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  2. EPA in New Mexico

SIERRA COUNTY REGIONAL WWTP - NORTH AREA - FINAL NPDES PERMIT NO. NM0030864

AUTHORIZATION TO DISCHARGE UNDER THE NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM

In compliance with the provisions of the Clean Water Act, as amended, (33 U.S.C. 1251 et. seq; the "Act"),

Sierra County Regional WWTP-North Area
P.O. Box 1080
Elephant Butte, NM 87935

is authorized to discharge from a facility located at 1001 Sunset Ridge Road, Sierra County, New Mexico, into Cuchillo Negro Creek, thence to Rio Grande Basin.

Outfall 001: Latitude 33° 09' 22" N and Longitude 107° 14' 52.01" W

in accordance with this cover page and the effluent limitations, monitoring requirements and other conditions set forth in Part I, Part II, III and Part IV.

Sierra County Regional WWTP NPDES Permit No. NM0030864 Part I-II (pdf) (347.49 KB)

NM0030864 - Public Notice (pdf) (99.06 KB)

NM0030864 - Fact Sheet (pdf) (408.33 KB)

NM0030864 - Part II App. A (pdf) (13.95 KB)

NM0030864 - Part II App. B (pdf) (54.27 KB)

Sierra County Regional WWTP NPDES Permit No. NM0030864 Part III (pdf) (125.09 KB)

Sierra County Regional WWTP NPDES Permit No. NM0030864-RTC (pdf) (107.81 KB)

NM0030864 - Part IV (pdf) (173.85 KB)

NM0030864 - Aviso Publico (pdf) (13.57 KB)

Contact Us about EPA in New Mexico to ask a question, provide feedback, or report a problem.
Last updated on August 18, 2025
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