Is Plainview, TX tap water safe?
The short answer
5 of the 6 utilities serving Plainview have a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and Texas’s records: Seth Ward WSC, Grand Castle Estates, Halfway WSC and 2 more.
Plainview Municipal Water System, which serves the most people here, has 2 results above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 120 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 Plainview’s ZIP codes, from EPA’s estimates.
- Open report
Plainview Municipal Water System
Texas · serves 21,104 people · about 770 in Plainview
2 results above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 120 ppb, above EPA’s health benchmark.
No health-based violations since 2016
- Open report
Seth Ward WSC
Texas · serves 1,700 people · under 100 in Plainview
3 results above the health goal. The worst: Arsenic at 3.3 ppb, above the health goal.
1 health-based violation since 2016
- Open report
Grand Castle Estates
Texas · serves 80 people · under 100 in Plainview
2 results above the health goal. The worst: Arsenic at 3.6 ppb, above the health goal.
3 health-based violations since 2016
- Open report
Halfway WSC
Texas · serves 110 people · under 100 in Plainview
1 result above the legal limit and 3 results above the health goal. The worst: Nitrate at 11.1 ppm, above the legal limit.
3 health-based violations since 2016
- Open report
Ebeling WSC
Texas · serves 51 people · under 100 in Plainview
1 result above the legal limit and 3 results above the health goal. The worst: Nitrate at 12 ppm, above the legal limit.
3 health-based violations since 2016
- Open report
Loma Alta WSC
Texas · serves 72 people · under 100 in Plainview
1 result above the legal limit and 3 results above the health goal. The worst: Nitrate at 14 ppm, above the legal limit.
9 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 Plainview Municipal Water System’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 Plainview
The 2 labs Texas certifies closest to Plainview, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Eurofins Xenco, LLC -Lubbock
Lubbock, TX · about 50 miles
Certified for bacteria
Environmental Monitoring Lab
Amarillo, TX · about 65 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 Plainview
Which ZIP codes are in Plainview: 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 Plainview
Towns nearby with a page of their own.
What to do next
- Read Plainview Municipal Water System’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