DARTMOUTH WATER DIVISION
MA · PWS ID MA4072000 · Community water system
103
contaminants tested
23
detected
24,696
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFBS | 0.0207 ug/L | 2/10 | 2024 |
| PFBA | 0.0094 ug/L | 1/10 | 2024 |
| PFHpA | 0.0030 ug/L | 1/10 | 2024 |
| PFHxA | 0.0076 ug/L | 1/10 | 2024 |
| PFOA | 0.0042 ug/L | 1/10 | 2024 |
| PFOS | 0.0506 ug/L | 1/10 | 2024 |
| PFPeA | 0.0118 ug/L | 1/10 | 2024 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| TTHM | 111 UG/L | 132/132 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 75 UG/L | 127/128 | SYR4 | 2012–2019 |
| Bromodichloromethane | 22.3 UG/L | 112/112 | SYR4 | 2013–2019 |
| Chloroform | 90.3 UG/L | 112/112 | SYR4 | 2013–2019 |
| Dibromochloromethane | 10.1 UG/L | 112/112 | SYR4 | 2013–2019 |
| Trichloroacetic Acid | 127.7 UG/L | 106/108 | SYR4 | 2013–2019 |
| Dichloroacetic Acid | 32.1 UG/L | 94/108 | SYR4 | 2013–2019 |
| Nitrate | 860 UG/L | 50/50 | SYR4 | 2012–2019 |
| LEAD SUMMARY | 0.0500 mg/L | 25/25 | LCR | 2025 |
| Monochloroacetic acid | 7.3 UG/L | 20/108 | SYR4 | 2013–2019 |
| Bromoform | 1.4 UG/L | 9/112 | SYR4 | 2013–2019 |
| Dibromoacetic acid | 1.4 UG/L | 6/108 | SYR4 | 2013–2019 |
| Tetrachloroethylene | 0.8000 UG/L | 2/62 | SYR4 | 2012–2019 |
| COPPER, FREE | 20 UG/L | 1/5 | SYR4 | 2018–2019 |
| Fluoride | 100 UG/L | 1/3 | SYR4 | 2014–2019 |
| Heptachlor epoxide | 6 UG/L | 1/12 | SYR4 | 2014–2018 |
80 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-GAMMABariumBenzeneBenzo(a)pyreneBeryllium, TotalCHLOROBENZENECYANIDECadmiumCarbofuranCarbon tetrachlorideChlordaneChromiumDICHLOROMETHANEDalaponDi(2-ethylhexyl) adipateDi(2-ethylhexyl) phthalateDinosebETHYLENE DIBROMIDEEndrinEthylbenzeneHEXACHLOROBENZENEHFPO-DAHeptachlorHexachlorocyclopentadieneLASSOMercuryMethoxychlorMonobromoacetic acidNEtFOSAANFDHANMeFOSAANitriteOXAMYLPFDAPFDoAPFEESAPFHpSPFHxSPFMBAPFMPAPFNAPFPeSPFTAPFTrDAPFUnAPentachlorophenolPicloramSeleniumSimazineStyreneThallium, TotalTolueneToxapheneTrichloroethyleneVinyl chlorideXylenes, Totalcis-1,2-Dichloroethylenelithiumo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene
Areas served
DARTMOUTH