AURORA
IL · PWS ID IL0894070 · Community water system
111
contaminants tested
33
detected
183,000
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFHxA | 0.0047 ug/L | 3/4 | 2025 |
| PFPeA | 0.0053 ug/L | 3/4 | 2025 |
| PFBA | 0.0059 ug/L | 2/4 | 2025 |
| PFBS | 0.0037 ug/L | 2/4 | 2025 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| Bromodichloromethane | 17 UG/L | 254/254 | SYR4 | 2012–2019 |
| Chloroform | 41 UG/L | 254/254 | SYR4 | 2012–2019 |
| Dibromochloromethane | 15 UG/L | 254/254 | SYR4 | 2012–2019 |
| Bromoform | 12 UG/L | 253/254 | SYR4 | 2012–2019 |
| TTHM | 67.6 UG/L | 252/252 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 20 UG/L | 251/252 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 32.3 UG/L | 251/252 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 12 UG/L | 250/252 | SYR4 | 2012–2019 |
| Dibromoacetic acid | 5.1 UG/L | 233/252 | SYR4 | 2012–2019 |
| COPPER, FREE | 120 UG/L | 148/150 | SYR4 | 2012–2018 |
| Lead | 35 UG/L | 119/150 | SYR4 | 2012–2018 |
| LEAD SUMMARY | 0.0240 mg/L | 25/25 | LCR | 2025 |
| Fluoride | 1500 UG/L | 17/17 | SYR4 | 2012–2019 |
| Nitrate | 1900 UG/L | 16/30 | SYR4 | 2012–2019 |
| Barium | 140 UG/L | 15/15 | SYR4 | 2012–2019 |
| Chromium | 4.8 UG/L | 11/15 | SYR4 | 2012–2019 |
| Trichloroethylene | 1.1 UG/L | 10/18 | SYR4 | 2012–2017 |
| Combined Radium (-226 and -228) | 11.1 PCI/L | 7/7 | SYR4 | 2014–2017 |
| cis-1,2-Dichloroethylene | 0.7000 UG/L | 6/18 | SYR4 | 2012–2017 |
| Nitrate-Nitrite | 1400 UG/L | 4/11 | SYR4 | 2012–2019 |
| Gross Beta Particle Activity | 24.9 PCI/L | 3/3 | SYR4 | 2017 |
| Mercury | 1 UG/L | 3/16 | SYR4 | 2012–2019 |
| Monochloroacetic acid | 3.9 UG/L | 3/252 | SYR4 | 2012–2019 |
| lithium | 18.6 ug/L | 3/4 | UCMR-5 | 2025 |
| Benzo(a)pyrene | 0.1800 UG/L | 2/16 | SYR4 | 2012–2019 |
| Arsenic | 1.5 UG/L | 1/15 | SYR4 | 2012–2019 |
| Combined Uranium | 0.2831 UG/L | 1/1 | SYR4 | 2014 |
| Nitrite | 10 UG/L | 1/11 | SYR4 | 2012–2019 |
| Thallium, Total | 0.6000 UG/L | 1/15 | SYR4 | 2012–2019 |
78 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-GAMMABenzeneBeryllium, TotalCHLOROBENZENECYANIDECadmiumCarbofuranCarbon tetrachlorideChlordaneDICHLOROMETHANEDalaponDi(2-ethylhexyl) adipateDi(2-ethylhexyl) phthalateDinosebDiquatETHYLENE DIBROMIDEEndothallEndrinEthylbenzeneGlyphosateHEXACHLOROBENZENEHFPO-DAHeptachlorHeptachlor epoxideHexachlorocyclopentadieneLASSOMethoxychlorMonobromoacetic acidNEtFOSAANFDHANMeFOSAAOXAMYLPFDAPFDoAPFEESAPFHpAPFHpSPFHxSPFMBAPFMPAPFNAPFOAPFOSPFPeSPFTAPFTrDAPFUnAPentachlorophenolPicloramSeleniumSimazineStyreneTetrachloroethyleneTolueneTotal Polychlorinated Biphenyls (PCB)ToxapheneVinyl chlorideXylenes, Totalo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene
Areas served
AURORA