RUNNING SPRINGS WATER DISTRICT
CA · PWS ID CA3610062 · Community water system
110
contaminants tested
26
detected
5,268
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFHxS | 0.0955 ug/L | 8/21 | 2025 |
| PFHxA | 0.0190 ug/L | 7/21 | 2025 |
| PFPeA | 0.0144 ug/L | 7/21 | 2025 |
| PFOS | 0.2365 ug/L | 6/21 | 2025 |
| PFBS | 0.0117 ug/L | 4/21 | 2025 |
| PFHpA | 0.0128 ug/L | 4/21 | 2025 |
| PFOA | 0.0159 ug/L | 4/21 | 2025 |
| PFPeS | 0.0108 ug/L | 2/21 | 2025 |
| PFBA | 0.0056 ug/L | 1/21 | 2025 |
| PFHpS | 0.0055 ug/L | 1/21 | 2025 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| Combined Uranium | 92.38 UG/L | 141/372 | SYR4 | 2012–2019 |
| Nitrate | 1700 UG/L | 72/144 | SYR4 | 2012–2019 |
| TTHM | 57.8 UG/L | 44/44 | SYR4 | 2013–2019 |
| Bromodichloromethane | 5.2 UG/L | 41/44 | SYR4 | 2013–2019 |
| Dibromochloromethane | 14.1 UG/L | 41/44 | SYR4 | 2013–2019 |
| Bromoform | 37.9 UG/L | 37/44 | SYR4 | 2013–2019 |
| Total Haloacetic Acids (HAA5) | 6.6 UG/L | 34/44 | SYR4 | 2013–2019 |
| Chloroform | 7.2 UG/L | 33/44 | SYR4 | 2013–2019 |
| Dibromoacetic acid | 6.6 UG/L | 32/44 | SYR4 | 2013–2019 |
| LEAD SUMMARY | 0.0100 mg/L | 32/32 | LCR | 2025 |
| lithium | 106 ug/L | 17/21 | UCMR-5 | 2025 |
| Nitrate-Nitrite | 980000 UG/L | 8/19 | SYR4 | 2013–2019 |
| Fluoride | 200 UG/L | 7/22 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 1.1 UG/L | 5/44 | SYR4 | 2013–2019 |
| Arsenic | 9.6 UG/L | 2/22 | SYR4 | 2012–2019 |
| DICHLOROMETHANE | 0.9600 UG/L | 1/18 | SYR4 | 2012–2018 |
84 contaminants tested, none detected
1,1,1-Trichloroethane1,1,2-Trichloroethane1,1-Dichloroethylene1,2,4-Trichlorobenzene1,2-DIBROMO-3-CHLOROPROPANE1,2-Dichloroethane1,2-Dichloropropane11Cl-PF3OUdS2,3,7,8-TCDD2,4,5-TP2,4-D4:2 FTS6:2 FTS8:2 FTS9Cl-PF3ONSADONAAntimony, TotalAtrazineBHC-GAMMABariumBenzeneBenzo(a)pyreneBeryllium, TotalCHLOROBENZENECOPPER, FREECYANIDECadmiumCarbofuranCarbon tetrachlorideChlordaneChromiumDalaponDi(2-ethylhexyl) adipateDi(2-ethylhexyl) phthalateDinosebDiquatETHYLENE DIBROMIDEEndothallEndrinEthylbenzeneGlyphosateHEXACHLOROBENZENEHFPO-DAHeptachlorHeptachlor epoxideHexachlorocyclopentadieneLASSOLeadMercuryMethoxychlorMonobromoacetic acidMonochloroacetic acidNEtFOSAANFDHANMeFOSAANitriteOXAMYLPFDAPFDoAPFEESAPFMBAPFMPAPFNAPFTAPFTrDAPFUnAPentachlorophenolPicloramSeleniumSimazineStyreneTetrachloroethyleneThallium, TotalTolueneTotal Polychlorinated Biphenyls (PCB)ToxapheneTrichloroacetic AcidTrichloroethyleneVinyl chlorideXylenes, Totalcis-1,2-Dichloroethyleneo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene