AQUARION-VALLEY
CT · PWS ID CT1240011 · Community water system
109
contaminants tested
24
detected
13,080
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFOA | 0.0081 ug/L | 5/10 | 2025 |
| PFBS | 0.0046 ug/L | 3/10 | 2025 |
| PFHxA | 0.0049 ug/L | 3/10 | 2025 |
| PFOS | 0.0069 ug/L | 3/10 | 2025 |
| PFPeA | 0.0068 ug/L | 3/10 | 2025 |
| PFHpA | 0.0036 ug/L | 1/10 | 2025 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| Chloroform | 91 UG/L | 145/167 | SYR4 | 2012–2019 |
| TTHM | 104 UG/L | 144/144 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 61 UG/L | 144/144 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 26 UG/L | 143/144 | SYR4 | 2012–2019 |
| Bromodichloromethane | 16 UG/L | 142/167 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 34 UG/L | 141/144 | SYR4 | 2012–2019 |
| Dibromochloromethane | 5 UG/L | 128/167 | SYR4 | 2012–2019 |
| COPPER, FREE | 540 UG/L | 70/71 | SYR4 | 2014–2019 |
| Monochloroacetic acid | 2 UG/L | 67/144 | SYR4 | 2012–2019 |
| Dibromoacetic acid | 1 UG/L | 64/144 | SYR4 | 2012–2019 |
| Nitrate | 2085 UG/L | 46/46 | SYR4 | 2012–2019 |
| Nitrate-Nitrite | 2085 UG/L | 23/23 | SYR4 | 2012–2019 |
| Lead | 42 UG/L | 21/71 | SYR4 | 2014–2019 |
| LEAD SUMMARY | 0.0140 mg/L | 17/17 | LCR | 2025 |
| Bromoform | 2 UG/L | 14/167 | SYR4 | 2012–2019 |
| Barium | 52 UG/L | 9/9 | SYR4 | 2014–2019 |
| Fluoride | 50 UG/L | 8/9 | SYR4 | 2014–2019 |
| Combined Radium (-226 and -228) | 5.9 PCI/L | 2/5 | SYR4 | 2012–2019 |
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 tetrachlorideChlordaneChromiumCombined UraniumDICHLOROMETHANEDalaponDi(2-ethylhexyl) adipateDi(2-ethylhexyl) phthalateDinosebDiquatETHYLENE DIBROMIDEEndrinEthylbenzeneGlyphosateGross Alpha, Excl. Radon and UHEXACHLOROBENZENEHFPO-DAHeptachlorHeptachlor epoxideHexachlorocyclopentadieneLASSOMercuryMethoxychlorMonobromoacetic acidNEtFOSAANFDHANMeFOSAANitriteOXAMYLPFBAPFDAPFDoAPFEESAPFHpSPFHxSPFMBAPFMPAPFNAPFPeSPFTAPFTrDAPFUnAPentachlorophenolPicloramSeleniumSimazineStyreneTetrachloroethyleneThallium, TotalTolueneTotal Polychlorinated Biphenyls (PCB)ToxapheneTrichloroethyleneVinyl chloridecis-1,2-Dichloroethylenelithiumo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene
Areas served
ANSONIABEACON FALLSBETHANYOXFORDSEYMOURWOODBRIDGE