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 Roswell Aquifer

The Roswell Aquifer is a small aquifer, with a length around 75 miles and a width of about 25 miles. It is contained within the counties of Eddy and Chaves in New Mexico. Recharge to the aquifer occurs from runoff from the Pecos River, which flows directly above the Roswell Aquifer, and from precipitation directly to the aquifer. Groundwater pumping was intense in the artesian aquifer for decades, which lead to substantial decline in aquifer levels. This small aquifer provides habitat for a variety of federally listed threatened and endangered species. New Mexico Environment Department sets surface water quality criteria by stream segment; the map below details where the surface water quality stations used for analysis are located in terms of the New Mexico Environment Department standards for surface water segments.

Roswell Water Quality and Quantity data were obtained courtesy of the USGS New Mexico Water Science Center (groundwater quality and groundwater and surface water quantity), the New Mexico Environment Department (surface water quality), and the National Climatic Data Center (precipitation). The stations in the figures below were used for the data analysis for Groundwater and Surface Water Quality and Quantity. Degradation of aquifer water quality and surface water quality, both in terms of water bodies that supply recharge to the aquifer as well as the springs and cave system that have surface water provided by the aquifer can lead to detrimental effects on species that rely on the aquifer for habitat. Declines in aquifer levels and surface water levels can effect flows in springs and caved, which threaten the unique biodiversity of these niche karst habitats. Data can be viewed in the Karst Aquifer Mapping Application.

Roswell Aquifer Water Quality Monitoring Stations [Figure: Houston Advanced Research Center]

Roswell Aquifer Water Quality Monitoring Stations [Figure: Houston Advanced Research Center]

Selected Wells, Rain Gages and Stream Gages Representing Water Quantity in the Roswell Aquifer [Figure: Houston Advanced Research Center]

Selected Wells, Rain Gages and Stream Gages Representing Water Quantity in the Roswell Aquifer [Figure: Houston Advanced Research Center]


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