No open health-based violations on EPA record in the last 10 years; latest legal-limit breach in the period starting January 2020.
Serves about 1,450 people (373 connections) with groundwater from its own wells.
From EPA's record for CA5210003. PurityMap is independent of Los Molinos Comm. Services Dist..
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11 health-based violations in the last 10 years, from EPA's SDWIS compliance database.
| Period | Contaminant | Measured | Legal limit | EPA status |
|---|---|---|---|---|
| From January 2020 | Arsenic | 11 µg/L | 0.010 mg/L | Resolved |
| From October 2019 | Arsenic | 11 µg/L | 0.010 mg/L | Resolved |
| From July 2019 | Arsenic | 11 µg/L | 0.010 mg/L | Resolved |
| From April 2019 | Arsenic | 11 µg/L | 0.010 mg/L | Resolved |
| From July 2018 | Arsenic | 11 µg/L | 0.010 mg/L | Resolved |
| Period | Contaminant | Measured | Legal limit | EPA status |
|---|---|---|---|---|
| From April 2018 | Arsenic | 12 µg/L | 0.010 mg/L | Resolved |
| From January 2018 | Arsenic | 11 µg/L | 0.010 mg/L | Resolved |
| From October 2017 | Arsenic | 11 µg/L | 0.010 mg/L | Resolved |
| From April 2017 | Arsenic | 11 µg/L | 0.010 mg/L | Resolved |
| From January 2017 | Arsenic | 11 µg/L | 0.010 mg/L | Resolved |
| From October 2016 | Arsenic | 11 µg/L | 0.010 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 →Los Molinos Comm. Services Dist.'s phone number on EPA record is 530-384-2737. Its mailing address is P.O. BOX 9, LOS MOLINOS, CA 96055.
According to EPA's record, Los Molinos Comm. Services Dist. uses groundwater from its own wells.
EPA's record shows 11 health-based violations for Los Molinos Comm. Services Dist. 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 January 2020. The record comes from EPA's SDWIS compliance database.
Lead was not detected at the 90th percentile of tap samples in Los Molinos Comm. Services Dist.'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 Los Molinos Comm. Services Dist.. Its phone number on EPA record is 530-384-2737. Its mailing address on EPA record is P.O. BOX 9, LOS MOLINOS, CA 96055. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.