PUTNAM WATER POLLUTION CONTROL AUTHORITY
CT · PWS ID CT1160011 · Community water system
110
contaminants tested
27
detected
7,300
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFBS | 0.0032 ug/L | 3/8 | 2025 |
| PFOA | 0.0085 ug/L | 3/8 | 2025 |
| PFHxS | 0.0040 ug/L | 1/8 | 2025 |
| PFOS | 0.0075 ug/L | 1/8 | 2025 |
| PFPeA | 0.0031 ug/L | 1/8 | 2025 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| COPPER, FREE | 1010 UG/L | 211/220 | SYR4 | 2012–2019 |
| Chlorite | 820 UG/L | 87/105 | SYR4 | 2012–2019 |
| Bromodichloromethane | 14 UG/L | 73/83 | SYR4 | 2012–2019 |
| Chloroform | 130 UG/L | 73/83 | SYR4 | 2012–2019 |
| TTHM | 145 UG/L | 65/65 | SYR4 | 2012–2019 |
| Nitrate | 860 UG/L | 62/62 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 41 UG/L | 57/65 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 72 UG/L | 57/65 | SYR4 | 2012–2019 |
| Lead | 83 UG/L | 56/220 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 37 UG/L | 50/65 | SYR4 | 2012–2019 |
| LEAD SUMMARY | 0.0100 mg/L | 49/49 | LCR | 2025 |
| Dibromochloromethane | 6.3 UG/L | 48/83 | SYR4 | 2012–2019 |
| Nitrate-Nitrite | 930 UG/L | 40/40 | SYR4 | 2012–2019 |
| Barium | 29 UG/L | 20/20 | SYR4 | 2012–2019 |
| Bromoform | 1.9 UG/L | 20/83 | SYR4 | 2012–2019 |
| Dibromoacetic acid | 2.5 UG/L | 10/65 | SYR4 | 2012–2019 |
| Arsenic | 1.4 UG/L | 5/20 | SYR4 | 2012–2019 |
| Tetrachloroethylene | 0.9900 UG/L | 3/57 | SYR4 | 2012–2019 |
| Monochloroacetic acid | 3.9 UG/L | 2/65 | SYR4 | 2012–2019 |
| Nitrite | 7 UG/L | 2/31 | SYR4 | 2012–2019 |
| Di(2-ethylhexyl) adipate | 0.6415 UG/L | 1/9 | SYR4 | 2012–2019 |
| Fluoride | 130 UG/L | 1/20 | SYR4 | 2012–2019 |
83 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 tetrachlorideChlordaneChromiumCombined Radium (-226 and -228)Combined UraniumDICHLOROMETHANEDalaponDi(2-ethylhexyl) phthalateDinosebDiquatETHYLENE DIBROMIDEEndrinEthylbenzeneGlyphosateGross Alpha, Excl. Radon and UHEXACHLOROBENZENEHFPO-DAHeptachlorHeptachlor epoxideHexachlorocyclopentadieneLASSOMercuryMethoxychlorMonobromoacetic acidNEtFOSAANFDHANMeFOSAAOXAMYLPFBAPFDAPFDoAPFEESAPFHpAPFHpSPFHxAPFMBAPFMPAPFNAPFPeSPFTAPFTrDAPFUnAPentachlorophenolPicloramSeleniumSimazineStyreneThallium, TotalTolueneTotal Polychlorinated Biphenyls (PCB)ToxapheneTrichloroethyleneVinyl chloridecis-1,2-Dichloroethylenelithiumo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene
Areas served
PUTNAMTHOMPSONWOODSTOCK