ROCK ISLAND ARSENAL, US ARMY
IL · PWS ID IL1615387 · Community water system
108
contaminants tested
21
detected
7,800
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 |
| PFOA | 0.0046 ug/L | 1/4 | 2023 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| Chloroform | 85.35 UG/L | 57/57 | SYR4 | 2012–2019 |
| TTHM | 90.46 UG/L | 57/57 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 75.9 UG/L | 56/57 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 100.3 UG/L | 56/57 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 25.2 UG/L | 52/57 | SYR4 | 2012–2019 |
| Bromodichloromethane | 13.06 UG/L | 48/57 | SYR4 | 2012–2019 |
| COPPER, FREE | 400 UG/L | 36/40 | SYR4 | 2014–2017 |
| Nitrate | 2800 UG/L | 16/16 | SYR4 | 2012–2019 |
| LEAD SUMMARY | 0.0118 mg/L | 15/15 | LCR | 2023 |
| Lead | 14 UG/L | 15/40 | SYR4 | 2014–2017 |
| Monochloroacetic acid | 5.88 UG/L | 14/57 | SYR4 | 2012–2019 |
| Monobromoacetic acid | 11.1 UG/L | 10/57 | SYR4 | 2012–2019 |
| Barium | 23 UG/L | 8/8 | SYR4 | 2012–2019 |
| Nitrate-Nitrite | 2000 UG/L | 5/5 | SYR4 | 2012–2018 |
| Arsenic | 0.6170 UG/L | 2/8 | SYR4 | 2012–2019 |
| Bromoform | 5.324 UG/L | 2/57 | SYR4 | 2012–2019 |
| Dibromochloromethane | 11.46 UG/L | 2/57 | SYR4 | 2012–2019 |
| Combined Radium (-226 and -228) | 0.7520 PCI/L | 1/1 | SYR4 | 2014 |
| Dibromoacetic acid | 1 UG/L | 1/57 | SYR4 | 2012–2019 |
87 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, TotalCHLOROBENZENECYANIDECadmiumCarbofuranCarbon tetrachlorideChlordaneChromiumDICHLOROMETHANEDalaponDi(2-ethylhexyl) adipateDi(2-ethylhexyl) phthalateDinosebDiquatETHYLENE DIBROMIDEEndothallEndrinEthylbenzeneFluorideHEXACHLOROBENZENEHFPO-DAHeptachlorHeptachlor epoxideHexachlorocyclopentadieneLASSOMercuryMethoxychlorNEtFOSAANFDHANMeFOSAANitriteOXAMYLPFBSPFDAPFDoAPFEESAPFHpAPFHpSPFHxAPFHxSPFMBAPFMPAPFNAPFOSPFPeAPFPeSPFTAPFTrDAPFUnAPentachlorophenolPicloramSeleniumSimazineStyreneTetrachloroethyleneThallium, TotalTolueneTotal Polychlorinated Biphenyls (PCB)ToxapheneTrichloroethyleneVinyl chlorideXylenes, Totalcis-1,2-Dichloroethylenelithiumo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene