No open health-based violations on EPA record in the last 10 years; latest legal-limit breach in the period starting October 2018.
Serves about 600 people (217 connections) with groundwater from its own wells.
From EPA's record for TX0260015. PurityMap is independent of Lyons WSC.
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4 health-based violations in the last 10 years, from EPA's SDWIS compliance database.
| Period | Contaminant | Measured | Legal limit | EPA status |
|---|---|---|---|---|
| Oct–Dec 2018 | Total trihalomethanes (TTHM) | 0.091 mg/L | 0.080 mg/L | Resolved |
| Jul–Sep 2018 | Total trihalomethanes (TTHM) | 0.089 mg/L | 0.080 mg/L | Resolved |
| Jan–Mar 2017 | Total trihalomethanes (TTHM) | 0.097 mg/L | 0.080 mg/L | Resolved |
| Oct–Dec 2016 | Total trihalomethanes (TTHM) | 0.095 mg/L | 0.080 mg/L | 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 →Lyons WSC's phone number on EPA record is 979-271-0101. Its mailing address is PO BOX 407, LYONS, TX 77863-0407.
According to EPA's record, Lyons WSC uses groundwater from its own wells.
EPA's record shows 4 health-based violations for Lyons WSC in the 10 years to July 9, 2026. No open health-based violations on EPA record in the last 10 years. The latest legal-limit breach on record was in the period starting October 2018. EPA also lists 3 missed or late tests or reports in 10 years. The record comes from EPA's SDWIS compliance database.
The 90th-percentile lead result in Lyons WSC's latest lead and copper round, which ended in December 2025, was 4 µg/L, below the federal action level of 15 µg/L.
PurityMap has no verified website for Lyons WSC. Its phone number on EPA record is 979-271-0101. Its mailing address on EPA record is PO BOX 407, LYONS, TX 77863-0407. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.