Running Springs, California Water Quality Report
Water quality data for 2 water systems serving 5,638 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| lithium | 106.0 | No federal limit | 10.0 ug/L(EPA/USGS HBSL) | 1060% | Above guideline |
| PFBA | 0.006 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
| PFBS | 0.012 | No federal limit | 2000.0 ug/L(EPA Health Advisory) | 0% | Below guideline |
| PFHpA | 0.013 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
| PFHpS | 0.005 | No federal limit | — | — | No federal limit |
| PFHxA | 0.019 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
| PFHxS | 0.096 | 0.010 ug/L | 0.001 ug/L(EWG) | 955% | Above limit |
| PFOA | 0.016 | 0.004 ug/L | 0.090 ug/L(EWG) | 398% | Above limit |
| PFOS | 0.236 | 0.004 ug/L | 0.300 ug/L(EWG) | 5912% | Above limit |
| PFPeA | 0.014 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
| PFPeS | 0.011 | No federal limit | — | — | No federal limit |
Recommended Water Filters
Based on the contaminants detected in your water supply, these filtration systems are recommended:
Reverse Osmosis (RO)
Reverse osmosis systems remove up to 99% of PFAS compounds. Recommended for homes with detected PFAS.
Up to 99% PFAS removal
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Compliance & Violations
Active Violations (3)
Violation
Unknown
Violation
Unknown
Violation
Unknown
Resolved Violations (19)
1A
Mar 1, 2025 — Mar 31, 2025
1A
Mar 1, 2025 — Mar 31, 2025
27
Jan 1, 2024 — Mar 31, 2024
27
Jan 1, 2024 — Mar 31, 2024
27
Jan 1, 2024 — Mar 31, 2024
+ 14 more resolved violations
Frequently Asked Questions
Is Running Springs tap water safe to drink?
Running Springs's water has 3 contaminants detected above EPA limits. While the water is treated, residents may want to consider additional filtration.
What contaminants are in Running Springs tap water?
11 contaminants have been detected in Running Springs's water supply across 2 water systems. See the full contaminant table above for details.
How can I improve my water quality in Running Springs?
Install a water filter rated for the specific contaminants found in Running Springs's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Running Springs have any water quality violations?
Yes, Running Springs currently has 3 active violations. See the violations section above for details.