MADISON WATER DEPARTMENT
IN · PWS ID IN5239006 · Community water system
101
contaminants tested
17
detected
15,323
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFBS | 0.0085 ug/L | 6/6 | 2024 |
| PFOA | 0.0046 ug/L | 2/6 | 2024 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| TTHM | 47.1 UG/L | 111/114 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 19.7 UG/L | 105/114 | SYR4 | 2012–2019 |
| Nitrate | 2260 UG/L | 32/32 | SYR4 | 2012–2019 |
| COPPER, FREE | 492 UG/L | 30/30 | SYR4 | 2017 |
| LEAD SUMMARY | 0.0075 mg/L | 15/15 | LCR | 2023 |
| Lead | 10.7 UG/L | 15/30 | SYR4 | 2017 |
| Fluoride | 773 UG/L | 4/4 | SYR4 | 2014–2017 |
| Bromodichloromethane | 0.9000 UG/L | 2/2 | SYR4 | 2014 |
| Chloroform | 1.2 UG/L | 2/2 | SYR4 | 2014 |
| Dibromochloromethane | 1.2 UG/L | 2/2 | SYR4 | 2014 |
| Gross Alpha, Excl. Radon and U | 1.57 PCI/L | 2/2 | SYR4 | 2015–2017 |
| Selenium | 1.1 UG/L | 2/4 | SYR4 | 2014–2017 |
| Arsenic | 1.4 UG/L | 1/4 | SYR4 | 2014–2017 |
| Barium | 98 UG/L | 1/4 | SYR4 | 2014–2017 |
| Chromium | 2 UG/L | 1/4 | SYR4 | 2014–2017 |
84 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 tetrachlorideChlordaneDICHLOROMETHANEDalaponDi(2-ethylhexyl) adipateDi(2-ethylhexyl) phthalateDinosebDiquatETHYLENE DIBROMIDEEndothallEndrinEthylbenzeneGlyphosateHEXACHLOROBENZENEHFPO-DAHeptachlorHeptachlor epoxideHexachlorocyclopentadieneLASSOMercuryMethoxychlorNEtFOSAANFDHANMeFOSAAOXAMYLPFBAPFDAPFDoAPFEESAPFHpAPFHpSPFHxAPFHxSPFMBAPFMPAPFNAPFOSPFPeAPFPeSPFTAPFTrDAPFUnAPentachlorophenolPicloramSimazineStyreneTetrachloroethyleneThallium, TotalTolueneToxapheneTrichloroethyleneVinyl chlorideXylenes, Totalcis-1,2-Dichloroethylenelithiumo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene
Areas served
MADISON