AQUARION-EASTERN FAIRFIELD COUNTY
CT · PWS ID CT0150011 · Community water system
109
contaminants tested
25
detected
351,756
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFBA | 0.0076 ug/L | 3/14 | 2024 |
| PFOA | 0.0109 ug/L | 3/14 | 2024 |
| PFHxA | 0.0074 ug/L | 2/14 | 2024 |
| PFOS | 0.0066 ug/L | 2/14 | 2024 |
| PFPeA | 0.0067 ug/L | 2/14 | 2024 |
| PFBS | 0.0041 ug/L | 1/14 | 2024 |
| PFHpA | 0.0039 ug/L | 1/14 | 2024 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| Bromodichloromethane | 19 UG/L | 417/426 | SYR4 | 2012–2019 |
| Dibromochloromethane | 3 UG/L | 417/426 | SYR4 | 2012–2019 |
| Chloroform | 79 UG/L | 411/426 | SYR4 | 2012–2019 |
| TTHM | 101 UG/L | 384/384 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 75 UG/L | 383/384 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 38 UG/L | 382/384 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 36 UG/L | 380/384 | SYR4 | 2012–2019 |
| Monochloroacetic acid | 3 UG/L | 314/384 | SYR4 | 2012–2019 |
| Dibromoacetic acid | 1 UG/L | 167/384 | SYR4 | 2012–2019 |
| COPPER, FREE | 360 UG/L | 159/205 | SYR4 | 2012–2019 |
| LEAD SUMMARY | 0.0150 mg/L | 98/98 | LCR | 2026 |
| Nitrate | 1560 UG/L | 82/82 | SYR4 | 2012–2019 |
| Nitrate-Nitrite | 1560 UG/L | 65/65 | SYR4 | 2012–2019 |
| Barium | 55 UG/L | 52/52 | SYR4 | 2012–2019 |
| Fluoride | 1080 UG/L | 52/52 | SYR4 | 2012–2019 |
| Lead | 668 UG/L | 44/205 | SYR4 | 2012–2019 |
| Monobromoacetic acid | 1 UG/L | 17/384 | SYR4 | 2012–2019 |
| Bromoform | 0.6000 UG/L | 2/426 | 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, TotalArsenicAtrazineBHC-GAMMABenzeneBenzo(a)pyreneBeryllium, TotalCHLOROBENZENECYANIDECadmiumCarbofuranCarbon tetrachlorideChlordaneChromiumCombined Radium (-226 and -228)Combined UraniumDICHLOROMETHANEDalaponDi(2-ethylhexyl) adipateDi(2-ethylhexyl) phthalateDinosebDiquatETHYLENE DIBROMIDEEndrinEthylbenzeneGlyphosateGross Alpha, Excl. Radon and UHEXACHLOROBENZENEHFPO-DAHeptachlorHeptachlor epoxideHexachlorocyclopentadieneLASSOMercuryMethoxychlorNEtFOSAANFDHANMeFOSAANitriteOXAMYLPFDAPFDoAPFEESAPFHpSPFHxSPFMBAPFMPAPFNAPFPeSPFTAPFTrDAPFUnAPentachlorophenolPicloramSeleniumSimazineStyreneTetrachloroethyleneThallium, TotalTolueneTotal Polychlorinated Biphenyls (PCB)ToxapheneTrichloroethyleneVinyl chloridecis-1,2-Dichloroethylenelithiumo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene
Areas served
BEACON FALLSBRIDGEPORTDARIENEASTONFAIRFIELDGREENWICHMONROENEW CANAANNEWTOWNNORWALKREDDINGRIDGEFIELDSEYMOURSHELTONSTAMFORDSTRATFORDTRUMBULLWESTONWESTPORTWILTON