DEFIANCE CITY
OH · PWS ID OH2000111 · Community water system
86
contaminants tested
23
detected
16,494
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFPeA | 0.0068 ug/L | 4/4 | 2024 |
| PFBA | 0.0063 ug/L | 3/4 | 2024 |
| PFHxA | 0.0050 ug/L | 3/4 | 2024 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| Nitrate | 6100 UG/L | 416/416 | SYR4 | 2012–2019 |
| Bromodichloromethane | 55.1 UG/L | 132/132 | SYR4 | 2012–2019 |
| Chloroform | 91.6 UG/L | 132/132 | SYR4 | 2012–2019 |
| Dibromochloromethane | 22.9 UG/L | 132/132 | SYR4 | 2012–2019 |
| COPPER, FREE | 180 UG/L | 131/215 | SYR4 | 2012–2019 |
| TTHM | 142.9 UG/L | 129/129 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 29.3 UG/L | 128/128 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 43.1 UG/L | 128/128 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 14.5 UG/L | 128/128 | SYR4 | 2012–2019 |
| Dibromoacetic acid | 4.8 UG/L | 121/127 | SYR4 | 2012–2019 |
| Bromoform | 4.3 UG/L | 117/129 | SYR4 | 2012–2019 |
| Monochloroacetic acid | 11.4 UG/L | 53/127 | SYR4 | 2012–2019 |
| LEAD SUMMARY | 0.0912 mg/L | 26/26 | LCR | 2025 |
| Atrazine | 0.8000 UG/L | 17/29 | SYR4 | 2012–2019 |
| Lead | 23 UG/L | 15/181 | SYR4 | 2013–2019 |
| Barium | 60 UG/L | 8/8 | SYR4 | 2012–2019 |
| Fluoride | 1100 UG/L | 8/8 | SYR4 | 2012–2019 |
| Simazine | 0.0710 UG/L | 7/29 | SYR4 | 2012–2019 |
| Nitrate-Nitrite | 1680 UG/L | 3/3 | SYR4 | 2015 |
| DICHLOROMETHANE | 0.6100 UG/L | 1/9 | SYR4 | 2012–2019 |
63 contaminants tested, none detected
1,1,1-Trichloroethane1,1,2-Trichloroethane1,1-Dichloroethylene1,2,4-Trichlorobenzene1,2-Dichloroethane1,2-Dichloropropane11Cl-PF3OUdS4:2 FTS6:2 FTS8:2 FTS9Cl-PF3ONSADONAAntimony, TotalArsenicBenzeneBenzo(a)pyreneBeryllium, TotalCHLOROBENZENECYANIDECadmiumCarbon tetrachlorideChromiumDi(2-ethylhexyl) adipateDi(2-ethylhexyl) phthalateEndothallEthylbenzeneGross Beta Particle ActivityHFPO-DALASSOMercuryMonobromoacetic acidNEtFOSAANFDHANMeFOSAAPFBSPFDAPFDoAPFEESAPFHpAPFHpSPFHxSPFMBAPFMPAPFNAPFOAPFOSPFPeSPFTAPFTrDAPFUnASeleniumStyreneTetrachloroethyleneThallium, TotalTolueneTrichloroethyleneVinyl chlorideXylenes, Totalcis-1,2-Dichloroethylenelithiumo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene