Is Coldspring, TX tap water safe?
The short answer
1 of the 6 utilities serving Coldspring has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and Texas’s records: Cape Royale Utility District.
San Jacinto SUD, which serves the most people here, has 1 result above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 59.5 ppb, above EPA’s health benchmark. Health goals are stricter than legal limits and are not enforced.
A town can be served by more than one utility, and some homes are on private wells. The name on your water bill tells you which is yours, and your ZIP code narrows it down. They are listed by how many people each serves in Coldspring’s ZIP codes, from EPA’s estimates.
- Open report
San Jacinto SUD
Texas · serves 3,993 people · under 100 in Coldspring
1 result above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 59.5 ppb, above EPA’s health benchmark.
No health-based violations since 2016
- Open report
One Five O WSC
Texas · serves 3,094 people · under 100 in Coldspring
2 results above the health goal. The worst: Arsenic at 4.1 ppb, above the health goal.
No health-based violations since 2016
- Open report
Cape Royale Utility District
Texas · serves 2,154 people · under 100 in Coldspring
2 results above the health goal. The worst: Arsenic at 1.4 ppb, above the health goal.
1 health-based violation since 2016
- Open report
Camilla WSC
Texas · serves 861 people · under 100 in Coldspring
1 result above the health goal. The worst: Arsenic at 3.1 ppb, above the health goal.
No health-based violations since 2016
- Open report
Camilla Coves
Texas · serves 242 people · under 100 in Coldspring
2 results above the health goal. The worst: Arsenic at 3.2 ppb, above the health goal.
No health-based violations since 2016
- Open report
Lakeview Hills Poa
Texas · serves 93 people · under 100 in Coldspring
2 results above the health goal. The worst: Arsenic at 3.3 ppb, above the health goal.
No health-based violations since 2016
What handles it
Each of these is certified, on a certifier’s listing, for a result above a line in San Jacinto SUD’s water, which serves the most people here. Another utility’s report names what handles its own results.
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Countertop reverse osmosis
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58NSF/ANSI 401checked Oct. 4, 2026
Certified for: Arsenic
Aquasana SmartFlow Reverse Osmosis (AQ-SFRO2)
Under-sink reverse osmosis
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58NSF/ANSI 401checked Oct. 9, 2026
Certified for: Arsenic
Brondell Capella RC250 Reverse Osmosis System
Under-sink reverse osmosis
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58NSF/ANSI 401checked Oct. 9, 2026
Certified for: Arsenic
Water testing near Coldspring
The 3 labs Texas certifies closest to Coldspring, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Eastex Environmental Lab, Inc. -Coldspring
Coldspring, TX · under a mile
Certified for bacteria, lead and copper
Chaparral Laboratories, Inc.
Huntsville, TX · about 26 miles
Certified for bacteria, lead and copper
Nova Biologicals, Inc.
Conroe, TX · about 28 miles
Certified for bacteria
Texas Well Owner Network, Texas A&M AgriLife Extension: Well Informed screening events, where well owners bring in water samples to be screened for common contaminants, followed by an hour-long session explaining the results. Upcoming events are on the network's calendar. Trainings, Texas Well Owner Network.
All 80 certified labs for TexasZIP codes in Coldspring
Which ZIP codes are in Coldspring: Census 2020 relationship files. Which utilities serve them, and how many people: EPA SDWIS and EPA’s service area map. Each utility’s results: EPA UCMR 5, EPA SDWIS, and EPA’s and the state’s compliance monitoring, as its report lists them. How they are measured: methodology. Certified labs: TCEQ, drinking water laboratories approved for public water system samples; distances from the Census 2020 ZIP code tabulation area gazetteer.
Near Coldspring
Towns nearby with a page of their own.
What to do next
- Read San Jacinto SUD’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- About LithiumWhat it does to health, where it comes from, and the certification claim that addresses it.About Lithium
- On a private well?No utility tests a well. A certified lab test is the first step.How to test well water