No health-based violations on EPA record since 2016.
Serves about 6,782 people (2,060 connections) with surface water from its own intake.
From EPA's record for CA3110003. PurityMap is independent of Foresthill Public Utility Dist.
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No health-based violations in the last 10 years, from EPA's SDWIS compliance database.
EPA required this system to test for 30 unregulated and emerging contaminants, from January 2025 to October 2025.
| Contaminant | Result | Limit | Status | Sampled | Source |
|---|---|---|---|---|---|
| 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (11Cl-PF3OUdS) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-07 to 2025-10-08 | UCMR5 Analytical Results: FORESTHILL PUBLIC UTILITY DIST (CA3110003) |
| 1H, 1H, 2H, 2H-perfluorodecane sulfonic acid (8:2 FTS) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-07 to 2025-10-08 | UCMR5 Analytical Results: FORESTHILL PUBLIC UTILITY DIST (CA3110003) |
| 1H, 1H, 2H, 2H-perfluorohexane sulfonic acid (4:2 FTS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-07 to 2025-10-08 | UCMR5 Analytical Results: FORESTHILL PUBLIC UTILITY DIST (CA3110003) |
| 1H, 1H, 2H, 2H-perfluorooctane sulfonic acid (6:2 FTS) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-07 to 2025-10-08 | UCMR5 Analytical Results: FORESTHILL PUBLIC UTILITY DIST (CA3110003) |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-07 to 2025-10-08 | UCMR5 Analytical Results: FORESTHILL PUBLIC UTILITY DIST (CA3110003) |
| 9-Chlorohexadecafluoro-3-oxanone-1-sulfonic acid (9Cl-PF3ONS) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-07 to 2025-10-08 | UCMR5 Analytical Results: FORESTHILL PUBLIC UTILITY DIST (CA3110003) |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) (GenX chemicals) | < 5 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-01-07 to 2025-10-08 | UCMR5 Analytical Results: FORESTHILL PUBLIC UTILITY DIST (CA3110003) |
| Lithium | < 9 µg/L | 10 µg/L EPA health reference level (screening, not a legal limit)Screening level, not a legal limit | Not detected above the reporting limit | 2025-01-07 to 2025-10-08 | UCMR5 Analytical Results: FORESTHILL PUBLIC UTILITY DIST (CA3110003) |
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-07 to 2025-10-08 | UCMR5 Analytical Results: FORESTHILL PUBLIC UTILITY DIST (CA3110003) |
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | < 6 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-07 to 2025-10-08 | UCMR5 Analytical Results: FORESTHILL PUBLIC UTILITY DIST (CA3110003) |
| Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) | < 20 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-07 to 2025-10-08 | UCMR5 Analytical Results: FORESTHILL PUBLIC UTILITY DIST (CA3110003) |
| Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-07 to 2025-10-08 | UCMR5 Analytical Results: FORESTHILL PUBLIC UTILITY DIST (CA3110003) |
| Perfluoro-3-methoxypropanoic acid (PFMPA) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-07 to 2025-10-08 | UCMR5 Analytical Results: FORESTHILL PUBLIC UTILITY DIST (CA3110003) |
| Perfluoro-4-methoxybutanoic acid (PFMBA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-07 to 2025-10-08 | UCMR5 Analytical Results: FORESTHILL PUBLIC UTILITY DIST (CA3110003) |
| Perfluorobutanesulfonic acid (PFBS) | < 3 ng/L | 2,000 ng/L EPA health advisory (screening, not a legal limit)Screening level, not a legal limit | Not detected above the reporting limit | 2025-01-07 to 2025-10-08 | UCMR5 Analytical Results: FORESTHILL PUBLIC UTILITY DIST (CA3110003) |
| Perfluorobutanoic acid (PFBA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-07 to 2025-10-08 | UCMR5 Analytical Results: FORESTHILL PUBLIC UTILITY DIST (CA3110003) |
| Perfluorodecanoic acid (PFDA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-07 to 2025-10-08 | UCMR5 Analytical Results: FORESTHILL PUBLIC UTILITY DIST (CA3110003) |
| Perfluorododecanoic acid (PFDoA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-07 to 2025-10-08 | UCMR5 Analytical Results: FORESTHILL PUBLIC UTILITY DIST (CA3110003) |
| Perfluoroheptanesulfonic acid (PFHpS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-07 to 2025-10-08 | UCMR5 Analytical Results: FORESTHILL PUBLIC UTILITY DIST (CA3110003) |
| Perfluoroheptanoic acid (PFHpA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-07 to 2025-10-08 | UCMR5 Analytical Results: FORESTHILL PUBLIC UTILITY DIST (CA3110003) |
| Perfluorohexanesulfonic acid (PFHxS) | < 3 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-01-07 to 2025-10-08 | UCMR5 Analytical Results: FORESTHILL PUBLIC UTILITY DIST (CA3110003) |
| Perfluorohexanoic acid (PFHxA) | < 3 ng/L | 400,000 ng/L Michigan EGLE state MCL (strictest US state) | Not detected above the reporting limit | 2025-01-07 to 2025-10-08 | UCMR5 Analytical Results: FORESTHILL PUBLIC UTILITY DIST (CA3110003) |
| Perfluorononanoic acid (PFNA) | < 4 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-01-07 to 2025-10-08 | UCMR5 Analytical Results: FORESTHILL PUBLIC UTILITY DIST (CA3110003) |
| Perfluorooctanesulfonic acid (PFOS) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-01-07 to 2025-10-08 | UCMR5 Analytical Results: FORESTHILL PUBLIC UTILITY DIST (CA3110003) |
| Perfluorooctanoic acid (PFOA) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-01-07 to 2025-10-08 | UCMR5 Analytical Results: FORESTHILL PUBLIC UTILITY DIST (CA3110003) |
| Perfluoropentanesulfonic acid (PFPeS) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-07 to 2025-10-08 | UCMR5 Analytical Results: FORESTHILL PUBLIC UTILITY DIST (CA3110003) |
| Perfluoropentanoic acid (PFPeA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-07 to 2025-10-08 | UCMR5 Analytical Results: FORESTHILL PUBLIC UTILITY DIST (CA3110003) |
| Perfluorotetradecanoic acid (PFTA) | < 8 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-07 to 2025-10-08 | UCMR5 Analytical Results: FORESTHILL PUBLIC UTILITY DIST (CA3110003) |
| Perfluorotridecanoic acid (PFTrDA) | < 7 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-07 to 2025-10-08 | UCMR5 Analytical Results: FORESTHILL PUBLIC UTILITY DIST (CA3110003) |
| Perfluoroundecanoic acid (PFUnA) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-07 to 2025-10-08 | UCMR5 Analytical Results: FORESTHILL PUBLIC UTILITY DIST (CA3110003) |
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 →Foresthill Public Utility Dist's phone number on EPA record is 530-367-2511. Its mailing address is PO Box 266, FORESTHILL, CA 95631.
According to EPA's record, Foresthill Public Utility Dist uses surface water from its own intake.
No health-based violations on EPA record since 2016. The record comes from EPA's SDWIS compliance database.
Lead was not detected at the 90th percentile of tap samples in Foresthill Public Utility Dist's latest lead and copper round, which ended in December 2023. The federal action level is 15 µg/L.
PurityMap has no verified website for Foresthill Public Utility Dist. Its phone number on EPA record is 530-367-2511. Its mailing address on EPA record is PO Box 266, FORESTHILL, CA 95631. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.