LA SALLE
IL · PWS ID IL0990300 · Community water system
107
contaminants tested
22
detected
9,700
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFBA | 0.0067 ug/L | 2/2 | 2025 |
| PFBS | 0.0031 ug/L | 1/2 | 2025 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| COPPER, FREE | 1300 UG/L | 59/60 | SYR4 | 2013–2019 |
| Lead | 37 UG/L | 43/60 | SYR4 | 2013–2019 |
| Bromodichloromethane | 35.8 UG/L | 40/40 | SYR4 | 2012–2019 |
| Chloroform | 66.2 UG/L | 40/40 | SYR4 | 2012–2019 |
| Dibromochloromethane | 21.1 UG/L | 40/40 | SYR4 | 2012–2019 |
| TTHM | 118 UG/L | 40/40 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 89.2 UG/L | 40/40 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 39.2 UG/L | 40/40 | SYR4 | 2012–2019 |
| Bromoform | 4.287 UG/L | 39/40 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 41.3 UG/L | 39/40 | SYR4 | 2012–2019 |
| Dibromoacetic acid | 9.83 UG/L | 38/40 | SYR4 | 2012–2019 |
| LEAD SUMMARY | 0.0420 mg/L | 35/35 | LCR | 2025 |
| Nitrate | 3000 UG/L | 16/16 | SYR4 | 2012–2019 |
| Monobromoacetic acid | 8.93 UG/L | 15/40 | SYR4 | 2012–2019 |
| Arsenic | 1.5 UG/L | 2/2 | SYR4 | 2014–2017 |
| Barium | 110 UG/L | 2/2 | SYR4 | 2014–2017 |
| Fluoride | 1140 UG/L | 2/2 | SYR4 | 2014–2017 |
| Monochloroacetic acid | 2.77 UG/L | 2/40 | SYR4 | 2012–2019 |
| lithium | 20 ug/L | 2/2 | UCMR-5 | 2025 |
| Combined Radium (-226 and -228) | 0.3620 PCI/L | 1/1 | SYR4 | 2015 |
85 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 DIBROMIDEEndothallEndrinEthylbenzeneHEXACHLOROBENZENEHFPO-DAHeptachlorHeptachlor epoxideHexachlorocyclopentadieneLASSOMercuryMethoxychlorNEtFOSAANFDHANMeFOSAANitriteOXAMYLPFDAPFDoAPFEESAPFHpAPFHpSPFHxAPFHxSPFMBAPFMPAPFNAPFOAPFOSPFPeAPFPeSPFTAPFTrDAPFUnAPentachlorophenolPicloramSeleniumSimazineStyreneTetrachloroethyleneThallium, TotalTolueneTotal Polychlorinated Biphenyls (PCB)ToxapheneTrichloroethyleneVinyl chlorideXylenes, Totalcis-1,2-Dichloroethyleneo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene
Areas served
LA SALLE