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Well water testing labs in Montgomery 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 Montgomery 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
North Water District Lab Services	Conroe	Yes	Call	(936) 321-6060
Nova Biologicals, Inc.	Conroe	Yes	Call	(936) 756-5333

North Water District Lab Services

130 South Trade Center Parkway, Conroe, TX 77385 · map (OpenStreetMap)

Phone: (936) 321-6060

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

Source: TCEQ PWS Lab Map Table (Map ID 54) · Last checked Oct 28, 2026

Nova Biologicals, Inc.

1775 North Loop 336 East, Suite 4, Conroe, TX 77301 · map (OpenStreetMap)

Phone: (936) 756-5333

Bacteria (total coliform / E. coli)

Source: TCEQ PWS Lab Map Table (Map ID 56) · Last checked Oct 28, 2026

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