AQUA PA WEST CHESTER
PA · PWS ID PA1150098 · Community water system
108
contaminants tested
25
detected
48,600
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFHxA | 0.0072 ug/L | 6/6 | 2024 |
| PFPeA | 0.0074 ug/L | 6/6 | 2024 |
| PFOA | 0.0059 ug/L | 3/6 | 2024 |
| PFBA | 0.0057 ug/L | 2/6 | 2024 |
| PFBS | 0.0036 ug/L | 2/6 | 2024 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| TTHM | 102.3 UG/L | 162/162 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 77.7 UG/L | 156/156 | SYR4 | 2012–2019 |
| Chloroform | 65.9 UG/L | 102/102 | SYR4 | 2017–2019 |
| COPPER, FREE | 390 UG/L | 76/98 | SYR4 | 2013–2019 |
| Bromodichloromethane | 22.6 UG/L | 53/53 | SYR4 | 2017–2019 |
| Dibromochloromethane | 15.7 UG/L | 53/53 | SYR4 | 2017–2019 |
| Nitrate | 4900 UG/L | 52/52 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 37.5 UG/L | 48/48 | SYR4 | 2017–2019 |
| Trichloroacetic Acid | 37.5 UG/L | 47/48 | SYR4 | 2017–2019 |
| Dibromoacetic acid | 3.3 UG/L | 30/48 | SYR4 | 2017–2019 |
| LEAD SUMMARY | 0.0230 mg/L | 17/17 | LCR | 2025 |
| Monochloroacetic acid | 6.4 UG/L | 17/48 | SYR4 | 2017–2019 |
| Bromoform | 4.6 UG/L | 15/53 | SYR4 | 2017–2019 |
| Lead | 208 UG/L | 15/98 | SYR4 | 2013–2019 |
| Barium | 398 UG/L | 14/14 | SYR4 | 2012–2019 |
| Chromium | 7.2 UG/L | 14/14 | SYR4 | 2012–2019 |
| Fluoride | 560 UG/L | 8/14 | SYR4 | 2012–2019 |
| Monobromoacetic acid | 1.5 UG/L | 8/48 | SYR4 | 2017–2019 |
| Selenium | 1.2 UG/L | 4/14 | SYR4 | 2012–2019 |
| Xylenes, Total | 0.7000 UG/L | 1/23 | SYR4 | 2012–2019 |
83 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 tetrachlorideChlordaneCombined UraniumDICHLOROMETHANEDalaponDi(2-ethylhexyl) adipateDi(2-ethylhexyl) phthalateDinosebDiquatETHYLENE DIBROMIDEEndothallEndrinEthylbenzeneGlyphosateHEXACHLOROBENZENEHFPO-DAHeptachlorHeptachlor epoxideHexachlorocyclopentadieneLASSOMercuryMethoxychlorNEtFOSAANFDHANMeFOSAANitriteOXAMYLPFDAPFDoAPFEESAPFHpAPFHpSPFHxSPFMBAPFMPAPFNAPFOSPFPeSPFTAPFTrDAPFUnAPentachlorophenolPicloramSimazineStyreneTetrachloroethyleneThallium, TotalTolueneTotal Polychlorinated Biphenyls (PCB)ToxapheneTrichloroethyleneVinyl chloridecis-1,2-Dichloroethylenelithiumo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene