OTTAWA COUNTY REGIONAL WATER DISTRICT
OH · PWS ID OH6205011 · Community water system
83
contaminants tested
21
detected
20,428
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFHxA | 0.0066 ug/L | 2/4 | 2023 |
| PFBA | 0.0073 ug/L | 1/4 | 2023 |
| PFPeA | 0.0045 ug/L | 1/4 | 2023 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| Nitrate | 5090 UG/L | 168/194 | SYR4 | 2012–2019 |
| Chloroform | 84.2 UG/L | 141/141 | SYR4 | 2012–2019 |
| Bromodichloromethane | 18.9 UG/L | 140/140 | SYR4 | 2012–2019 |
| Dibromochloromethane | 10.8 UG/L | 139/139 | SYR4 | 2012–2019 |
| TTHM | 103 UG/L | 133/133 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 54.7 UG/L | 133/133 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 35.3 UG/L | 132/133 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 24.2 UG/L | 132/132 | SYR4 | 2012–2019 |
| COPPER, FREE | 925 UG/L | 90/92 | SYR4 | 2013–2019 |
| Nitrate-Nitrite | 5120 UG/L | 84/97 | SYR4 | 2012–2019 |
| Dibromoacetic acid | 3.8 UG/L | 77/130 | SYR4 | 2012–2019 |
| Bromoform | 2.3 UG/L | 44/136 | SYR4 | 2012–2019 |
| LEAD SUMMARY | 0.0110 mg/L | 15/15 | LCR | 2025 |
| Monochloroacetic acid | 6 UG/L | 15/133 | SYR4 | 2012–2019 |
| Barium | 27 UG/L | 9/9 | SYR4 | 2012–2019 |
| Fluoride | 1110 UG/L | 9/9 | SYR4 | 2012–2019 |
| Lead | 54 UG/L | 6/92 | SYR4 | 2013–2019 |
| Nitrite | 100 UG/L | 1/97 | SYR4 | 2012–2019 |
62 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, TotalArsenicAtrazineBenzeneBeryllium, TotalCHLOROBENZENECYANIDECadmiumCarbon tetrachlorideChromiumDICHLOROMETHANEEthylbenzeneGross Beta Particle ActivityHFPO-DALASSOMercuryMonobromoacetic acidNEtFOSAANFDHANMeFOSAAPFBSPFDAPFDoAPFEESAPFHpAPFHpSPFHxSPFMBAPFMPAPFNAPFOAPFOSPFPeSPFTAPFTrDAPFUnASeleniumSimazineStyreneTetrachloroethyleneThallium, TotalTolueneTrichloroethyleneVinyl chlorideXylenes, Totalcis-1,2-Dichloroethylenelithiumo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene