable resource • A molecule of water can be reused five times from release at Caballo Dam to Fort Quitman, Texas • EBID and the Rio Grande Project have been active in Water Reuse for more than 100 years • Similar hydrology extends all the way to the headwaters of the Rio Grande • Most river systems do this to some extent
Irrigation Hydrologic Cycle: Plan View Downstream Reservoir Diversion Users Rio Grande Main Canals Laterals Drains Deliveries Reservoir Release into River River Diversion into Canal Canal Delivery to Farm Turnout Return Flows
Reuse, reuse, reuse … Arrey Diversion Rincon Return Flow M&I Effluent Leasburg Diversion Upper Mesilla Mesilla Return Flow Diversion Lower Mesilla El Paso Return Flow Diversion M&I Mexico Effluent Diversion Hudspeth Delivery Ft. Quitman Outflow
EBID Surface Water Allotment Reduced surface water allotment due to drought • Increase of groundwater pumping by farmers • Stormwater could be used as a potential source of water • Field irrigation • Aquifer replenishment •
CFS 1000.00 1100.00 1200.00 1300.00 1400.00 1500.00 1600.00 800.00 900.00 • • • • DateTime 81,137,000 gallons 248.96 acre feet 11 hour duration First storm event we measured 7/7/2012 2:30 7/7/2012 5:30 7/7/2012 8:30 2012 Storm Event 7/7/2012 11:30 7/7/2012 14:30 7/7/2012 17:30 Leasburg Cable 7/7/2012 20:30 7/7/2012 23:30 7/8/2012 2:30 7/8/2012 5:30 7/8/2012 8:30 7/8/2012 11:30 7/8/2012 14:30 7/8/2012 17:30 7/8/2012 20:30 FlowCalc
EBID RTU SYSTEM RTU & Pneumatic Bubbler Sensor 470 total field sites • Sites polled every 30 minutes • Line of sight FCC radio frequencies • Six mountain repeater sites • Myself, RTU Tech Supervisor and six • RTU Technicians Gate Automation Site - Leasburg Types of Monitoring Sites Dam Releases • River Stations • Diversion Canals • Lateral Headings • Spillways and Drains • Farmer Irrigation Wells • Groundwater Wells • Weather Stations • Rain Gauges • Flood Control Dams •
Rincon Arroyo Flood Event (click to play)
Upgrades to RTU System Rain Gauges (4) Rain Gauges (2) Rain Gauges (4) Rain Gauges (6) Current Weather Station • Current Rain Gauge • 2018 - 2019 Scheduled Sites • Watershed Region •
#1 UPGRADE - CONTRAIL ONERAIN SOFTWARE Text & Email Alerts Group texts • Alert field personnel • Preparation and mobilization • 2014 – OneRain Contrail Monitoring Software Extensive alarm features • Pan and zoom mapping with radar overlay • Easy to use graphical interface •
Groundwater Modeling - Targeted Capture Sites
Selden Stormwater Capture August 9th, 2016 – August 8th, 2017 Associated Groundwater Monitoring Well MES_42R
LEASBURG EASTSIDE WESTSIDE Year Hours Captured ACFT Year Hours Captured ACFT Year Hours Captured ACFT Yearly Total 2015 54.5 56.3 2015 0.0 0.0 2015 0.0 0.0 56.4 2016 79.0 313.7 2016 117.5 132.6 2016 98.5 134.7 580.9 2017 104.5 341.4 2017 65.5 257.1 2017 58.5 319.6 918.1 2018 28.5 43.4 2018 84.5 379.2 2018 3.5 5.5 428.1 Total Hours Total Gallons Total ACFT Total Hours Total Gallons Total ACFT Total Hours Total Gallons Total ACFT 267.5 250,574,766 768.9 160.5 149,850,880 459.8 266.5 245,988,517 754.8 EBID Total Diversion Total Hours Total Gallons Total ACFT 694.5 646,414,163 1,983.5
Future Plans – 2018 - 2020 Flood Control Dams – 28 Sites Flood Control Dams Alert for rising water elevation • Alert for water overflow • Alert for emergency spillway • Calculated flow • WaterSmart Grant Haynor Bridge Metering Cable • 16 Additional Rain Gauge Sites • Addition of Stormwater Capture Site in Mesilla • Automation of Capture Turnouts • Radar Sensor Monitoring on Arroyo Sites • Questions or Comments?
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