TOWN OF MANCHESTER
MD · PWS ID MD0060006 · Community water system
103
contaminants tested
25
detected
4,954
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFBS | 0.0168 ug/L | 13/22 | 2024 |
| PFHxA | 0.0036 ug/L | 11/22 | 2024 |
| PFPeA | 0.0037 ug/L | 10/22 | 2024 |
| PFOA | 0.0047 ug/L | 6/22 | 2024 |
| PFBA | 0.0057 ug/L | 1/22 | 2024 |
| PFHxS | 0.0031 ug/L | 1/22 | 2024 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| Nitrate | 12800 UG/L | 850/864 | SYR4 | 2012–2019 |
| Barium | 83 UG/L | 41/59 | SYR4 | 2012–2019 |
| Chromium | 16 UG/L | 23/60 | SYR4 | 2012–2019 |
| Chloroform | 5.06 UG/L | 19/37 | SYR4 | 2012–2019 |
| TTHM | 17.11 UG/L | 17/22 | SYR4 | 2012–2019 |
| LEAD SUMMARY | 0.0090 mg/L | 14/14 | LCR | 2023 |
| Nitrate-Nitrite | 6960 UG/L | 9/9 | SYR4 | 2015–2018 |
| Bromodichloromethane | 1.7 UG/L | 7/37 | SYR4 | 2012–2019 |
| Dibromochloromethane | 2.28 UG/L | 6/37 | SYR4 | 2012–2019 |
| Combined Radium (-226 and -228) | 1 PCI/L | 5/14 | SYR4 | 2016–2019 |
| Bromoform | 3.57 UG/L | 4/37 | SYR4 | 2012–2019 |
| Arsenic | 3.8 UG/L | 3/60 | SYR4 | 2012–2019 |
| Gross Alpha, Excl. Radon and U | 5.5 PCI/L | 3/21 | SYR4 | 2013–2019 |
| Gross Beta Particle Activity | 5.2 PCI/L | 3/15 | SYR4 | 2015–2019 |
| Selenium | 18 UG/L | 3/60 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 1.4 UG/L | 3/22 | SYR4 | 2012–2019 |
| CHLOROBENZENE | 0.5000 UG/L | 1/36 | SYR4 | 2012–2019 |
| Fluoride | 100 UG/L | 1/60 | SYR4 | 2012–2019 |
| trans-1,2-Dichloroethylene | 0.5000 UG/L | 1/41 | SYR4 | 2012–2019 |
78 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, TotalCadmiumCarbofuranCarbon tetrachlorideChlordaneDICHLOROMETHANEDalaponDi(2-ethylhexyl) adipateDi(2-ethylhexyl) phthalateDibromoacetic acidDichloroacetic AcidDinosebETHYLENE DIBROMIDEEndrinEthylbenzeneHEXACHLOROBENZENEHFPO-DAHeptachlorHeptachlor epoxideHexachlorocyclopentadieneLASSOMercuryMethoxychlorMonobromoacetic acidMonochloroacetic acidNEtFOSAANFDHANMeFOSAANitriteOXAMYLPFDAPFDoAPFEESAPFHpAPFHpSPFMBAPFMPAPFNAPFOSPFPeSPFTAPFTrDAPFUnAPentachlorophenolPicloramSimazineStyreneTetrachloroethyleneThallium, TotalTolueneTrichloroacetic AcidTrichloroethyleneVinyl chlorideXylenes, Totalcis-1,2-Dichloroethylenelithiumo-Dichlorobenzenep-Dichlorobenzene