KLAMATH FALLS WATER DEPT
OR · PWS ID OR4100443 · Community water system
99
contaminants tested
12
detected
40,475
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFBS | 0.0043 ug/L | 2/12 | 2024 |
| PFHxS | 0.0058 ug/L | 2/12 | 2024 |
| PFOS | 0.0095 ug/L | 2/12 | 2024 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| Nitrate | 1860 UG/L | 70/120 | SYR4 | 2012–2019 |
| COPPER, FREE | 104 UG/L | 60/60 | SYR4 | 2014–2017 |
| Lead | 1.52 UG/L | 44/60 | SYR4 | 2014–2017 |
| LEAD SUMMARY | 0.0027 mg/L | 19/19 | LCR | 2024 |
| TTHM | 4.5 UG/L | 11/44 | SYR4 | 2012–2019 |
| Arsenic | 7.5 UG/L | 2/2 | SYR4 | 2016–2019 |
| Nitrate-Nitrite | 379 UG/L | 2/2 | SYR4 | 2016–2019 |
| Barium | 1.22 UG/L | 1/2 | SYR4 | 2016–2019 |
| Total Haloacetic Acids (HAA5) | 11.7 UG/L | 1/44 | SYR4 | 2012–2019 |
87 contaminants tested, none detected
1,1,1-Trichloroethane1,1,2-Trichloroethane1,1-Dichloroethylene1,2,4-Trichlorobenzene1,2-DIBROMO-3-CHLOROPROPANE1,2-Dichloroethane1,2-Dichloropropane11Cl-PF3OUdS2,4,5-TP2,4-D4:2 FTS6:2 FTS8:2 FTS9Cl-PF3ONSADONAAntimony, TotalAtrazineBHC-GAMMABenzeneBenzo(a)pyreneBeryllium, TotalCHLOROBENZENECYANIDECadmiumCarbofuranCarbon tetrachlorideChlordaneChromiumDICHLOROMETHANEDalaponDi(2-ethylhexyl) adipateDi(2-ethylhexyl) phthalateDinosebDiquatETHYLENE DIBROMIDEEndothallEndrinEthylbenzeneFluorideGlyphosateHEXACHLOROBENZENEHFPO-DAHeptachlorHeptachlor epoxideHexachlorocyclopentadieneLASSOMercuryMethoxychlorNEtFOSAANFDHANMeFOSAANitriteOXAMYLPFBAPFDAPFDoAPFEESAPFHpAPFHpSPFHxAPFMBAPFMPAPFNAPFOAPFPeAPFPeSPFTAPFTrDAPFUnAPentachlorophenolPicloramSeleniumSimazineStyreneTetrachloroethyleneThallium, TotalTolueneTotal Polychlorinated Biphenyls (PCB)ToxapheneTrichloroethyleneVinyl chlorideXylenes, Totalcis-1,2-Dichloroethylenelithiumo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene