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Well water testing labs in Kerr County, TX

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.

2 accredited labs listed in Kerr County. Bacteria tests usually need a sterile bottle from the lab and delivery within about 30 hours, so check the lab's sample rules before you collect.

Quick answer

Lab	City	Bacteria	Published price	Phone
City of Kerrville Laboratory	Kerrville	Yes	Call	(830) 257-4230
Upper Guadalupe River Authority	Kerrville	Yes	Call	(830) 896-5445

City of Kerrville Laboratory

1000 Thompson Drive, Kerrville, TX 78028 · map (OpenStreetMap)

Phone: (830) 257-4230

Bacteria (total coliform / E. coli)

Source: TCEQ PWS Lab Map Table (Map ID 24) · Last checked Oct 28, 2026

Upper Guadalupe River Authority

125 Lehmann Drive, Suite 100, Kerrville, TX 78028 · map (OpenStreetMap)

Phone: (830) 896-5445

Bacteria (total coliform / E. coli)Water quality parameters

Source: TCEQ PWS Lab Map Table (Map ID 75) · Last checked Oct 28, 2026

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