Is Zavalla, TX tap water safe?
The short answer
3 of the 3 utilities serving Zavalla 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 Zavalla, TX Airstream Harbor Water and Raylake WSC.
City of Zavalla, which serves the most people here, has 2 results above the legal limit, 1 result above the action level and 1 result above the health goal. The worst: Total trihalomethanes (TTHM) at 145 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 Zavalla’s ZIP codes, from EPA’s estimates.
- Open report
City of Zavalla
Texas · serves 880 people · under 100 in Zavalla
2 results above the legal limit, 1 result above the action level and 1 result above the health goal. The worst: Total trihalomethanes (TTHM) at 145 ppb, above the legal limit.
43 health-based violations since 2016
- Open report
TX Airstream Harbor Water
Texas · serves 236 people · under 100 in Zavalla
1 result above the legal limit, 1 result above the limit’s level with no violation recorded and 1 result above the health goal. The worst: Haloacetic acids (HAA5) at 59.5 ppb, above the legal limit.
11 health-based violations since 2016
- Open report
Raylake WSC
Texas · serves 63 people · under 100 in Zavalla
1 result above the action level. The worst: Lead at 25.9 ppb, above the action level.
3 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 City of Zavalla’s water, which serves the most people here. Another utility’s report names what handles its own results.
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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: Total trihalomethanes (TTHM), Copper, Lead
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: Total trihalomethanes (TTHM), Copper, Lead
Countertop reverse osmosis
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58NSF/ANSI 401checked Oct. 4, 2026
Certified for: Total trihalomethanes (TTHM), Copper, Lead
Water testing near Zavalla
The 3 labs Texas certifies closest to Zavalla, 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 30 miles
Certified for bacteria
Eastex Environmental Lab, Inc. -Coldspring
Coldspring, TX · about 58 miles
Certified for bacteria, lead and copper
Chaparral Laboratories, Inc.
Huntsville, TX · about 73 miles
Certified for bacteria, lead and copper
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 Zavalla
Which ZIP codes are in Zavalla: 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 Zavalla
Towns nearby with a page of their own.
What to do next
- Read City of Zavalla’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