HELENA
OK · PWS ID OK2000210 · Community water system
70
contaminants tested
23
detected
443
people served
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| COPPER, FREE | 404 UG/L | 38/50 | SYR4 | 2012–2017 |
| Bromoform | 18 UG/L | 20/20 | SYR4 | 2012–2019 |
| Dibromochloromethane | 16.3 UG/L | 20/20 | SYR4 | 2012–2019 |
| LEAD SUMMARY | 0.0400 mg/L | 19/19 | LCR | 2023 |
| Nitrate-Nitrite | 7130 UG/L | 16/16 | SYR4 | 2012–2019 |
| Combined Uranium | 6.93 UG/L | 11/11 | SYR4 | 2013–2019 |
| Combined Radium (-226 and -228) | 2.41 PCI/L | 10/11 | SYR4 | 2013–2019 |
| Gross Alpha, Excl. Radon and U | 7.1 PCI/L | 10/11 | SYR4 | 2013–2019 |
| Gross Beta Particle Activity | 7.28 PCI/L | 10/11 | SYR4 | 2013–2019 |
| Bromodichloromethane | 6.99 UG/L | 8/20 | SYR4 | 2012–2019 |
| TTHM | 43.12 UG/L | 6/6 | SYR4 | 2012–2019 |
| Dibromoacetic acid | 2.96 UG/L | 5/5 | SYR4 | 2012–2018 |
| Total Haloacetic Acids (HAA5) | 20 UG/L | 5/5 | SYR4 | 2012–2018 |
| Barium | 364 UG/L | 2/2 | SYR4 | 2016–2017 |
| Dichloroacetic Acid | 13.2 UG/L | 2/5 | SYR4 | 2012–2018 |
| Fluoride | 300 UG/L | 2/2 | SYR4 | 2016–2017 |
| Atrazine | 0.5630 UG/L | 1/3 | SYR4 | 2012–2017 |
| Chloroform | 1.83 UG/L | 1/20 | SYR4 | 2012–2019 |
| DICHLOROMETHANE | 0.5100 UG/L | 1/15 | SYR4 | 2014–2019 |
| Lead | 17 UG/L | 1/50 | SYR4 | 2012–2017 |
| Monochloroacetic acid | 2.7 UG/L | 1/5 | SYR4 | 2012–2018 |
| Selenium | 6.8 UG/L | 1/2 | SYR4 | 2016–2017 |
| Trichloroacetic Acid | 3.06 UG/L | 1/5 | SYR4 | 2012–2018 |
47 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, TotalArsenicBHC-GAMMABenzeneBenzo(a)pyreneBeryllium, TotalCHLOROBENZENECadmiumCarbon tetrachlorideChromiumDalaponDi(2-ethylhexyl) adipateDi(2-ethylhexyl) phthalateDinosebEndrinEthylbenzeneGlyphosateHEXACHLOROBENZENEHeptachlorHeptachlor epoxideHexachlorocyclopentadieneLASSOMercuryMethoxychlorMonobromoacetic acidPentachlorophenolPicloramSimazineStyreneTetrachloroethyleneThallium, TotalTolueneTrichloroethyleneVinyl chlorideXylenes, Totalcis-1,2-Dichloroethyleneo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene