Is Rockport, TX tap water safe?
The short answer
3 of the 7 utilities serving Rockport 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 Rockport, Holiday Beach WSC and Aransas Bay Utilities.
City of Rockport, which serves the most people here, has 1 result above the legal limit, 1 result above the health goal and 1 result above EPA’s health benchmark. The worst: Total trihalomethanes (TTHM) at 75.1 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 Rockport’s ZIP codes, from EPA’s estimates.
- Open report
City of Rockport
Texas · serves 11,186 people · about 3,300 in Rockport
1 result above the legal limit, 1 result above the health goal and 1 result above EPA’s health benchmark. The worst: Total trihalomethanes (TTHM) at 75.1 ppb, above the legal limit.
1 health-based violation since 2016
- Open report
Copano Cove Subdivision
Texas · serves 1,668 people · about 180 in Rockport
1 result above the health goal. The worst: Lead at 1.6 ppb, above the health goal.
No health-based violations since 2016
- Open report
Holiday Beach WSC
Texas · serves 2,553 people · about 110 in Rockport
2 results above the health goal. The worst: Arsenic at 2.6 ppb, above the health goal.
1 health-based violation since 2016
- Open report
Aransas Bay Utilities
Texas · serves 1,062 people · under 100 in Rockport
2 results above the health goal. The worst: Arsenic at 6.9 ppb, above the health goal.
1 health-based violation since 2016
- Open report
Aransas County MUD 1
Texas · serves 615 people · under 100 in Rockport
2 results above the health goal. The worst: Arsenic at 2.9 ppb, above the health goal.
No health-based violations since 2016
- Open report
Copano Ridge Subdivision
Texas · serves 765 people · under 100 in Rockport
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
Copano Heights Water
Texas · serves 330 people · under 100 in Rockport
Nothing in its records is above a health goal.
No health-based violations since 2016
MUD stands for municipal utility district, a local water and sewer district common in Texas.
What handles it
Each of these is certified, on a certifier’s listing, for a result above a line in City of Rockport’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), Lead
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), Lead
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), Lead
Water testing near Rockport
The 3 labs Texas certifies closest to Rockport, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Corpus Christi -Nueces County Public Health District Laboratory
Corpus Christi, TX · about 35 miles
Certified for bacteria
Pace Analytical Services, LLC -Dallas TX
Victoria, TX · about 48 miles
Certified for bacteria
Victoria County Public Health Department Water Laboratory
Victoria, TX · about 48 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 Rockport
Which ZIP codes are in Rockport: 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 Rockport
Other towns in Aransas County with a page of their own.
What to do next
- Read City of Rockport’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