GRAND PORTAGE
MN · PWS ID 055294101 · Community water system
73
contaminants tested
13
detected
820
people served
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| COPPER, FREE | 278 UG/L | 50/50 | SYR4 | 2014–2019 |
| Lead | 202 UG/L | 28/50 | SYR4 | 2014–2019 |
| TTHM | 24.8 UG/L | 19/19 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 18 UG/L | 19/19 | SYR4 | 2012–2019 |
| LEAD SUMMARY | 0.1220 mg/L | 16/16 | LCR | 2025 |
| Nitrate | 430 UG/L | 10/16 | SYR4 | 2012–2019 |
| Barium | 10.5 UG/L | 6/7 | SYR4 | 2012–2019 |
| Nitrate-Nitrite | 430 UG/L | 6/8 | SYR4 | 2012–2019 |
| Combined Radium (-226 and -228) | 1.11 PCI/L | 2/2 | SYR4 | 2016–2019 |
| Fluoride | 100 UG/L | 2/9 | SYR4 | 2012–2019 |
| Gross Alpha, Excl. Radon and U | 1.55 PCI/L | 2/3 | SYR4 | 2016–2019 |
| Antimony, Total | 0.0400 UG/L | 1/7 | SYR4 | 2012–2019 |
| Arsenic | 0.5700 UG/L | 1/6 | SYR4 | 2013–2019 |
60 contaminants tested, none detected
1,1,1-Trichloroethane1,1,2-Trichloroethane1,1-Dichloroethylene1,2,4-Trichlorobenzene1,2-DIBROMO-3-CHLOROPROPANE1,2-Dichloroethane1,2-Dichloropropane2,3,7,8-TCDD2,4,5-TP2,4-DAsbestosAtrazineBHC-GAMMABenzeneBenzo(a)pyreneBeryllium, TotalCHLOROBENZENECYANIDECadmiumCarbofuranCarbon tetrachlorideChlordaneChromiumDICHLOROMETHANEDalaponDi(2-ethylhexyl) adipateDi(2-ethylhexyl) phthalateDinosebDiquatETHYLENE DIBROMIDEEndothallEndrinEthylbenzeneGlyphosateHEXACHLOROBENZENEHeptachlorHeptachlor epoxideHexachlorocyclopentadieneLASSOMercuryMethoxychlorNitriteOXAMYLPentachlorophenolPicloramSeleniumSimazineStyreneTetrachloroethyleneThallium, TotalTolueneTotal Polychlorinated Biphenyls (PCB)ToxapheneTrichloroethyleneVinyl chlorideXylenes, Totalcis-1,2-Dichloroethyleneo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene