No open health-based violations on EPA record in the last 10 years; latest legal-limit breach in the period starting July 2023.
Serves about 729 people (243 connections) with groundwater from its own wells.
From EPA's record for TX1370007. PurityMap is independent of Riviera WCID.
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34 health-based violations in the last 10 years, from EPA's SDWIS compliance database.
| Period | Contaminant | Measured | Legal limit | EPA status |
|---|---|---|---|---|
| From July 2023 | Gross alpha particles | 23 pCi/L | 15 pCi/L | Resolved |
| From April 2023 | Gross alpha particles | 23 pCi/L | 15 pCi/L | Resolved |
| From April 2023 | Uranium | 97 µg/L | 30 µg/L | Resolved |
| From January 2023 | Uranium | 95 µg/L | 30 µg/L | Resolved |
| From January 2023 | Gross alpha particles | 23 pCi/L | 15 pCi/L | Resolved |
| Period | Contaminant | Measured | Legal limit | EPA status |
|---|---|---|---|---|
| From October 2022 | Uranium | 103 µg/L | 30 µg/L | Resolved |
| From October 2022 | Gross alpha particles | 23 pCi/L | 15 pCi/L | Resolved |
| From July 2022 | Uranium | 37 µg/L | 30 µg/L | Resolved |
| From April 2022 | Uranium | 44 µg/L | 30 µg/L | Resolved |
| From January 2022 | Uranium | 58 µg/L | 30 µg/L | Resolved |
| From October 2021 | Uranium | 62 µg/L | 30 µg/L | Resolved |
| From July 2021 | Uranium | 52 µg/L | 30 µg/L | Resolved |
| From April 2021 | Uranium | 43 µg/L | 30 µg/L | Resolved |
| From January 2020 | Uranium | 43 µg/L | 30 µg/L | Resolved |
| From October 2019 | Groundwater Rule | – | – | Resolved |
| From October 2019 | Uranium | 57 µg/L | 30 µg/L | Resolved |
| From July 2019 | Uranium | 74 µg/L | 30 µg/L | Resolved |
| From July 2019 | Gross alpha particles | 19 pCi/L | 15 pCi/L | Resolved |
| From April 2019 | Uranium | 76 µg/L | 30 µg/L | Resolved |
| From April 2019 | Gross alpha particles | 20 pCi/L | 15 pCi/L | Resolved |
| From January 2019 | Gross alpha particles | 19 pCi/L | 15 pCi/L | Resolved |
| From January 2019 | Uranium | 75 µg/L | 30 µg/L | Resolved |
| From October 2018 | Gross alpha particles | 24 pCi/L | 15 pCi/L | Resolved |
| From October 2018 | Uranium | 76 µg/L | 30 µg/L | Resolved |
| From July 2018 | Uranium | 77 µg/L | 30 µg/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.
Get PurityMap updates about this water system.
Follow this water →Riviera WCID's phone number on EPA record is 361-296-3805. Its mailing address is PO BOX 430, RIVIERA, TX 78379-0430.
According to EPA's record, Riviera WCID uses groundwater from its own wells.
EPA's record shows 34 health-based violations for Riviera WCID 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 July 2023. EPA also lists 26 missed or late tests or reports in 10 years. The record comes from EPA's SDWIS compliance database.
Lead was not detected at the 90th percentile of tap samples in Riviera WCID's latest lead and copper round, which ended in December 2024. The federal action level is 15 µg/L.
PurityMap has no verified website for Riviera WCID. Its phone number on EPA record is 361-296-3805. Its mailing address on EPA record is PO BOX 430, RIVIERA, TX 78379-0430. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.