Is San Augustine, TX tap water safe?
The short answer
3 of the 4 utilities serving San Augustine have a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and Texas’s records: City of San Augustine, San Augustine Rural WSC and Denning WSC.
City of San Augustine, which serves the most people here, has 1 result above the legal limit. The worst: Total trihalomethanes (TTHM) at 87.8 ppb, above the legal limit.
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 San Augustine’s ZIP codes, from EPA’s estimates.
- Open report
City of San Augustine
Texas · serves 1,971 people · under 100 in San Augustine
1 result above the legal limit. The worst: Total trihalomethanes (TTHM) at 87.8 ppb, above the legal limit.
22 health-based violations since 2016
- Open report
New WSC
Texas · serves 1,128 people · under 100 in San Augustine
1 result above the health goal. The worst: Lead at 1.2 ppb, above the health goal.
No health-based violations since 2016
- Open report
San Augustine Rural WSC
Texas · serves 1,450 people · under 100 in San Augustine
2 results above the legal limit. The worst: Total trihalomethanes (TTHM) at 88.7 ppb, above the legal limit.
26 health-based violations since 2016
- Open report
Denning WSC
Texas · serves 648 people · under 100 in San Augustine
Nothing in its records is above a health goal.
1 health-based violation since 2016
What handles it
Each of these is certified, on a certifier’s listing, for a result above a line in City of San Augustine’s water, which serves the most people here. Another utility’s report names what handles its own results.
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Aquasana Clean Water Machine (AQ-CWM2)
Countertop
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 9, 2026
Certified for: Total trihalomethanes (TTHM)
Brita Hub Countertop Water Filter System (87340)
Countertop
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 9, 2026
- IAPMO listing:NSF/ANSI 53checked Oct. 9, 2026
Certified for: Total trihalomethanes (TTHM)
Ninja HydraSense Countertop Water Filtration System (WF1001)
Countertop
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 9, 2026
Certified for: Total trihalomethanes (TTHM)
Water testing near San Augustine
The lab Texas certifies closest to San Augustine, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Eastex Environmental Lab, Inc.-Nacogdoches
Nacogdoches, TX · about 23 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 San Augustine
Which ZIP codes are in San Augustine: 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 San Augustine
Towns nearby with a page of their own.
What to do next
- Read City of San Augustine’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- About Total trihalomethanes (TTHM)What it does to health, where it comes from, and the certification claim that addresses it.About Total trihalomethanes (TTHM)
- On a private well?No utility tests a well. A certified lab test is the first step.How to test well water