EAST HELENA CITY OF
MT · PWS ID MT0000196 · Community water system
73
contaminants tested
19
detected
2,114
people served
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| Nitrate-Nitrite | 863 UG/L | 36/36 | SYR4 | 2012–2019 |
| COPPER, FREE | 810 UG/L | 30/30 | SYR4 | 2012–2018 |
| LEAD SUMMARY | 0.0070 mg/L | 21/21 | LCR | 2025 |
| TTHM | 9.1 UG/L | 13/17 | SYR4 | 2013–2019 |
| Lead | 3 UG/L | 12/30 | SYR4 | 2012–2018 |
| Total Haloacetic Acids (HAA5) | 5.4 UG/L | 12/13 | SYR4 | 2013–2019 |
| Dibromochloromethane | 2.3 UG/L | 10/17 | SYR4 | 2013–2019 |
| Bromodichloromethane | 2.8 UG/L | 9/17 | SYR4 | 2013–2019 |
| Dibromoacetic acid | 0.7700 UG/L | 9/13 | SYR4 | 2013–2019 |
| Chloroform | 3.65 UG/L | 7/17 | SYR4 | 2013–2019 |
| Dichloroacetic Acid | 3.4 UG/L | 5/13 | SYR4 | 2013–2019 |
| Trichloroacetic Acid | 2 UG/L | 5/13 | SYR4 | 2013–2019 |
| Fluoride | 300 UG/L | 4/5 | SYR4 | 2012–2017 |
| Barium | 36 UG/L | 3/5 | SYR4 | 2012–2017 |
| Gross Alpha, Excl. Radon and U | 1.5 PCI/L | 2/2 | SYR4 | 2017 |
| Arsenic | 1 UG/L | 1/9 | SYR4 | 2012–2017 |
| Bromoform | 0.6200 UG/L | 1/17 | SYR4 | 2013–2019 |
| Combined Uranium | 2 UG/L | 1/2 | SYR4 | 2017 |
| Selenium | 1 UG/L | 1/5 | SYR4 | 2012–2017 |
54 contaminants tested, none detected
1,1,1-Trichloroethane1,1,2-Trichloroethane1,1-Dichloroethylene1,2,4-Trichlorobenzene1,2-Dichloroethane1,2-Dichloropropane2,4,5-TP2,4-DAntimony, TotalAsbestosAtrazineBHC-GAMMABenzeneBenzo(a)pyreneBeryllium, TotalCHLOROBENZENECadmiumCarbofuranCarbon tetrachlorideChlordaneChromiumCombined Radium (-226 and -228)DICHLOROMETHANEDalaponDi(2-ethylhexyl) adipateDi(2-ethylhexyl) phthalateDinosebEndrinEthylbenzeneHEXACHLOROBENZENEHeptachlorHeptachlor epoxideHexachlorocyclopentadieneLASSOMercuryMethoxychlorMonobromoacetic acidMonochloroacetic acidOXAMYLPentachlorophenolPicloramSimazineStyreneTetrachloroethyleneThallium, TotalTolueneToxapheneTrichloroethyleneVinyl chlorideXylenes, Totalcis-1,2-Dichloroethyleneo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene
Areas served
HELENA