Monticello
MN · PWS ID MN1860012 · Community water system
101
contaminants tested
16
detected
15,087
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFBA | 0.0062 ug/L | 3/8 | 2025 |
| PFHxS | 0.0058 ug/L | 2/8 | 2025 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| COPPER, FREE | 1280 UG/L | 90/90 | SYR4 | 2013–2019 |
| Lead | 51 UG/L | 60/90 | SYR4 | 2013–2019 |
| Nitrate-Nitrite | 1200 UG/L | 38/64 | SYR4 | 2012–2019 |
| Fluoride | 1300 UG/L | 34/34 | SYR4 | 2012–2019 |
| Chloroform | 6.6 UG/L | 31/37 | SYR4 | 2012–2019 |
| Bromodichloromethane | 5.9 UG/L | 29/36 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 3.2 UG/L | 28/29 | SYR4 | 2012–2019 |
| Dibromochloromethane | 3.3 UG/L | 17/36 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 2.9 UG/L | 17/29 | SYR4 | 2012–2019 |
| LEAD SUMMARY | 0.0090 mg/L | 14/14 | LCR | 2025 |
| Barium | 395 UG/L | 4/4 | SYR4 | 2013–2017 |
| Arsenic | 7.44 UG/L | 2/4 | SYR4 | 2013–2017 |
| lithium | 10.3 ug/L | 2/8 | UCMR-5 | 2025 |
| Gross Alpha, Excl. Radon and U | 7 PCI/L | 1/5 | SYR4 | 2016–2019 |
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, TotalAtrazineBHC-GAMMABenzeneBenzo(a)pyreneBeryllium, TotalBromoformCHLOROBENZENECYANIDECadmiumCarbofuranCarbon tetrachlorideChlordaneChromiumDICHLOROMETHANEDalaponDi(2-ethylhexyl) adipateDi(2-ethylhexyl) phthalateDibromoacetic acidDinosebETHYLENE DIBROMIDEEndrinEthylbenzeneGlyphosateHEXACHLOROBENZENEHFPO-DAHeptachlorHeptachlor epoxideHexachlorocyclopentadieneLASSOMercuryMethoxychlorMonobromoacetic acidMonochloroacetic acidNEtFOSAANFDHANMeFOSAAOXAMYLPFBSPFDAPFDoAPFEESAPFHpAPFHpSPFHxAPFMBAPFMPAPFNAPFOAPFOSPFPeAPFPeSPFTAPFTrDAPFUnAPentachlorophenolPicloramSeleniumSimazineStyreneTetrachloroethyleneThallium, TotalTolueneToxapheneTrichloroethyleneVinyl chloridecis-1,2-Dichloroethyleneo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene