Texas Well Water Testing Labs

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R&C Joy, Inc.

Water testing lab in Katy, Harris 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.

R&C Joy, Inc.

19020 West Little York Road, Katy, TX 77449 · map (OpenStreetMap)
Phone: (281) 858-5988
Bacteria (total coliform / E. coli)
Source: TCEQ PWS Lab Map Table (Map ID 60) · Last checked Oct 28, 2026

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