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North Texas Municipal Water District Laboratory

Name: North Texas Municipal Water District Laboratory
Address: 810 North Highway 78, Operations Bldg C, Wylie, TX, 75098, US
Telephone: (972) 442-5405

Water testing lab in Wylie, Dallas County, Texas.

Independent directory. Listings come from the TCEQ Public Water System Lab Map Table (updated 03/26/2026). These labs are accredited for public drinking-water samples; call first to confirm they accept private-well samples, which tests they run, sample bottles, drop-off hours and price.

North Texas Municipal Water District Laboratory

810 North Highway 78, Operations Bldg C, Wylie, TX 75098 · map (OpenStreetMap)

Phone: (972) 442-5405

Bacteria (total coliform / E. coli)Lead & copperWater quality parameters

Source: TCEQ PWS Lab Map Table (Map ID 53) · Last checked Oct 28, 2026

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