No open health-based violations on EPA record in the last 10 years.
Serves about 16 people (13,317 connections) with surface water bought from City of Corpus Christi.
From EPA's record for TX1370035. PurityMap is independent of South Texas Water Authority.
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1 health-based violation in the last 10 years, from EPA's SDWIS compliance database.
| Period | Contaminant | Measured | Legal limit | EPA status |
|---|---|---|---|---|
| From February 2025 | E. coli | – | – | Resolved |
No lab results for other contaminants (like PFAS) are on file for this system. EPA required that testing from systems serving more than 3,300 people, plus a sample of smaller ones.
Screening tells you if something is worth a closer look; a lab result is the number you can act on.
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Screening: quick check, not lab-grade
Safe Home (EnviroTestKits)
Lead, read as one of three ranges: 0–4, 5–15 or 15+ ppb
Turnaround: 5 minutes
What it can't tell you: It shows a lead range, not an exact level, and tests nothing else unless you pay extra for the optional lab test.
Lab-certified results
ETR Laboratories
50+ substances, including lead, copper, arsenic, nitrate, hardness and coliform bacteria
Environmental Testing and Research Laboratories (ETR Labs), Leominster, MA · ISO/IEC 17025:2017, ANAB certificate AT-2638 · 2–4 business days after the lab receives it
What it can't tell you: It does not test PFAS, and not every result on the panel falls under the lab's accredited scope.
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Follow this water →South Texas Water Authority's phone number on EPA record is 361-522-0715. Its mailing address is 2302 E SAGE RD, KINGSVILLE, TX 78363-3328.
According to EPA's record, South Texas Water Authority uses surface water bought from City of Corpus Christi.
EPA's record shows 1 health-based violation for South Texas Water Authority in the 10 years to July 9, 2026. No open health-based violations on EPA record in the last 10 years. The record comes from EPA's SDWIS compliance database.
PurityMap has no verified website for South Texas Water Authority. Its phone number on EPA record is 361-522-0715. Its mailing address on EPA record is 2302 E SAGE RD, KINGSVILLE, TX 78363-3328. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.