SUDBURY WATER DISTRICT
MA · PWS ID MA3288000 · Community water system
104
contaminants tested
25
detected
18,416
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFBS | 0.0040 ug/L | 6/10 | 2025 |
| PFHxA | 0.0060 ug/L | 6/10 | 2025 |
| PFOA | 0.0090 ug/L | 6/10 | 2025 |
| PFPeA | 0.0050 ug/L | 6/10 | 2025 |
| PFBA | 0.0050 ug/L | 2/10 | 2025 |
| PFHpA | 0.0030 ug/L | 2/10 | 2025 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| Chloroform | 82 UG/L | 140/141 | SYR4 | 2012–2019 |
| TTHM | 138 UG/L | 140/141 | SYR4 | 2012–2019 |
| Dibromochloromethane | 16 UG/L | 139/141 | SYR4 | 2012–2019 |
| Bromodichloromethane | 44 UG/L | 137/141 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 82.1 UG/L | 137/140 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 44 UG/L | 130/140 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 30 UG/L | 128/140 | SYR4 | 2012–2019 |
| Nitrate | 9900 UG/L | 110/110 | SYR4 | 2012–2019 |
| Dibromoacetic acid | 7 UG/L | 95/140 | SYR4 | 2012–2019 |
| Bromoform | 3.1 UG/L | 44/141 | SYR4 | 2012–2019 |
| COPPER, FREE | 143 UG/L | 37/58 | SYR4 | 2013–2019 |
| LEAD SUMMARY | 0.0180 mg/L | 34/34 | LCR | 2025 |
| Fluoride | 1100 UG/L | 17/34 | SYR4 | 2012–2018 |
| Monochloroacetic acid | 11 UG/L | 14/140 | SYR4 | 2012–2019 |
| Barium | 54 UG/L | 13/13 | SYR4 | 2012–2018 |
| Trichloroethylene | 0.8100 UG/L | 7/149 | SYR4 | 2012–2019 |
| Monobromoacetic acid | 9.4 UG/L | 6/140 | SYR4 | 2012–2019 |
| Arsenic | 2 UG/L | 3/13 | SYR4 | 2012–2018 |
| CYANIDE | 220 UG/L | 2/15 | 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, TotalAsbestosAtrazineBHC-GAMMABenzeneBenzo(a)pyreneBeryllium, TotalCHLOROBENZENECadmiumCarbofuranCarbon tetrachlorideChlordaneChromiumDICHLOROMETHANEDalaponDi(2-ethylhexyl) adipateDi(2-ethylhexyl) phthalateDinosebETHYLENE DIBROMIDEEndrinEthylbenzeneGlyphosateHEXACHLOROBENZENEHFPO-DAHeptachlorHeptachlor epoxideHexachlorocyclopentadieneLASSOMercuryMethoxychlorNEtFOSAANFDHANMeFOSAANitriteOXAMYLPFDAPFDoAPFEESAPFHpSPFHxSPFMBAPFMPAPFNAPFOSPFPeSPFTAPFTrDAPFUnAPentachlorophenolPicloramSeleniumSimazineStyreneTetrachloroethyleneThallium, TotalTolueneToxapheneVinyl chlorideXylenes, Totalcis-1,2-Dichloroethylenelithiumo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene
Areas served
SUDBURY