WILLIAMSTON, TOWN OF
NC · PWS ID NC0459010 · Community water system
106
contaminants tested
18
detected
7,650
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFOS | 0.0048 ug/L | 3/12 | 2024 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| COPPER, FREE | 577 UG/L | 139/167 | SYR4 | 2012–2017 |
| Total Haloacetic Acids (HAA5) | 38.6 UG/L | 46/46 | SYR4 | 2012–2019 |
| TTHM | 83 UG/L | 45/46 | SYR4 | 2012–2019 |
| Bromodichloromethane | 16 UG/L | 35/38 | SYR4 | 2014–2019 |
| Chloroform | 39.4 UG/L | 35/38 | SYR4 | 2014–2019 |
| Dibromochloromethane | 32 UG/L | 32/38 | SYR4 | 2014–2019 |
| Dichloroacetic Acid | 23.9 UG/L | 29/38 | SYR4 | 2014–2019 |
| Trichloroacetic Acid | 15.3 UG/L | 27/38 | SYR4 | 2014–2019 |
| LEAD SUMMARY | 0.0050 mg/L | 17/17 | LCR | 2025 |
| Dibromoacetic acid | 11.2 UG/L | 15/38 | SYR4 | 2014–2019 |
| Fluoride | 2400 UG/L | 15/15 | SYR4 | 2012–2018 |
| Bromoform | 46 UG/L | 11/38 | SYR4 | 2014–2019 |
| DICHLOROMETHANE | 3 UG/L | 3/22 | SYR4 | 2013–2019 |
| Lead | 8 UG/L | 3/167 | SYR4 | 2012–2017 |
| Monochloroacetic acid | 2.7 UG/L | 3/38 | SYR4 | 2014–2019 |
| Monobromoacetic acid | 1 UG/L | 1/38 | SYR4 | 2014–2019 |
| lithium | 9.03 ug/L | 1/12 | UCMR-5 | 2023 |
88 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-GAMMABariumBenzeneBenzo(a)pyreneBeryllium, TotalCHLOROBENZENECYANIDECadmiumCarbofuranCarbon tetrachlorideChlordaneChromiumCombined Radium (-226 and -228)Combined UraniumDalaponDi(2-ethylhexyl) adipateDi(2-ethylhexyl) phthalateDinosebETHYLENE DIBROMIDEEndrinEthylbenzeneHEXACHLOROBENZENEHFPO-DAHeptachlorHeptachlor epoxideHexachlorocyclopentadieneLASSOMercuryMethoxychlorNEtFOSAANFDHANMeFOSAANitrateOXAMYLPFBAPFBSPFDAPFDoAPFEESAPFHpAPFHpSPFHxAPFHxSPFMBAPFMPAPFNAPFOAPFPeAPFPeSPFTAPFTrDAPFUnAPentachlorophenolPicloramSeleniumSimazineStyreneTetrachloroethyleneThallium, TotalTolueneTotal Polychlorinated Biphenyls (PCB)ToxapheneTrichloroethyleneVinyl chlorideXylenes, Totalcis-1,2-Dichloroethyleneo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene
Areas served
WILLIAMSTON