WALPOLE WATER DEPT
MA · PWS ID MA4307000 · Community water system
103
contaminants tested
24
detected
24,070
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFBA | 0.0160 ug/L | 4/4 | 2024 |
| PFHpA | 0.0030 ug/L | 2/4 | 2024 |
| PFHxA | 0.0070 ug/L | 2/4 | 2024 |
| PFOA | 0.0040 ug/L | 2/4 | 2024 |
| PFOS | 0.0040 ug/L | 2/4 | 2024 |
| PFPeA | 0.0120 ug/L | 2/4 | 2024 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| Total Haloacetic Acids (HAA5) | 103.8 UG/L | 116/116 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 53 UG/L | 116/116 | SYR4 | 2012–2019 |
| Chloroform | 92 UG/L | 115/115 | SYR4 | 2012–2019 |
| TTHM | 112.1 UG/L | 115/115 | SYR4 | 2012–2019 |
| Bromodichloromethane | 18 UG/L | 114/115 | SYR4 | 2012–2019 |
| Dibromochloromethane | 5.7 UG/L | 114/115 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 49 UG/L | 114/116 | SYR4 | 2012–2019 |
| Dibromoacetic acid | 10 UG/L | 70/116 | SYR4 | 2012–2019 |
| Nitrate | 960 UG/L | 32/32 | SYR4 | 2012–2019 |
| Monochloroacetic acid | 4.3 UG/L | 30/116 | SYR4 | 2012–2019 |
| LEAD SUMMARY | 0.0180 mg/L | 16/16 | LCR | 2024 |
| Simazine | 0.1800 UG/L | 14/26 | SYR4 | 2012–2019 |
| Fluoride | 980 UG/L | 10/10 | SYR4 | 2013–2019 |
| COPPER, FREE | 14 UG/L | 7/16 | SYR4 | 2012–2019 |
| Barium | 12 UG/L | 6/6 | SYR4 | 2013–2019 |
| Bromoform | 0.9900 UG/L | 4/115 | SYR4 | 2012–2019 |
| Carbon tetrachloride | 0.8000 UG/L | 1/66 | SYR4 | 2012–2019 |
| Hexachlorocyclopentadiene | 0.1500 UG/L | 1/18 | SYR4 | 2012–2019 |
79 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, TotalArsenicAsbestosAtrazineBHC-GAMMABenzeneBenzo(a)pyreneBeryllium, TotalCHLOROBENZENECYANIDECadmiumCarbofuranChlordaneChromiumDICHLOROMETHANEDalaponDi(2-ethylhexyl) adipateDi(2-ethylhexyl) phthalateDinosebETHYLENE DIBROMIDEEndrinEthylbenzeneHEXACHLOROBENZENEHFPO-DAHeptachlorHeptachlor epoxideLASSOMercuryMethoxychlorMonobromoacetic acidNEtFOSAANFDHANMeFOSAANitriteOXAMYLPFBSPFDAPFDoAPFEESAPFHpSPFHxSPFMBAPFMPAPFNAPFPeSPFTAPFTrDAPFUnAPentachlorophenolPicloramSeleniumStyreneTetrachloroethyleneThallium, TotalTolueneToxapheneTrichloroethyleneVinyl chlorideXylenes, Totalcis-1,2-Dichloroethylenelithiumo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene
Areas served
WALPOLE