TOWN OF AVON
MA · PWS ID MA4018000 · Community water system
103
contaminants tested
19
detected
4,777
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFOA | 0.0051 ug/L | 2/4 | 2023 |
| PFOS | 0.0060 ug/L | 2/4 | 2023 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| Nitrate | 3000 UG/L | 36/36 | SYR4 | 2012–2019 |
| Bromodichloromethane | 19 UG/L | 18/18 | SYR4 | 2012–2019 |
| Bromoform | 6.9 UG/L | 18/18 | SYR4 | 2012–2019 |
| Chloroform | 18 UG/L | 18/18 | SYR4 | 2012–2019 |
| Dibromochloromethane | 17 UG/L | 18/18 | SYR4 | 2012–2019 |
| TTHM | 59.6 UG/L | 16/16 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 10.1 UG/L | 14/18 | SYR4 | 2012–2019 |
| LEAD SUMMARY | 0.0100 mg/L | 13/13 | LCR | 2023 |
| Dibromoacetic acid | 4.8 UG/L | 12/18 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 2.2 UG/L | 10/18 | SYR4 | 2012–2019 |
| Barium | 106 UG/L | 9/10 | SYR4 | 2012–2018 |
| Fluoride | 100 UG/L | 8/10 | SYR4 | 2012–2018 |
| Dichloroacetic Acid | 3.6 UG/L | 6/18 | SYR4 | 2012–2019 |
| COPPER, FREE | 264 UG/L | 2/4 | SYR4 | 2015–2017 |
| CYANIDE | 280 UG/L | 1/10 | SYR4 | 2012–2018 |
| Cadmium | 0.2000 UG/L | 1/10 | SYR4 | 2012–2018 |
| Monochloroacetic acid | 1.5 UG/L | 1/18 | SYR4 | 2012–2019 |
84 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, TotalCHLOROBENZENECarbofuranCarbon tetrachlorideChlordaneChromiumDICHLOROMETHANEDalaponDi(2-ethylhexyl) adipateDi(2-ethylhexyl) phthalateDinosebETHYLENE DIBROMIDEEndrinEthylbenzeneHEXACHLOROBENZENEHFPO-DAHeptachlorHeptachlor epoxideHexachlorocyclopentadieneLASSOMercuryMethoxychlorMonobromoacetic acidNEtFOSAANFDHANMeFOSAANitriteOXAMYLPFBAPFBSPFDAPFDoAPFEESAPFHpAPFHpSPFHxAPFHxSPFMBAPFMPAPFNAPFPeAPFPeSPFTAPFTrDAPFUnAPentachlorophenolPicloramSeleniumSimazineStyreneTetrachloroethyleneThallium, TotalTolueneToxapheneTrichloroethyleneVinyl chlorideXylenes, Totalcis-1,2-Dichloroethylenelithiumo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene
Areas served
AVON