DEDHAM WESTWOOD WATER DIST.
MA · PWS ID MA3073000 · Community water system
103
contaminants tested
19
detected
41,630
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFOA | 0.0065 ug/L | 4/8 | 2025 |
| PFOS | 0.0051 ug/L | 3/8 | 2025 |
| PFPeA | 0.0059 ug/L | 2/8 | 2025 |
| PFHxA | 0.0041 ug/L | 1/8 | 2025 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| TTHM | 96 UG/L | 114/114 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 49 UG/L | 113/114 | SYR4 | 2012–2019 |
| Bromodichloromethane | 28.3 UG/L | 104/104 | SYR4 | 2013–2019 |
| Chloroform | 71.5 UG/L | 104/104 | SYR4 | 2013–2019 |
| Dibromochloromethane | 27.2 UG/L | 104/104 | SYR4 | 2013–2019 |
| Trichloroacetic Acid | 37.8 UG/L | 102/104 | SYR4 | 2013–2019 |
| Dichloroacetic Acid | 17.4 UG/L | 101/104 | SYR4 | 2013–2019 |
| Dibromoacetic acid | 8.6 UG/L | 70/104 | SYR4 | 2013–2019 |
| Bromoform | 17.6 UG/L | 49/104 | SYR4 | 2013–2019 |
| Nitrate | 1630 UG/L | 46/46 | SYR4 | 2012–2019 |
| Monochloroacetic acid | 13 UG/L | 29/104 | SYR4 | 2013–2019 |
| LEAD SUMMARY | 0.0130 mg/L | 17/17 | LCR | 2025 |
| Fluoride | 960 UG/L | 6/7 | SYR4 | 2012–2018 |
| COPPER, FREE | 390 UG/L | 5/11 | SYR4 | 2013–2019 |
| Asbestos | 1 MFL | 1/1 | SYR4 | 2016 |
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-GAMMABariumBenzeneBenzo(a)pyreneBeryllium, TotalCHLOROBENZENECYANIDECadmiumCarbofuranCarbon tetrachlorideChlordaneChromiumDICHLOROMETHANEDalaponDi(2-ethylhexyl) adipateDi(2-ethylhexyl) phthalateDinosebETHYLENE DIBROMIDEEndrinEthylbenzeneHEXACHLOROBENZENEHFPO-DAHeptachlorHeptachlor epoxideHexachlorocyclopentadieneLASSOMercuryMethoxychlorMonobromoacetic acidNEtFOSAANFDHANMeFOSAANitriteOXAMYLPFBAPFBSPFDAPFDoAPFEESAPFHpAPFHpSPFHxSPFMBAPFMPAPFNAPFPeSPFTAPFTrDAPFUnAPentachlorophenolPicloramSeleniumSimazineStyreneTetrachloroethyleneThallium, TotalTolueneToxapheneTrichloroethyleneVinyl chlorideXylenes, Totalcis-1,2-Dichloroethylenelithiumo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene
Areas served
DEDHAM