DUPO

IL Β· PWS ID IL1630350 Β· Community water system

108
contaminants tested
23
detected
4,684
people served
Water source
Ground water
Ownership
Local government
Counties served
St. Clair

PFAS detected

β€œForever chemicals” from UCMR-5 β€” the only fresh nationwide measurements (2023–2025).
ContaminantMaxDetection ratePeriod
PFBS 0.0037 ug/L 2/2 2025
PFOS 0.0056 ug/L 2/2 2025
PFHxS 0.0031 ug/L 1/2 2025

Other contaminants detected

ContaminantMaxDetection rateSourcePeriod
Bromodichloromethane 34.2 UG/L 45/45 SYR4 2013–2019
Chloroform 31.4 UG/L 45/45 SYR4 2013–2019
TTHM 105.5 UG/L 45/45 SYR4 2013–2019
Bromoform 9.78 UG/L 44/45 SYR4 2013–2019
Dibromochloromethane 32.9 UG/L 44/45 SYR4 2013–2019
Total Haloacetic Acids (HAA5) 26 UG/L 44/45 SYR4 2013–2019
Trichloroacetic Acid 7.44 UG/L 41/45 SYR4 2013–2019
COPPER, FREE 280 UG/L 40/40 SYR4 2014–2017
Dibromoacetic acid 7.12 UG/L 39/45 SYR4 2013–2019
Dichloroacetic Acid 12.5 UG/L 29/45 SYR4 2013–2019
Nitrate 90 UG/L 16/16 SYR4 2012–2019
LEAD SUMMARY 0.0100 mg/L 14/14 LCR 2023
Lead 30 UG/L 7/43 SYR4 2012–2017
Monobromoacetic acid 3 UG/L 7/45 SYR4 2013–2019
Nitrate-Nitrite 90 UG/L 3/3 SYR4 2012–2018
Barium 41 UG/L 2/2 SYR4 2014–2017
Combined Radium (-226 and -228) 0.9420 PCI/L 2/3 SYR4 2012–2018
Fluoride 979 UG/L 2/2 SYR4 2014–2017
lithium 24 ug/L 2/2 UCMR-5 2025
Monochloroacetic acid 17.2 UG/L 1/45 SYR4 2013–2019
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, TotalArsenicAtrazineBHC-GAMMABenzeneBenzo(a)pyreneBeryllium, TotalCHLOROBENZENECYANIDECadmiumCarbofuranCarbon tetrachlorideChlordaneChromiumDICHLOROMETHANEDalaponDi(2-ethylhexyl) adipateDi(2-ethylhexyl) phthalateDinosebDiquatETHYLENE DIBROMIDEEndothallEndrinEthylbenzeneHEXACHLOROBENZENEHFPO-DAHeptachlorHeptachlor epoxideHexachlorocyclopentadieneLASSOMercuryMethoxychlorNEtFOSAANFDHANMeFOSAANitriteOXAMYLPFBAPFDAPFDoAPFEESAPFHpAPFHpSPFHxAPFMBAPFMPAPFNAPFOAPFPeAPFPeSPFTAPFTrDAPFUnAPentachlorophenolPicloramSeleniumSimazineStyreneTetrachloroethyleneThallium, TotalTolueneTotal Polychlorinated Biphenyls (PCB)ToxapheneTrichloroethyleneVinyl chlorideXylenes, Totalcis-1,2-Dichloroethyleneo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene

Areas served

DUPO

Utility contact

Contact
BASINSKI, JOE
Phone
618-779-0300
Email
joeski62255@gmail.com