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Superfund Sites in Hidalgo County

Current and former Superfund sites located in Hidalgo County, Texas. Locator map. Links to details about each site.

Hidalgo County Map

Federal Site is noted as a red star on the mapTCEQ State site is noted as a blue star on the map


Topics Under this Category

Donna Reservoir and Canal System
The EPA's web page on this reservoir and canal system in Donna, Hidalgo County.
Hayes-Sammons Warehouse
No further Superfund remedial activities is needed on this former commercial grade pesticide storage site in Mission, Hidalgo County.
Munoz Borrow Pits
No further Superfund environmental response actions are required at this site in Mission, Hidalgo County. This site formerly contained contaminated soil.
Required use of SW-846 Method 5035

New Information

Beginning January 1, 2016, the TCEQ Remediation Division will require the use of United States Environmental Protection Agency (USEPA) SW846 Method 5035A, Purge-and-Trap and Extraction for Volatile Organics in Soil and Waste Samples, as amended, for the collection and preparation of solid samples for volatile organic compound (VOC) analysis using purge-and-trap technology.

The TCEQ Remediation Division guidance on Method 5035 has been updated and is available.