QUINCY
IL · PWS ID IL0010650 · Community water system
107
contaminants tested
21
detected
42,000
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFBA | 0.0135 ug/L | 4/4 | 2025 |
| PFBS | 0.0057 ug/L | 1/4 | 2025 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| Bromodichloromethane | 11.7 UG/L | 108/108 | SYR4 | 2012–2019 |
| Chloroform | 220 UG/L | 108/108 | SYR4 | 2012–2019 |
| TTHM | 230 UG/L | 108/108 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 72.7 UG/L | 108/108 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 18.9 UG/L | 104/108 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 53.8 UG/L | 99/108 | SYR4 | 2012–2019 |
| Dibromochloromethane | 3.243 UG/L | 75/108 | SYR4 | 2012–2019 |
| COPPER, FREE | 86 UG/L | 59/60 | SYR4 | 2014–2017 |
| Lead | 37 UG/L | 20/60 | SYR4 | 2014–2017 |
| LEAD SUMMARY | 0.0092 mg/L | 19/19 | LCR | 2025 |
| Monochloroacetic acid | 4.67 UG/L | 18/108 | SYR4 | 2012–2019 |
| Nitrate | 4500 UG/L | 16/16 | SYR4 | 2012–2019 |
| Monobromoacetic acid | 19.9 UG/L | 14/108 | SYR4 | 2012–2019 |
| Barium | 26 UG/L | 8/8 | SYR4 | 2012–2019 |
| Fluoride | 1000 UG/L | 8/8 | SYR4 | 2012–2019 |
| Nitrate-Nitrite | 2700 UG/L | 3/3 | SYR4 | 2012–2018 |
| Toluene | 1.2 UG/L | 2/14 | SYR4 | 2012–2019 |
| Arsenic | 1.3 UG/L | 1/8 | SYR4 | 2012–2019 |
| Selenium | 3.2 UG/L | 1/8 | SYR4 | 2012–2019 |
86 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 acidDinosebDiquatETHYLENE DIBROMIDEEndothallEndrinEthylbenzeneHEXACHLOROBENZENEHFPO-DAHeptachlorHeptachlor epoxideHexachlorocyclopentadieneLASSOMercuryMethoxychlorNEtFOSAANFDHANMeFOSAANitriteOXAMYLPFDAPFDoAPFEESAPFHpAPFHpSPFHxAPFHxSPFMBAPFMPAPFNAPFOAPFOSPFPeAPFPeSPFTAPFTrDAPFUnAPentachlorophenolPicloramSimazineStyreneTetrachloroethyleneThallium, TotalTotal Polychlorinated Biphenyls (PCB)ToxapheneTrichloroethyleneVinyl chlorideXylenes, Totalcis-1,2-Dichloroethylenelithiumo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene
Areas served
QUINCY