NATICK WATER AND SEWER DIVISION
MA · PWS ID MA3198000 · Community water system
102
contaminants tested
25
detected
37,006
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFBS | 0.0065 ug/L | 4/8 | 2025 |
| PFOA | 0.0143 ug/L | 4/8 | 2025 |
| PFOS | 0.0373 ug/L | 4/8 | 2025 |
| PFHxS | 0.0112 ug/L | 2/8 | 2025 |
| PFPeA | 0.0035 ug/L | 2/8 | 2025 |
| PFBA | 0.0050 ug/L | 1/8 | 2025 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| TTHM | 70.3 UG/L | 116/118 | SYR4 | 2012–2019 |
| Bromodichloromethane | 24 UG/L | 115/118 | SYR4 | 2012–2019 |
| Bromoform | 6 UG/L | 115/118 | SYR4 | 2012–2019 |
| Chloroform | 26 UG/L | 115/118 | SYR4 | 2012–2019 |
| Dibromochloromethane | 19 UG/L | 115/118 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 19.1 UG/L | 110/114 | SYR4 | 2012–2019 |
| Dibromoacetic acid | 5.4 UG/L | 108/118 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 6.8 UG/L | 105/118 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 6.4 UG/L | 100/118 | SYR4 | 2012–2019 |
| Nitrate | 3400 UG/L | 64/64 | SYR4 | 2012–2019 |
| COPPER, FREE | 666 UG/L | 25/29 | SYR4 | 2012–2018 |
| LEAD SUMMARY | 0.0100 mg/L | 19/19 | LCR | 2025 |
| Barium | 48 UG/L | 9/9 | SYR4 | 2013–2019 |
| Fluoride | 980 UG/L | 7/13 | SYR4 | 2013–2019 |
| Arsenic | 1 UG/L | 2/9 | SYR4 | 2013–2019 |
| Selenium | 2 UG/L | 2/9 | SYR4 | 2013–2019 |
| Monobromoacetic acid | 2.25 UG/L | 1/118 | SYR4 | 2012–2019 |
| Monochloroacetic acid | 6.7 UG/L | 1/118 | SYR4 | 2012–2019 |
| cis-1,2-Dichloroethylene | 1.12 UG/L | 1/194 | SYR4 | 2012–2019 |
77 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, TotalAtrazineBHC-GAMMABenzeneBenzo(a)pyreneBeryllium, TotalCHLOROBENZENECYANIDECadmiumCarbofuranCarbon tetrachlorideChlordaneChromiumDICHLOROMETHANEDalaponDi(2-ethylhexyl) adipateDi(2-ethylhexyl) phthalateDinosebETHYLENE DIBROMIDEEndrinEthylbenzeneHEXACHLOROBENZENEHFPO-DAHeptachlorHeptachlor epoxideHexachlorocyclopentadieneLASSOMercuryMethoxychlorNEtFOSAANFDHANMeFOSAANitriteOXAMYLPFDAPFDoAPFEESAPFHpAPFHpSPFHxAPFMBAPFMPAPFNAPFPeSPFTAPFTrDAPFUnAPentachlorophenolPicloramSimazineStyreneTetrachloroethyleneThallium, TotalTolueneToxapheneTrichloroethyleneVinyl chlorideXylenes, Totallithiumo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene
Areas served
NATICK