ROCK ISLAND
IL · PWS ID IL1610650 · Community water system
108
contaminants tested
18
detected
39,018
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 | 4/4 | 2023 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| Bromodichloromethane | 13.22 UG/L | 128/128 | SYR4 | 2012–2019 |
| Chloroform | 87.75 UG/L | 128/128 | SYR4 | 2012–2019 |
| TTHM | 101.65 UG/L | 128/128 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 74.9 UG/L | 128/128 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 32.7 UG/L | 128/128 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 44 UG/L | 126/128 | SYR4 | 2012–2019 |
| COPPER, FREE | 360 UG/L | 59/60 | SYR4 | 2014–2017 |
| Dibromochloromethane | 4.28 UG/L | 28/128 | SYR4 | 2012–2019 |
| Monobromoacetic acid | 19.6 UG/L | 19/128 | SYR4 | 2012–2019 |
| LEAD SUMMARY | 0.0140 mg/L | 18/18 | LCR | 2025 |
| Nitrate | 2600 UG/L | 18/18 | SYR4 | 2012–2019 |
| Monochloroacetic acid | 4.16 UG/L | 14/128 | SYR4 | 2012–2019 |
| Lead | 5.3 UG/L | 13/60 | SYR4 | 2014–2017 |
| Barium | 36 UG/L | 8/8 | SYR4 | 2012–2019 |
| Fluoride | 1230 UG/L | 8/8 | SYR4 | 2012–2019 |
| Nitrate-Nitrite | 2100 UG/L | 3/3 | SYR4 | 2012–2018 |
| Arsenic | 1.2 UG/L | 2/8 | SYR4 | 2012–2019 |
90 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 tetrachlorideChlordaneChromiumCombined Radium (-226 and -228)DICHLOROMETHANEDalaponDi(2-ethylhexyl) adipateDi(2-ethylhexyl) phthalateDibromoacetic acidDinosebDiquatETHYLENE DIBROMIDEEndothallEndrinEthylbenzeneHEXACHLOROBENZENEHFPO-DAHeptachlorHeptachlor epoxideHexachlorocyclopentadieneLASSOMercuryMethoxychlorNEtFOSAANFDHANMeFOSAANitriteOXAMYLPFBSPFDAPFDoAPFEESAPFHpAPFHpSPFHxAPFHxSPFMBAPFMPAPFNAPFOAPFOSPFPeAPFPeSPFTAPFTrDAPFUnAPentachlorophenolPicloramSeleniumSimazineStyreneTetrachloroethyleneThallium, TotalTolueneTotal Polychlorinated Biphenyls (PCB)ToxapheneTrichloroethyleneVinyl chlorideXylenes, Totalcis-1,2-Dichloroethylenelithiumo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene
Areas served
ROCK ISLAND