HAMILTON CITY OF
MT · PWS ID MT0000234 · Community water system
103
contaminants tested
19
detected
5,660
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFBS | 0.0031 ug/L | 1/8 | 2024 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| Nitrate-Nitrite | 3340 UG/L | 72/74 | SYR4 | 2012–2019 |
| COPPER, FREE | 1330 UG/L | 66/67 | SYR4 | 2013–2017 |
| Lead | 153 UG/L | 23/67 | SYR4 | 2013–2017 |
| LEAD SUMMARY | 0.0100 mg/L | 18/18 | LCR | 2023 |
| Bromodichloromethane | 3.8 UG/L | 12/18 | SYR4 | 2013–2019 |
| Chloroform | 36 UG/L | 12/18 | SYR4 | 2013–2019 |
| TTHM | 41 UG/L | 12/18 | SYR4 | 2013–2019 |
| Dichloroacetic Acid | 3.9 UG/L | 7/7 | SYR4 | 2013–2019 |
| Total Haloacetic Acids (HAA5) | 5.6 UG/L | 7/7 | SYR4 | 2013–2019 |
| Trichloroacetic Acid | 2.6 UG/L | 7/7 | SYR4 | 2013–2019 |
| Arsenic | 2 UG/L | 5/14 | SYR4 | 2013–2017 |
| Combined Radium (-226 and -228) | 4.7 PCI/L | 5/6 | SYR4 | 2013–2017 |
| Combined Uranium | 3 UG/L | 4/6 | SYR4 | 2013–2017 |
| Dibromochloromethane | 1.3 UG/L | 4/18 | SYR4 | 2013–2019 |
| Fluoride | 200 UG/L | 4/4 | SYR4 | 2013 |
| Gross Alpha, Excl. Radon and U | 4.1 PCI/L | 3/6 | SYR4 | 2013–2017 |
| Barium | 50 UG/L | 1/4 | SYR4 | 2013 |
| Dibromoacetic acid | 0.5700 UG/L | 1/7 | SYR4 | 2013–2019 |
84 contaminants tested, none detected
1,1,1-Trichloroethane1,1,2-Trichloroethane1,1-Dichloroethylene1,2,4-Trichlorobenzene1,2-Dichloroethane1,2-Dichloropropane11Cl-PF3OUdS2,4,5-TP2,4-D4:2 FTS6:2 FTS8:2 FTS9Cl-PF3ONSADONAAntimony, TotalAsbestosAtrazineBHC-GAMMABenzeneBenzo(a)pyreneBeryllium, TotalBromoformCHLOROBENZENECadmiumCarbofuranCarbon tetrachlorideChlordaneChromiumDICHLOROMETHANEDalaponDi(2-ethylhexyl) adipateDi(2-ethylhexyl) phthalateDinosebEndrinEthylbenzeneHEXACHLOROBENZENEHFPO-DAHeptachlorHeptachlor epoxideHexachlorocyclopentadieneLASSOMercuryMethoxychlorMonobromoacetic acidMonochloroacetic acidNEtFOSAANFDHANMeFOSAAOXAMYLPFBAPFDAPFDoAPFEESAPFHpAPFHpSPFHxAPFHxSPFMBAPFMPAPFNAPFOAPFOSPFPeAPFPeSPFTAPFTrDAPFUnAPentachlorophenolPicloramSeleniumSimazineStyreneTetrachloroethyleneThallium, TotalTolueneToxapheneTrichloroethyleneVinyl chlorideXylenes, Totalcis-1,2-Dichloroethylenelithiumo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene
Areas served
HAMILTON