TEWKSBURY WATER DEPARTMENT
MA · PWS ID MA3295000 · Community water system
104
contaminants tested
19
detected
31,342
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFOA | 0.0050 ug/L | 3/4 | 2024 |
| PFHxA | 0.0040 ug/L | 2/4 | 2024 |
| PFPeA | 0.0040 ug/L | 2/4 | 2024 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| Chlorite | 650 UG/L | 211/241 | SYR4 | 2012–2019 |
| TTHM | 100 UG/L | 121/121 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 39 UG/L | 118/118 | SYR4 | 2012–2019 |
| Bromodichloromethane | 24 UG/L | 85/85 | SYR4 | 2014–2019 |
| Chloroform | 85 UG/L | 85/85 | SYR4 | 2014–2019 |
| Dibromochloromethane | 8 UG/L | 85/85 | SYR4 | 2014–2019 |
| Dichloroacetic Acid | 13.7 UG/L | 69/69 | SYR4 | 2014–2019 |
| Trichloroacetic Acid | 20 UG/L | 69/69 | SYR4 | 2014–2019 |
| Monochloroacetic acid | 2.5 UG/L | 26/69 | SYR4 | 2014–2019 |
| Dibromoacetic acid | 1.4 UG/L | 25/69 | SYR4 | 2014–2019 |
| Nitrate | 860 UG/L | 20/20 | SYR4 | 2012–2019 |
| LEAD SUMMARY | 0.0130 mg/L | 15/15 | LCR | 2023 |
| Bromoform | 1.6 UG/L | 13/84 | SYR4 | 2014–2019 |
| Barium | 19 UG/L | 8/8 | SYR4 | 2012–2019 |
| Fluoride | 1000 UG/L | 7/8 | SYR4 | 2012–2018 |
| Monobromoacetic acid | 1.2 UG/L | 3/69 | SYR4 | 2014–2019 |
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, TotalArsenicAsbestosAtrazineBHC-GAMMABenzeneBenzo(a)pyreneBeryllium, TotalCHLOROBENZENECOPPER, FREECYANIDECadmiumCarbofuranCarbon tetrachlorideChlordaneChromiumDICHLOROMETHANEDalaponDi(2-ethylhexyl) adipateDi(2-ethylhexyl) phthalateDinosebETHYLENE DIBROMIDEEndrinEthylbenzeneHEXACHLOROBENZENEHFPO-DAHeptachlorHeptachlor epoxideHexachlorocyclopentadieneLASSOMercuryMethoxychlorNEtFOSAANFDHANMeFOSAANitriteOXAMYLPFBAPFBSPFDAPFDoAPFEESAPFHpAPFHpSPFHxSPFMBAPFMPAPFNAPFOSPFPeSPFTAPFTrDAPFUnAPentachlorophenolPicloramSeleniumSimazineStyreneTetrachloroethyleneThallium, TotalTolueneToxapheneTrichloroethyleneVinyl chlorideXylenes, Totalcis-1,2-Dichloroethylenelithiumo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene
Areas served
TEWKSBURY