TRI-COUNTY WATER DISTRICT
ND · PWS ID ND3201072 · Community water system
67
contaminants tested
22
detected
2,501
people served
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| COPPER, FREE | 442 UG/L | 30/30 | SYR4 | 2012–2018 |
| Lead | 7.24 UG/L | 24/30 | SYR4 | 2012–2018 |
| LEAD SUMMARY | 0.0070 mg/L | 15/15 | LCR | 2024 |
| Nitrate-Nitrite | 2800 UG/L | 9/9 | SYR4 | 2012–2019 |
| Bromodichloromethane | 9.7 UG/L | 7/7 | SYR4 | 2014–2019 |
| Chloroform | 9.16 UG/L | 7/7 | SYR4 | 2014–2019 |
| Dibromochloromethane | 6.89 UG/L | 7/7 | SYR4 | 2014–2019 |
| Dichloroacetic Acid | 4.38 UG/L | 7/7 | SYR4 | 2014–2019 |
| TTHM | 26.76 UG/L | 7/7 | SYR4 | 2014–2019 |
| Total Haloacetic Acids (HAA5) | 9.3 UG/L | 7/7 | SYR4 | 2014–2019 |
| Dibromoacetic acid | 2.54 UG/L | 6/7 | SYR4 | 2014–2019 |
| Trichloroacetic Acid | 2.38 UG/L | 6/7 | SYR4 | 2014–2019 |
| Nitrate | 2800 UG/L | 4/4 | SYR4 | 2014–2017 |
| Bromoform | 1.01 UG/L | 3/7 | SYR4 | 2014–2019 |
| Combined Radium (-226 and -228) | 3.04 PCI/L | 3/3 | SYR4 | 2012–2018 |
| Combined Uranium | 4.35 UG/L | 3/3 | SYR4 | 2012–2018 |
| Gross Alpha, Excl. Radon and U | 6.87 PCI/L | 2/3 | SYR4 | 2012–2018 |
| Arsenic | 1.33 UG/L | 1/1 | SYR4 | 2016 |
| Barium | 52.4 UG/L | 1/1 | SYR4 | 2017 |
| Chromium | 3.17 UG/L | 1/1 | SYR4 | 2017 |
| Fluoride | 586 UG/L | 1/1 | SYR4 | 2017 |
| Selenium | 1.2 UG/L | 1/1 | SYR4 | 2017 |
45 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, TotalCHLOROBENZENECadmiumCarbon tetrachlorideChlordaneDICHLOROMETHANEDalaponDinosebEndrinEthylbenzeneHeptachlorHeptachlor epoxideLASSOMercuryMethoxychlorMonobromoacetic acidMonochloroacetic acidNitritePentachlorophenolPicloramSimazineStyreneTetrachloroethyleneThallium, TotalTolueneToxapheneTrichloroethyleneVinyl chlorideXylenes, Totalcis-1,2-Dichloroethyleneo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene
Areas served
LAKOTA