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LRGWUO New Mexico Lower Rio Grande Regional Water Plan Presentation to the Interstate Stream Commission: July 21, 2004 Lower Rio Grande Water Users Organization.

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Presentation on theme: "LRGWUO New Mexico Lower Rio Grande Regional Water Plan Presentation to the Interstate Stream Commission: July 21, 2004 Lower Rio Grande Water Users Organization."— Presentation transcript:

1 LRGWUO New Mexico Lower Rio Grande Regional Water Plan Presentation to the Interstate Stream Commission: July 21, 2004 Lower Rio Grande Water Users Organization

2 LRGWUO New Mexico Lower Rio Grande Regional Water Plan The New Mexico Lower Rio Grande Regional Water Plan was Prepared by: n Terracon n Livingston & Associates n John Shomaker & Associates n Zia Engineering & Environmental n Sites Southwest

3 LRGWUO New Mexico Lower Rio Grande Regional Water Plan With assistance from the Lower Rio Grande Water Users Organization (LRGWUO): n Anthony Water and Sanitation District n City of Las Cruces n Doña Ana County n Doña Ana Mutual Domestic Water Consumers Association n Elephant Butte Irrigation District n New Mexico State University n Town of Mesilla n Village of Hatch

4 LRGWUO New Mexico Lower Rio Grande Regional Water Plan Study Area The study area is chiefly comprised of the area within Dona Ana County, excluding portions of the Tularosa and Mimbres Basins within in the County. The study area also includes the portion of Sierra County within the boundaries of the Elephant Butte Irrigation District and the portion of the Hueco Bolson within Otero County.

5 LRGWUO Institutional Setting: Rio Grande Compact Rio Grande Project LRG

6 LRGWUO Caballo Conveyance System Irrigated Land Groundwater Drain Flows Atmosphere Seepage Exfiltration Pumping Return Diversion Bypass (spill) Delivery Deep Percolation Storm Flow Bypass (spill) Seepage Release Rio Grande M&I Users Pumping Deep Perc. Discharges Imported Water Exported Water Non-irrigated Land Rio Grande at El Paso Pumping Deep Percolation ET Precip ET Precip Drainage ET Precip Rio Grande Hydrology

7 LRGWUO Rio Grande Inflow and Outflow,

8 LRGWUO New Mexico Lower Rio Grande Regional Water Plan Water Demand - Current Use

9 LRGWUO New Mexico Lower Rio Grande Regional Water Plan Demand - Future Use n A base assumption in development of the plan is that there will be no new water supplies and the current and future water resource is finite and limited n Major future changes in use within the region are anticipated to reflect a shift for municipal usage from full reliance on groundwater to significant reliance on surface water as populations expands n As there becomes a need to rely upon surface water, drought impacts will become a significant concern. Therefore, contingency planning for drought periods is necessary

10 LRGWUO New Mexico Lower Rio Grande Water Plan Ranking and Implementation Schedule for Preferred Alternatives

11 LRGWUO New Mexico Lower Rio Grande Regional Water Plan Web


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