OTTAWA, CITY OF
KS · PWS ID KS2005906 · Community water system
92
contaminants tested
23
detected
12,604
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFBA | 0.0067 ug/L | 1/4 | 2025 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| Bromodichloromethane | 46 UG/L | 128/128 | SYR4 | 2012–2019 |
| Chloroform | 140 UG/L | 128/128 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 80 UG/L | 128/128 | SYR4 | 2012–2019 |
| TTHM | 200 UG/L | 128/128 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 110 UG/L | 128/128 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 49 UG/L | 128/128 | SYR4 | 2012–2019 |
| Dibromochloromethane | 20 UG/L | 124/128 | SYR4 | 2012–2019 |
| Dibromoacetic acid | 5 UG/L | 115/128 | SYR4 | 2012–2019 |
| Monochloroacetic acid | 17 UG/L | 90/128 | SYR4 | 2012–2019 |
| COPPER, FREE | 110 UG/L | 68/68 | SYR4 | 2012–2019 |
| Monobromoacetic acid | 3.6 UG/L | 58/128 | SYR4 | 2012–2019 |
| Fluoride | 930 UG/L | 40/40 | SYR4 | 2012–2019 |
| Nitrate | 390 UG/L | 26/30 | SYR4 | 2012–2019 |
| Bromoform | 2.7 UG/L | 18/128 | SYR4 | 2012–2019 |
| Lead | 12 UG/L | 16/68 | SYR4 | 2012–2019 |
| LEAD SUMMARY | 0.0058 mg/L | 13/13 | LCR | 2023 |
| Atrazine | 2 UG/L | 8/8 | SYR4 | 2012–2019 |
| Barium | 53 UG/L | 8/8 | SYR4 | 2012–2019 |
| Chromium | 1.4 UG/L | 3/8 | SYR4 | 2012–2019 |
| Selenium | 1.7 UG/L | 3/8 | SYR4 | 2012–2019 |
| Arsenic | 1.3 UG/L | 1/8 | SYR4 | 2012–2019 |
| Toluene | 0.8100 UG/L | 1/3 | SYR4 | 2013–2017 |
69 contaminants tested, none detected
1,1,1-Trichloroethane1,1,2-Trichloroethane1,1-Dichloroethylene1,2,4-Trichlorobenzene1,2-DIBROMO-3-CHLOROPROPANE1,2-Dichloroethane1,2-Dichloropropane11Cl-PF3OUdS4:2 FTS6:2 FTS8:2 FTS9Cl-PF3ONSADONAAntimony, TotalBHC-GAMMABenzeneBeryllium, TotalCHLOROBENZENECadmiumCarbofuranCarbon tetrachlorideChlordaneCombined Radium (-226 and -228)DICHLOROMETHANEETHYLENE DIBROMIDEEndrinEthylbenzeneHEXACHLOROBENZENEHFPO-DAHeptachlorHeptachlor epoxideHexachlorocyclopentadieneLASSOMercuryMethoxychlorNEtFOSAANFDHANMeFOSAAPFBSPFDAPFDoAPFEESAPFHpAPFHpSPFHxAPFHxSPFMBAPFMPAPFNAPFOAPFOSPFPeAPFPeSPFTAPFTrDAPFUnASimazineStyreneTetrachloroethyleneThallium, TotalToxapheneTrichloroethyleneVinyl chlorideXylenes, Totalcis-1,2-Dichloroethylenelithiumo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene
Areas served
OTTAWA