JAMESTOWN WATER DEPARTMENT
RI · PWS ID RI1858419 · Community water system
107
contaminants tested
21
detected
3,348
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFBA | 0.0120 ug/L | 1/4 | 2023 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| Chlorite | 870 UG/L | 253/288 | SYR4 | 2012–2019 |
| Nitrate | 1020 UG/L | 44/44 | SYR4 | 2012–2019 |
| TTHM | 72 UG/L | 32/32 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 41.9 UG/L | 30/32 | SYR4 | 2012–2019 |
| LEAD SUMMARY | 0.5340 mg/L | 26/26 | LCR | 2025 |
| COPPER, FREE | 338 UG/L | 20/20 | SYR4 | 2016–2019 |
| Barium | 17 UG/L | 19/19 | SYR4 | 2012–2019 |
| Bromodichloromethane | 13.2 UG/L | 10/10 | SYR4 | 2017–2019 |
| Chloroform | 46.6 UG/L | 10/10 | SYR4 | 2017–2019 |
| Dibromochloromethane | 3.3 UG/L | 10/10 | SYR4 | 2017–2019 |
| Dichloroacetic Acid | 18 UG/L | 10/10 | SYR4 | 2017–2019 |
| Trichloroacetic Acid | 14.5 UG/L | 10/10 | SYR4 | 2017–2019 |
| Lead | 4 UG/L | 7/20 | SYR4 | 2016–2019 |
| Nitrate-Nitrite | 810 UG/L | 5/5 | SYR4 | 2013–2019 |
| Monochloroacetic acid | 3.8 UG/L | 4/10 | SYR4 | 2017–2019 |
| Arsenic | 2 UG/L | 1/19 | SYR4 | 2012–2019 |
| Chromium | 3 UG/L | 1/19 | SYR4 | 2012–2019 |
| Fluoride | 200 UG/L | 1/19 | SYR4 | 2012–2019 |
| LASSO | 0.1000 UG/L | 1/6 | SYR4 | 2014–2017 |
| Selenium | 3 UG/L | 1/19 | SYR4 | 2012–2019 |
86 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, TotalBromoformCHLOROBENZENECYANIDECadmiumCarbofuranCarbon tetrachlorideChlordaneCombined Radium (-226 and -228)DICHLOROMETHANEDalaponDi(2-ethylhexyl) adipateDi(2-ethylhexyl) phthalateDibromoacetic acidDinosebETHYLENE DIBROMIDEEndrinEthylbenzeneHEXACHLOROBENZENEHFPO-DAHeptachlorHeptachlor epoxideHexachlorocyclopentadieneMercuryMethoxychlorMonobromoacetic acidNEtFOSAANFDHANMeFOSAANitriteOXAMYLPFBSPFDAPFDoAPFEESAPFHpAPFHpSPFHxAPFHxSPFMBAPFMPAPFNAPFOAPFOSPFPeAPFPeSPFTAPFTrDAPFUnAPentachlorophenolPicloramSimazineStyreneTetrachloroethyleneThallium, TotalTolueneToxapheneTrichloroethyleneVinyl chlorideXylenes, Totalcis-1,2-Dichloroethylenelithiumo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene
Areas served
JAMESTOWN