O FALLON
IL · PWS ID IL1631100 · Community water system
44
contaminants tested
15
detected
46,603
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFBA | 0.0130 ug/L | 4/4 | 2024 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| Bromodichloromethane | 17.9 UG/L | 125/125 | SYR4 | 2012–2019 |
| Chloroform | 104.1 UG/L | 125/125 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 46.6 UG/L | 125/125 | SYR4 | 2012–2019 |
| TTHM | 120.4 UG/L | 125/125 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 92.5 UG/L | 125/125 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 59.7 UG/L | 125/125 | SYR4 | 2012–2019 |
| Dibromochloromethane | 3.3 UG/L | 57/125 | SYR4 | 2012–2019 |
| Monobromoacetic acid | 4.5 UG/L | 54/125 | SYR4 | 2012–2019 |
| COPPER, FREE | 758 UG/L | 51/60 | SYR4 | 2014–2017 |
| Monochloroacetic acid | 8 UG/L | 29/125 | SYR4 | 2012–2019 |
| Dibromoacetic acid | 2.9 UG/L | 20/125 | SYR4 | 2012–2019 |
| LEAD SUMMARY | 0.0250 mg/L | 19/19 | LCR | 2025 |
| Lead | 2 UG/L | 9/60 | SYR4 | 2014–2017 |
| lithium | 11.6 ug/L | 2/4 | UCMR-5 | 2024 |
29 contaminants tested, none detected
11Cl-PF3OUdS4:2 FTS6:2 FTS8:2 FTS9Cl-PF3ONSADONABromoformHFPO-DANEtFOSAANFDHANMeFOSAAPFBSPFDAPFDoAPFEESAPFHpAPFHpSPFHxAPFHxSPFMBAPFMPAPFNAPFOAPFOSPFPeAPFPeSPFTAPFTrDAPFUnA
Areas served
O FALLON