EJ WATER COOPERATIVE
IL · PWS ID IL0790010 · Community water system
109
contaminants tested
25
detected
29,720
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFBA | 0.0062 ug/L | 1/16 | 2025 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| COPPER, FREE | 810 UG/L | 285/293 | SYR4 | 2012–2019 |
| Chlorite | 1100 UG/L | 141/151 | SYR4 | 2012–2019 |
| Lead | 36 UG/L | 129/293 | SYR4 | 2012–2019 |
| Bromodichloromethane | 9.74 UG/L | 116/116 | SYR4 | 2012–2019 |
| Chloroform | 57.4 UG/L | 116/116 | SYR4 | 2012–2019 |
| TTHM | 67 UG/L | 116/116 | SYR4 | 2012–2019 |
| Dibromochloromethane | 6.72 UG/L | 110/116 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 37.4 UG/L | 102/116 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 23.7 UG/L | 97/116 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 13.7 UG/L | 80/116 | SYR4 | 2012–2019 |
| LEAD SUMMARY | 0.0120 mg/L | 57/57 | LCR | 2026 |
| Nitrate | 1800 UG/L | 30/44 | SYR4 | 2012–2019 |
| Dibromoacetic acid | 2.18 UG/L | 27/116 | SYR4 | 2012–2019 |
| Bromoform | 2.3 UG/L | 22/116 | SYR4 | 2012–2019 |
| Monobromoacetic acid | 18.2 UG/L | 22/116 | SYR4 | 2012–2019 |
| Barium | 320 UG/L | 16/16 | SYR4 | 2012–2019 |
| Combined Radium (-226 and -228) | 1.4 PCI/L | 12/12 | SYR4 | 2012–2015 |
| Fluoride | 978 UG/L | 10/16 | SYR4 | 2012–2019 |
| Arsenic | 1.3 UG/L | 6/16 | SYR4 | 2012–2019 |
| Atrazine | 0.5900 UG/L | 5/33 | SYR4 | 2012–2019 |
| Simazine | 1.1 UG/L | 5/32 | SYR4 | 2012–2019 |
| Nitrate-Nitrite | 1800 UG/L | 3/9 | SYR4 | 2013–2019 |
| Monochloroacetic acid | 4.46 UG/L | 2/116 | SYR4 | 2012–2019 |
| Selenium | 2.6 UG/L | 1/16 | SYR4 | 2012–2019 |
84 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, TotalBHC-GAMMABenzeneBenzo(a)pyreneBeryllium, TotalCHLOROBENZENECYANIDECadmiumCarbofuranCarbon tetrachlorideChlordaneChromiumDICHLOROMETHANEDalaponDi(2-ethylhexyl) adipateDi(2-ethylhexyl) phthalateDinosebDiquatETHYLENE DIBROMIDEEndothallEndrinEthylbenzeneHEXACHLOROBENZENEHFPO-DAHeptachlorHeptachlor epoxideHexachlorocyclopentadieneLASSOMercuryMethoxychlorNEtFOSAANFDHANMeFOSAANitriteOXAMYLPFBSPFDAPFDoAPFEESAPFHpAPFHpSPFHxAPFHxSPFMBAPFMPAPFNAPFOAPFOSPFPeAPFPeSPFTAPFTrDAPFUnAPentachlorophenolPicloramStyreneTetrachloroethyleneThallium, TotalTolueneTotal Polychlorinated Biphenyls (PCB)ToxapheneTrichloroethyleneVinyl chlorideXylenes, Totalcis-1,2-Dichloroethylenelithiumo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene