No health-based violations on EPA record since 2016.
Serves about 5,268 people (3,009 connections) with surface water bought from Clawa and Arrowbear Park CWD.
From EPA's record for CA3610062. PurityMap is independent of Running Springs Water District.
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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 |
|---|---|---|---|---|---|
| Perfluorooctanesulfonic acid (PFOS) | 236.5 ng/L | 4.0 ng/L federal MCL (2024) | Above a historical reference; current applicability unverified | 2025-01-06 to 2025-10-27 | UCMR5 Analytical Results: RUNNING SPRINGS WATER DISTRICT (CA3610062) |
| Lithium | 106 µg/L | 10 µg/L EPA health reference level (screening, not a legal limit)Screening level, not a legal limit | Above the referenced health-based guidance value | 2025-01-06 to 2025-10-27 | UCMR5 Analytical Results: RUNNING SPRINGS WATER DISTRICT (CA3610062) |
| Perfluorohexanesulfonic acid (PFHxS) | 95.5 ng/L | 10 ng/L federal MCL (2024) | Above a historical reference; current applicability unverified | 2025-01-06 to 2025-10-27 | UCMR5 Analytical Results: RUNNING SPRINGS WATER DISTRICT (CA3610062) |
| Perfluorooctanoic acid (PFOA) | 15.9 ng/L | 4.0 ng/L federal MCL (2024) | Above a historical reference; current applicability unverified | 2025-01-06 to 2025-10-27 | UCMR5 Analytical Results: RUNNING SPRINGS WATER DISTRICT (CA3610062) |
| Perfluorobutanesulfonic acid (PFBS) | 11.7 ng/L | 2,000 ng/L EPA health advisory (screening, not a legal limit)Screening level, not a legal limit | Within the referenced health-based guidance value | 2025-01-06 to 2025-10-27 | UCMR5 Analytical Results: RUNNING SPRINGS WATER DISTRICT (CA3610062) |
| Perfluorohexanoic acid (PFHxA) | 19 ng/L | 400,000 ng/L Michigan EGLE state MCL (strictest US state) | Within a historical reference; current applicability unverified | 2025-01-06 to 2025-10-27 | UCMR5 Analytical Results: RUNNING SPRINGS WATER DISTRICT (CA3610062) |
| Perfluorobutanoic acid (PFBA) | 5.6 ng/L | No federal or state limit; shown for transparency | Detected, no limit | 2025-01-06 to 2025-10-27 | UCMR5 Analytical Results: RUNNING SPRINGS WATER DISTRICT (CA3610062) |
| Perfluoroheptanesulfonic acid (PFHpS) | 5.5 ng/L | No federal or state limit; shown for transparency | Detected, no limit | 2025-01-06 to 2025-10-27 | UCMR5 Analytical Results: RUNNING SPRINGS WATER DISTRICT (CA3610062) |
| Perfluoroheptanoic acid (PFHpA) | 12.8 ng/L | No federal or state limit; shown for transparency | Detected, no limit | 2025-01-06 to 2025-10-27 | UCMR5 Analytical Results: RUNNING SPRINGS WATER DISTRICT (CA3610062) |
| Perfluoropentanesulfonic acid (PFPeS) | 10.8 ng/L | No federal or state limit; shown for transparency | Detected, no limit | 2025-01-06 to 2025-10-27 | UCMR5 Analytical Results: RUNNING SPRINGS WATER DISTRICT (CA3610062) |
| Perfluoropentanoic acid (PFPeA) | 14.4 ng/L | No federal or state limit; shown for transparency | Detected, no limit | 2025-01-06 to 2025-10-27 | UCMR5 Analytical Results: RUNNING SPRINGS WATER DISTRICT (CA3610062) |
| 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 | 2025-01-06 to 2025-10-27 | UCMR5 Analytical Results: RUNNING SPRINGS WATER DISTRICT (CA3610062) |
| 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 | 2025-01-06 to 2025-10-27 | UCMR5 Analytical Results: RUNNING SPRINGS WATER DISTRICT (CA3610062) |
| 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 | 2025-01-06 to 2025-10-27 | UCMR5 Analytical Results: RUNNING SPRINGS WATER DISTRICT (CA3610062) |
| 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 | 2025-01-06 to 2025-10-27 | UCMR5 Analytical Results: RUNNING SPRINGS WATER DISTRICT (CA3610062) |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-06 to 2025-10-27 | UCMR5 Analytical Results: RUNNING SPRINGS WATER DISTRICT (CA3610062) |
| 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 | 2025-01-06 to 2025-10-27 | UCMR5 Analytical Results: RUNNING SPRINGS WATER DISTRICT (CA3610062) |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) (GenX chemicals) | < 5 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-01-06 to 2025-10-27 | UCMR5 Analytical Results: RUNNING SPRINGS WATER DISTRICT (CA3610062) |
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-06 to 2025-10-27 | UCMR5 Analytical Results: RUNNING SPRINGS WATER DISTRICT (CA3610062) |
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | < 6 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-06 to 2025-10-27 | UCMR5 Analytical Results: RUNNING SPRINGS WATER DISTRICT (CA3610062) |
| Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) | < 20 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-06 to 2025-10-27 | UCMR5 Analytical Results: RUNNING SPRINGS WATER DISTRICT (CA3610062) |
| Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-06 to 2025-10-27 | UCMR5 Analytical Results: RUNNING SPRINGS WATER DISTRICT (CA3610062) |
| Perfluoro-3-methoxypropanoic acid (PFMPA) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-06 to 2025-10-27 | UCMR5 Analytical Results: RUNNING SPRINGS WATER DISTRICT (CA3610062) |
| Perfluoro-4-methoxybutanoic acid (PFMBA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-06 to 2025-10-27 | UCMR5 Analytical Results: RUNNING SPRINGS WATER DISTRICT (CA3610062) |
| Perfluorodecanoic acid (PFDA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-06 to 2025-10-27 | UCMR5 Analytical Results: RUNNING SPRINGS WATER DISTRICT (CA3610062) |
| Perfluorododecanoic acid (PFDoA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-06 to 2025-10-27 | UCMR5 Analytical Results: RUNNING SPRINGS WATER DISTRICT (CA3610062) |
| Perfluorononanoic acid (PFNA) | < 4 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2025-01-06 to 2025-10-27 | UCMR5 Analytical Results: RUNNING SPRINGS WATER DISTRICT (CA3610062) |
| Perfluorotetradecanoic acid (PFTA) | < 8 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-06 to 2025-10-27 | UCMR5 Analytical Results: RUNNING SPRINGS WATER DISTRICT (CA3610062) |
| Perfluorotridecanoic acid (PFTrDA) | < 7 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-06 to 2025-10-27 | UCMR5 Analytical Results: RUNNING SPRINGS WATER DISTRICT (CA3610062) |
| Perfluoroundecanoic acid (PFUnA) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2025-01-06 to 2025-10-27 | UCMR5 Analytical Results: RUNNING SPRINGS WATER DISTRICT (CA3610062) |
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 →Running Springs Water District's phone number on EPA record is 909-867-2766. Its mailing address is P. O. BOX 2206, RUNNING SPRINGS, CA 92382.
According to EPA's record, Running Springs Water District uses surface water bought from Clawa and Arrowbear Park CWD.
No health-based violations on EPA record since 2016. EPA also lists 4 missed or late tests or reports in 10 years. The record comes from EPA's SDWIS compliance database.
The 90th-percentile lead result in Running Springs Water District's latest lead and copper round, which ended in December 2025, was 8.1 µg/L, below the federal action level of 15 µg/L.
PurityMap has no verified website for Running Springs Water District. Its phone number on EPA record is 909-867-2766. Its mailing address on EPA record is P. O. BOX 2206, RUNNING SPRINGS, CA 92382. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.