COLUMBUS PUBLIC WATER SYSTEM
OH · PWS ID OH2504412 · Community water system
97
contaminants tested
26
detected
1,305,946
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFBA | 0.0170 ug/L | 4/10 | 2024 |
| PFHxA | 0.0182 ug/L | 3/10 | 2024 |
| PFPeA | 0.0142 ug/L | 3/10 | 2024 |
| PFBS | 0.0111 ug/L | 1/10 | 2024 |
| PFHpA | 0.0043 ug/L | 1/10 | 2024 |
| PFOA | 0.0053 ug/L | 1/10 | 2024 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| Bromodichloromethane | 21.5 UG/L | 516/516 | SYR4 | 2012–2019 |
| Chloroform | 85 UG/L | 516/516 | SYR4 | 2012–2019 |
| Dibromochloromethane | 13.5 UG/L | 516/516 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 37.6 UG/L | 512/512 | SYR4 | 2012–2019 |
| TTHM | 111 UG/L | 512/512 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 65.2 UG/L | 512/512 | SYR4 | 2012–2019 |
| Monochloroacetic acid | 21.7 UG/L | 492/512 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 25.6 UG/L | 486/512 | SYR4 | 2012–2019 |
| Nitrate | 12500 UG/L | 390/464 | SYR4 | 2012–2019 |
| Bromoform | 9.1 UG/L | 364/516 | SYR4 | 2012–2019 |
| Nitrate-Nitrite | 12500 UG/L | 195/232 | SYR4 | 2012–2019 |
| Dibromoacetic acid | 4.7 UG/L | 187/512 | SYR4 | 2012–2019 |
| COPPER, FREE | 196.6 UG/L | 101/101 | SYR4 | 2014–2017 |
| Atrazine | 2.8 UG/L | 21/57 | SYR4 | 2012–2019 |
| LEAD SUMMARY | 1 mg/L | 20/20 | LCR | 2023 |
| Fluoride | 1010 UG/L | 18/18 | SYR4 | 2012–2019 |
| Simazine | 0.3900 UG/L | 17/57 | SYR4 | 2012–2019 |
| Barium | 17 UG/L | 11/18 | SYR4 | 2012–2019 |
| Lead | 3.4 UG/L | 8/101 | SYR4 | 2014–2017 |
| LASSO | 0.3700 UG/L | 6/57 | SYR4 | 2012–2019 |
71 contaminants tested, none detected
1,1,1-Trichloroethane1,1,2-Trichloroethane1,1-Dichloroethylene1,2,4-Trichlorobenzene1,2-Dichloroethane1,2-Dichloropropane11Cl-PF3OUdS2,4-D4:2 FTS6:2 FTS8:2 FTS9Cl-PF3ONSADONAAntimony, TotalArsenicBHC-GAMMABenzeneBenzo(a)pyreneBeryllium, TotalBromateCHLOROBENZENECYANIDECadmiumCarbofuranCarbon tetrachlorideChromiumDICHLOROMETHANEDi(2-ethylhexyl) adipateDi(2-ethylhexyl) phthalateDiquatEndothallEthylbenzeneGlyphosateHFPO-DAMercuryMethoxychlorMonobromoacetic acidNEtFOSAANFDHANMeFOSAANitriteOXAMYLPFDAPFDoAPFEESAPFHpSPFHxSPFMBAPFMPAPFNAPFOSPFPeSPFTAPFTrDAPFUnAPentachlorophenolPicloramSeleniumStyreneTetrachloroethyleneThallium, TotalTolueneTotal Polychlorinated Biphenyls (PCB)TrichloroethyleneVinyl chlorideXylenes, Totalcis-1,2-Dichloroethylenelithiumo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene