OAK FOREST
IL · PWS ID IL0312190 · Community water system
44
contaminants tested
15
detected
27,478
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFBA | 0.0093 ug/L | 1/4 | 2024 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| Bromodichloromethane | 16.9 UG/L | 103/103 | SYR4 | 2012–2019 |
| Chloroform | 43.8 UG/L | 103/103 | SYR4 | 2012–2019 |
| Dibromochloromethane | 8.45 UG/L | 103/103 | SYR4 | 2012–2019 |
| TTHM | 69.2 UG/L | 103/103 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 28.7 UG/L | 102/103 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 13.1 UG/L | 102/103 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 17.5 UG/L | 68/103 | SYR4 | 2012–2019 |
| COPPER, FREE | 500 UG/L | 58/60 | SYR4 | 2014–2017 |
| Dibromoacetic acid | 2 UG/L | 57/103 | SYR4 | 2012–2019 |
| Bromoform | 3.45 UG/L | 23/103 | SYR4 | 2012–2019 |
| Lead | 18 UG/L | 20/60 | SYR4 | 2014–2017 |
| LEAD SUMMARY | 0.0120 mg/L | 16/16 | LCR | 2025 |
| Monobromoacetic acid | 2.73 UG/L | 6/103 | SYR4 | 2012–2019 |
| Monochloroacetic acid | 8.98 UG/L | 2/103 | SYR4 | 2012–2019 |
29 contaminants tested, none detected
11Cl-PF3OUdS4:2 FTS6:2 FTS8:2 FTS9Cl-PF3ONSADONAHFPO-DANEtFOSAANFDHANMeFOSAAPFBSPFDAPFDoAPFEESAPFHpAPFHpSPFHxAPFHxSPFMBAPFMPAPFNAPFOAPFOSPFPeAPFPeSPFTAPFTrDAPFUnAlithium
Areas served
OAK FOREST