MANCHESTER WATER DEPARTMENT
CT · PWS ID CT0770021 · Community water system
111
contaminants tested
35
detected
51,198
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFOA | 0.0130 ug/L | 14/24 | 2024 |
| PFHxA | 0.0047 ug/L | 8/24 | 2024 |
| PFOS | 0.0160 ug/L | 6/24 | 2024 |
| PFBS | 0.0150 ug/L | 5/24 | 2024 |
| PFPeA | 0.0047 ug/L | 5/24 | 2024 |
| PFHxS | 0.0038 ug/L | 4/24 | 2024 |
| PFHpA | 0.0035 ug/L | 2/24 | 2024 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| Dibromochloromethane | 9.2 UG/L | 319/394 | SYR4 | 2012–2019 |
| Chloroform | 56 UG/L | 295/394 | SYR4 | 2012–2019 |
| Bromodichloromethane | 16.1 UG/L | 278/394 | SYR4 | 2012–2019 |
| TTHM | 72 UG/L | 265/265 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 26 UG/L | 255/265 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 14 UG/L | 252/265 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 11.9 UG/L | 228/265 | SYR4 | 2012–2019 |
| Nitrate | 4030 UG/L | 124/124 | SYR4 | 2012–2019 |
| Bromoform | 3.9 UG/L | 90/394 | SYR4 | 2012–2019 |
| COPPER, FREE | 250 UG/L | 80/80 | SYR4 | 2012–2019 |
| Dibromoacetic acid | 7.6 UG/L | 71/265 | SYR4 | 2012–2019 |
| Nitrate-Nitrite | 4030 UG/L | 68/70 | SYR4 | 2012–2019 |
| Monochloroacetic acid | 15 UG/L | 35/265 | SYR4 | 2012–2019 |
| LEAD SUMMARY | 0.0130 mg/L | 34/34 | LCR | 2025 |
| Trichloroethylene | 3.1 UG/L | 29/130 | SYR4 | 2012–2019 |
| Barium | 425 UG/L | 27/34 | SYR4 | 2012–2019 |
| Fluoride | 1220 UG/L | 27/34 | SYR4 | 2012–2019 |
| 1,1-Dichloroethylene | 1.5 UG/L | 16/130 | SYR4 | 2012–2019 |
| Lead | 14 UG/L | 16/80 | SYR4 | 2012–2019 |
| 1,1,1-Trichloroethane | 1.1 UG/L | 12/130 | SYR4 | 2012–2019 |
| Monobromoacetic acid | 6.78 UG/L | 10/265 | SYR4 | 2012–2019 |
| Chromium | 1.1 UG/L | 2/34 | SYR4 | 2012–2019 |
| Bromate | 12 UG/L | 1/37 | SYR4 | 2012–2019 |
| Gross Beta Particle Activity | 5.4 PCI/L | 1/9 | SYR4 | 2013–2018 |
| Heptachlor epoxide | 0.0063 UG/L | 1/38 | SYR4 | 2012–2019 |
| Hexachlorocyclopentadiene | 0.0170 UG/L | 1/40 | SYR4 | 2012–2019 |
| Nitrite | 40 UG/L | 1/62 | SYR4 | 2012–2019 |
| Tetrachloroethylene | 1.2 UG/L | 1/130 | SYR4 | 2012–2019 |
76 contaminants tested, none detected
1,1,2-Trichloroethane1,2,4-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 Radium (-226 and -228)Combined UraniumDICHLOROMETHANEDalaponDi(2-ethylhexyl) adipateDi(2-ethylhexyl) phthalateDinosebDiquatETHYLENE DIBROMIDEEndrinEthylbenzeneGlyphosateGross Alpha, Excl. Radon and UHEXACHLOROBENZENEHFPO-DAHeptachlorLASSOMercuryMethoxychlorNEtFOSAANFDHANMeFOSAAOXAMYLPFBAPFDAPFDoAPFEESAPFHpSPFMBAPFMPAPFNAPFPeSPFTAPFTrDAPFUnAPentachlorophenolPicloramSeleniumSimazineStyreneThallium, TotalTolueneTotal Polychlorinated Biphenyls (PCB)ToxapheneVinyl chloridecis-1,2-Dichloroethylenelithiumo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene
Areas served
GLASTONBURYMANCHESTERSOUTH WINDSORVERNON