RYAN DAM WATER SYSTEM
MT · PWS ID MT0000046 · Community water system
73
contaminants tested
9
detected
230
people served
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| LEAD SUMMARY | 0.0220 mg/L | 22/22 | LCR | 2025 |
| COPPER, FREE | 68 UG/L | 20/20 | SYR4 | 2012–2019 |
| Nitrate-Nitrite | 150 UG/L | 20/20 | SYR4 | 2012–2019 |
| Lead | 9 UG/L | 9/20 | SYR4 | 2012–2019 |
| TTHM | 1.3 UG/L | 6/9 | SYR4 | 2012–2019 |
| Fluoride | 700 UG/L | 3/3 | SYR4 | 2013–2019 |
| Bromoform | 0.5800 UG/L | 1/9 | SYR4 | 2012–2019 |
| Combined Uranium | 1 UG/L | 1/1 | SYR4 | 2017 |
| Gross Alpha, Excl. Radon and U | 2 PCI/L | 1/1 | SYR4 | 2017 |
64 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, TotalArsenicAsbestosAtrazineBHC-GAMMABariumBenzeneBenzo(a)pyreneBeryllium, TotalBromodichloromethaneCHLOROBENZENECadmiumCarbofuranCarbon tetrachlorideChlordaneChloroformChromiumCombined Radium (-226 and -228)DICHLOROMETHANEDalaponDi(2-ethylhexyl) adipateDi(2-ethylhexyl) phthalateDibromoacetic acidDibromochloromethaneDichloroacetic AcidDinosebEndrinEthylbenzeneHEXACHLOROBENZENEHeptachlorHeptachlor epoxideHexachlorocyclopentadieneLASSOMercuryMethoxychlorMonobromoacetic acidMonochloroacetic acidOXAMYLPentachlorophenolPicloramSeleniumSimazineStyreneTetrachloroethyleneThallium, TotalTolueneTotal Haloacetic Acids (HAA5)ToxapheneTrichloroacetic AcidTrichloroethyleneVinyl chlorideXylenes, Totalcis-1,2-Dichloroethyleneo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene
Areas served
GREAT FALLS