EAST ALTON
IL · PWS ID IL1190200 · Community water system
107
contaminants tested
30
detected
5,786
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFBA | 0.0160 ug/L | 2/2 | 2025 |
| PFBS | 0.0084 ug/L | 2/2 | 2025 |
| PFHxS | 0.0088 ug/L | 2/2 | 2025 |
| PFOA | 0.0160 ug/L | 2/2 | 2025 |
| PFOS | 0.0170 ug/L | 2/2 | 2025 |
| PFPeA | 0.0083 ug/L | 2/2 | 2025 |
| PFHpA | 0.0038 ug/L | 1/2 | 2025 |
| PFHxA | 0.0056 ug/L | 1/2 | 2025 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| COPPER, FREE | 140 UG/L | 35/40 | SYR4 | 2014–2017 |
| cis-1,2-Dichloroethylene | 4.9 UG/L | 33/33 | SYR4 | 2012–2019 |
| LEAD SUMMARY | 0.0092 mg/L | 16/16 | LCR | 2023 |
| trans-1,2-Dichloroethylene | 0.7300 UG/L | 16/33 | SYR4 | 2012–2019 |
| Nitrate | 60 UG/L | 14/16 | SYR4 | 2012–2019 |
| Lead | 210 UG/L | 11/40 | SYR4 | 2014–2017 |
| Bromodichloromethane | 8.367 UG/L | 8/8 | SYR4 | 2013–2019 |
| Bromoform | 21.3 UG/L | 8/8 | SYR4 | 2013–2019 |
| Chloroform | 7.252 UG/L | 8/8 | SYR4 | 2013–2019 |
| Dibromochloromethane | 11 UG/L | 8/8 | SYR4 | 2013–2019 |
| TTHM | 41 UG/L | 8/8 | SYR4 | 2013–2019 |
| Dibromoacetic acid | 3.66 UG/L | 3/8 | SYR4 | 2013–2019 |
| Total Haloacetic Acids (HAA5) | 5.2 UG/L | 3/8 | SYR4 | 2013–2019 |
| Arsenic | 1.8 UG/L | 2/2 | SYR4 | 2014–2017 |
| Barium | 44 UG/L | 2/2 | SYR4 | 2014–2017 |
| Chromium | 6.4 UG/L | 2/2 | SYR4 | 2014–2017 |
| Fluoride | 985 UG/L | 2/2 | SYR4 | 2014–2017 |
| lithium | 18 ug/L | 2/2 | UCMR-5 | 2025 |
| Carbon tetrachloride | 2.4 UG/L | 1/33 | SYR4 | 2012–2019 |
| Combined Radium (-226 and -228) | 0.8150 PCI/L | 1/1 | SYR4 | 2014 |
| Dichloroacetic Acid | 1.54 UG/L | 1/8 | SYR4 | 2013–2019 |
| Selenium | 3.7 UG/L | 1/2 | SYR4 | 2014–2017 |
77 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, TotalCHLOROBENZENECYANIDECadmiumCarbofuranChlordaneDICHLOROMETHANEDalaponDi(2-ethylhexyl) adipateDi(2-ethylhexyl) phthalateDinosebDiquatETHYLENE DIBROMIDEEndothallEndrinEthylbenzeneHEXACHLOROBENZENEHFPO-DAHeptachlorHeptachlor epoxideHexachlorocyclopentadieneLASSOMercuryMethoxychlorMonobromoacetic acidMonochloroacetic acidNEtFOSAANFDHANMeFOSAANitriteOXAMYLPFDAPFDoAPFEESAPFHpSPFMBAPFMPAPFNAPFPeSPFTAPFTrDAPFUnAPentachlorophenolPicloramSimazineStyreneTetrachloroethyleneThallium, TotalTolueneTotal Polychlorinated Biphenyls (PCB)ToxapheneTrichloroacetic AcidTrichloroethyleneVinyl chlorideXylenes, Totalo-Dichlorobenzenep-Dichlorobenzene
Areas served
EAST ALTON