No open health-based violations on EPA record in the last 10 years; latest legal-limit breach in the period starting October 2016.
Serves about 8,791 people (2,738 connections) with surface water from its own intake.
From EPA's record for CA0310012. PurityMap is independent of Awa Buckhorn Plant.
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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 |
|---|---|---|---|---|
| Oct–Dec 2016 | Total trihalomethanes (TTHM) | 0.094 mg/L | 0.080 mg/L | Resolved |
EPA required this system to test for 30 unregulated and emerging contaminants, from February 2023 to November 2023.
| 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 | 2023-02-22 to 2023-11-06 | UCMR5 Analytical Results: AWA BUCKHORN PLANT (CA0310012) |
| 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 | 2023-02-22 to 2023-11-06 | UCMR5 Analytical Results: AWA BUCKHORN PLANT (CA0310012) |
| 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 | 2023-02-22 to 2023-11-06 | UCMR5 Analytical Results: AWA BUCKHORN PLANT (CA0310012) |
| 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 | 2023-02-22 to 2023-11-06 | UCMR5 Analytical Results: AWA BUCKHORN PLANT (CA0310012) |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-22 to 2023-11-06 | UCMR5 Analytical Results: AWA BUCKHORN PLANT (CA0310012) |
| 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 | 2023-02-22 to 2023-11-06 | UCMR5 Analytical Results: AWA BUCKHORN PLANT (CA0310012) |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) (GenX chemicals) | < 5 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-02-22 to 2023-11-06 | UCMR5 Analytical Results: AWA BUCKHORN PLANT (CA0310012) |
| 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 | 2023-02-22 to 2023-11-06 | UCMR5 Analytical Results: AWA BUCKHORN PLANT (CA0310012) |
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-22 to 2023-11-06 | UCMR5 Analytical Results: AWA BUCKHORN PLANT (CA0310012) |
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | < 6 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-22 to 2023-11-06 | UCMR5 Analytical Results: AWA BUCKHORN PLANT (CA0310012) |
| Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) | < 20 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-22 to 2023-11-06 | UCMR5 Analytical Results: AWA BUCKHORN PLANT (CA0310012) |
| Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-22 to 2023-11-06 | UCMR5 Analytical Results: AWA BUCKHORN PLANT (CA0310012) |
| Perfluoro-3-methoxypropanoic acid (PFMPA) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-22 to 2023-11-06 | UCMR5 Analytical Results: AWA BUCKHORN PLANT (CA0310012) |
| Perfluoro-4-methoxybutanoic acid (PFMBA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-22 to 2023-11-06 | UCMR5 Analytical Results: AWA BUCKHORN PLANT (CA0310012) |
| 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 | 2023-02-22 to 2023-11-06 | UCMR5 Analytical Results: AWA BUCKHORN PLANT (CA0310012) |
| Perfluorobutanoic acid (PFBA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-22 to 2023-11-06 | UCMR5 Analytical Results: AWA BUCKHORN PLANT (CA0310012) |
| Perfluorodecanoic acid (PFDA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-22 to 2023-11-06 | UCMR5 Analytical Results: AWA BUCKHORN PLANT (CA0310012) |
| Perfluorododecanoic acid (PFDoA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-22 to 2023-11-06 | UCMR5 Analytical Results: AWA BUCKHORN PLANT (CA0310012) |
| Perfluoroheptanesulfonic acid (PFHpS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-22 to 2023-11-06 | UCMR5 Analytical Results: AWA BUCKHORN PLANT (CA0310012) |
| Perfluoroheptanoic acid (PFHpA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-22 to 2023-11-06 | UCMR5 Analytical Results: AWA BUCKHORN PLANT (CA0310012) |
| Perfluorohexanesulfonic acid (PFHxS) | < 3 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-02-22 to 2023-11-06 | UCMR5 Analytical Results: AWA BUCKHORN PLANT (CA0310012) |
| Perfluorohexanoic acid (PFHxA) | < 3 ng/L | 400,000 ng/L Michigan EGLE state MCL (strictest US state) | Not detected above the reporting limit | 2023-02-22 to 2023-11-06 | UCMR5 Analytical Results: AWA BUCKHORN PLANT (CA0310012) |
| Perfluorononanoic acid (PFNA) | < 4 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-02-22 to 2023-11-06 | UCMR5 Analytical Results: AWA BUCKHORN PLANT (CA0310012) |
| Perfluorooctanesulfonic acid (PFOS) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-02-22 to 2023-11-06 | UCMR5 Analytical Results: AWA BUCKHORN PLANT (CA0310012) |
| Perfluorooctanoic acid (PFOA) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2023-02-22 to 2023-11-06 | UCMR5 Analytical Results: AWA BUCKHORN PLANT (CA0310012) |
| Perfluoropentanesulfonic acid (PFPeS) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-22 to 2023-11-06 | UCMR5 Analytical Results: AWA BUCKHORN PLANT (CA0310012) |
| Perfluoropentanoic acid (PFPeA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-22 to 2023-11-06 | UCMR5 Analytical Results: AWA BUCKHORN PLANT (CA0310012) |
| Perfluorotetradecanoic acid (PFTA) | < 8 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-22 to 2023-11-06 | UCMR5 Analytical Results: AWA BUCKHORN PLANT (CA0310012) |
| Perfluorotridecanoic acid (PFTrDA) | < 7 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-22 to 2023-11-06 | UCMR5 Analytical Results: AWA BUCKHORN PLANT (CA0310012) |
| Perfluoroundecanoic acid (PFUnA) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2023-02-22 to 2023-11-06 | UCMR5 Analytical Results: AWA BUCKHORN PLANT (CA0310012) |
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 →Awa Buckhorn Plant's phone number on EPA record is 209-257-5284. Its mailing address is 12800 Ridge Rd., SUTTER CREEK, CA 95685.
According to EPA's record, Awa Buckhorn Plant uses surface water from its own intake.
EPA's record shows 1 health-based violation for Awa Buckhorn Plant 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 2016. The record comes from EPA's SDWIS compliance database.
Lead was not detected at the 90th percentile of tap samples in Awa Buckhorn Plant'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 Awa Buckhorn Plant. Its phone number on EPA record is 209-257-5284. Its mailing address on EPA record is 12800 Ridge Rd., SUTTER CREEK, CA 95685. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.