ONALASKA WATERWORKS
WI · PWS ID WI6320327 · Community water system
74
contaminants tested
26
detected
18,000
people served
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| Nitrate | 9950 UG/L | 216/218 | SYR4 | 2012–2019 |
| Fluoride | 861 UG/L | 104/199 | SYR4 | 2012–2019 |
| COPPER, FREE | 1660 UG/L | 59/61 | SYR4 | 2014–2017 |
| Chloroform | 3.77 UG/L | 22/43 | SYR4 | 2012–2019 |
| Monochloroacetic acid | 113 UG/L | 22/22 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 116.193 UG/L | 22/22 | SYR4 | 2012–2019 |
| Bromodichloromethane | 4.07 UG/L | 21/43 | SYR4 | 2012–2019 |
| Lead | 6 UG/L | 20/61 | SYR4 | 2014–2017 |
| TTHM | 11.655 UG/L | 20/20 | SYR4 | 2012–2019 |
| LEAD SUMMARY | 0.0070 mg/L | 19/19 | LCR | 2023 |
| Dibromochloromethane | 3.29 UG/L | 14/43 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 2.32 UG/L | 14/22 | SYR4 | 2012–2019 |
| Barium | 107 UG/L | 9/9 | SYR4 | 2014–2017 |
| Dibromoacetic acid | 1.09 UG/L | 9/22 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 3.03 UG/L | 9/22 | SYR4 | 2012–2019 |
| Nitrate-Nitrite | 9950 UG/L | 9/9 | SYR4 | 2014–2017 |
| Tetrachloroethylene | 0.6960 UG/L | 7/23 | SYR4 | 2014–2019 |
| Bromoform | 1.17 UG/L | 6/43 | SYR4 | 2012–2019 |
| Combined Radium (-226 and -228) | 3.25 PCI/L | 5/5 | SYR4 | 2014–2017 |
| Gross Alpha, Excl. Radon and U | 2.8 PCI/L | 4/4 | SYR4 | 2014 |
| Arsenic | 1 UG/L | 3/9 | SYR4 | 2014–2017 |
| Mercury | 0.4000 UG/L | 2/9 | SYR4 | 2014–2017 |
| Monobromoacetic acid | 0.5000 UG/L | 2/22 | SYR4 | 2012–2019 |
| Combined Uranium | 0.5000 UG/L | 1/1 | SYR4 | 2017 |
| Selenium | 0.6000 UG/L | 1/9 | SYR4 | 2014–2017 |
| Thallium, Total | 0.5000 UG/L | 1/9 | SYR4 | 2014–2017 |
48 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, TotalAtrazineBHC-GAMMABenzeneBeryllium, TotalCHLOROBENZENECadmiumCarbofuranCarbon tetrachlorideChlordaneChromiumDICHLOROMETHANEDalaponDinosebDiquatEndothallEndrinEthylbenzeneGlyphosateHEXACHLOROBENZENEHeptachlorHeptachlor epoxideHexachlorocyclopentadieneLASSOMethoxychlorNitriteOXAMYLPentachlorophenolPicloramSimazineStyreneTolueneToxapheneTrichloroethyleneVinyl chlorideXylenes, Totalcis-1,2-Dichloroethyleneo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene
Areas served
ONALASKA