Big Lake
MN · PWS ID MN1710002 · Community water system
101
contaminants tested
16
detected
13,056
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFBA | 0.0155 ug/L | 4/4 | 2024 |
| PFPeA | 0.0033 ug/L | 1/4 | 2024 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| COPPER, FREE | 550 UG/L | 79/80 | SYR4 | 2013–2019 |
| Lead | 129 UG/L | 41/80 | SYR4 | 2013–2019 |
| Nitrate-Nitrite | 6000 UG/L | 38/38 | SYR4 | 2012–2019 |
| Fluoride | 1200 UG/L | 33/33 | SYR4 | 2012–2019 |
| Bromodichloromethane | 5.4 UG/L | 16/16 | SYR4 | 2013–2019 |
| Chloroform | 6 UG/L | 16/16 | SYR4 | 2013–2019 |
| Dibromoacetic acid | 1.7 UG/L | 16/16 | SYR4 | 2013–2019 |
| Dibromochloromethane | 4.2 UG/L | 16/16 | SYR4 | 2013–2019 |
| Dichloroacetic Acid | 2.6 UG/L | 16/16 | SYR4 | 2013–2019 |
| Bromoform | 1.3 UG/L | 15/16 | SYR4 | 2013–2019 |
| Trichloroacetic Acid | 1.7 UG/L | 12/16 | SYR4 | 2013–2019 |
| LEAD SUMMARY | 0.0040 mg/L | 8/8 | LCR | 2025 |
| Gross Alpha, Excl. Radon and U | 14 PCI/L | 6/6 | SYR4 | 2013–2019 |
| Barium | 62.8 UG/L | 1/1 | SYR4 | 2017 |
85 contaminants tested, none detected
1,1,1-Trichloroethane1,1,2-Trichloroethane1,1-Dichloroethylene1,2,4-Trichlorobenzene1,2-DIBROMO-3-CHLOROPROPANE1,2-Dichloroethane1,2-Dichloropropane11Cl-PF3OUdS2,4,5-TP2,4-D4:2 FTS6:2 FTS8:2 FTS9Cl-PF3ONSADONAAntimony, TotalArsenicAtrazineBHC-GAMMABenzeneBenzo(a)pyreneBeryllium, TotalCHLOROBENZENECYANIDECadmiumCarbofuranCarbon tetrachlorideChlordaneChromiumDICHLOROMETHANEDalaponDi(2-ethylhexyl) adipateDi(2-ethylhexyl) phthalateDinosebETHYLENE DIBROMIDEEndrinEthylbenzeneGlyphosateHEXACHLOROBENZENEHFPO-DAHeptachlorHeptachlor epoxideHexachlorocyclopentadieneLASSOMercuryMethoxychlorMonobromoacetic acidMonochloroacetic acidNEtFOSAANFDHANMeFOSAAOXAMYLPFBSPFDAPFDoAPFEESAPFHpAPFHpSPFHxAPFHxSPFMBAPFMPAPFNAPFOAPFOSPFPeSPFTAPFTrDAPFUnAPentachlorophenolPicloramSeleniumSimazineStyreneTetrachloroethyleneThallium, TotalTolueneToxapheneTrichloroethyleneVinyl chloridecis-1,2-Dichloroethylenelithiumo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene