CITY OF FREDERICK
MD · PWS ID MD0100015 · Community water system
104
contaminants tested
23
detected
54,000
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFPeA | 0.0031 ug/L | 1/16 | 2024 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| Total Haloacetic Acids (HAA5) | 110.8 UG/L | 270/270 | SYR4 | 2012–2019 |
| TTHM | 185.8 UG/L | 266/266 | SYR4 | 2012–2019 |
| Bromodichloromethane | 18.8 UG/L | 135/136 | SYR4 | 2012–2019 |
| Chloroform | 120 UG/L | 135/136 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 58 UG/L | 119/119 | SYR4 | 2012–2015 |
| Trichloroacetic Acid | 52.6 UG/L | 119/119 | SYR4 | 2012–2015 |
| Dibromochloromethane | 8.2 UG/L | 100/135 | SYR4 | 2012–2019 |
| Fluoride | 940 UG/L | 48/48 | SYR4 | 2012–2019 |
| Monochloroacetic acid | 6.1 UG/L | 37/119 | SYR4 | 2012–2015 |
| Dibromoacetic acid | 2.3 UG/L | 23/119 | SYR4 | 2012–2015 |
| Barium | 50 UG/L | 22/30 | SYR4 | 2012–2019 |
| Nitrate | 3400 UG/L | 22/30 | SYR4 | 2012–2017 |
| Atrazine | 1.67 UG/L | 18/56 | SYR4 | 2012–2019 |
| Nitrate-Nitrite | 3400 UG/L | 15/21 | SYR4 | 2014–2019 |
| LEAD SUMMARY | 0.0140 mg/L | 14/14 | LCR | 2021 |
| Simazine | 1.05 UG/L | 8/56 | SYR4 | 2012–2019 |
| Bromoform | 0.9000 UG/L | 2/134 | SYR4 | 2012–2018 |
| ETHYLENE DIBROMIDE | 0.0100 UG/L | 2/29 | SYR4 | 2012–2018 |
| Hexachlorocyclopentadiene | 0.2700 UG/L | 2/56 | SYR4 | 2012–2019 |
| Monobromoacetic acid | 2.1 UG/L | 2/119 | SYR4 | 2012–2015 |
| 1,2-DIBROMO-3-CHLOROPROPANE | 0.0100 UG/L | 1/29 | SYR4 | 2012–2018 |
| Gross Beta Particle Activity | 4 PCI/L | 1/3 | SYR4 | 2012–2014 |
81 contaminants tested, none detected
1,1,1-Trichloroethane1,1,2-Trichloroethane1,1-Dichloroethylene1,2,4-Trichlorobenzene1,2-Dichloroethane1,2-Dichloropropane11Cl-PF3OUdS2,4,5-TP2,4-D4:2 FTS6:2 FTS8:2 FTS9Cl-PF3ONSADONAAntimony, TotalArsenicBHC-GAMMABenzeneBenzo(a)pyreneBeryllium, TotalCHLOROBENZENECadmiumCarbofuranCarbon tetrachlorideChlordaneChromiumDICHLOROMETHANEDalaponDi(2-ethylhexyl) adipateDi(2-ethylhexyl) phthalateDinosebEndrinEthylbenzeneGross Alpha, Excl. Radon and UHEXACHLOROBENZENEHFPO-DAHeptachlorHeptachlor epoxideLASSOMercuryMethoxychlorNEtFOSAANFDHANMeFOSAANitriteOXAMYLPFBAPFBSPFDAPFDoAPFEESAPFHpAPFHpSPFHxAPFHxSPFMBAPFMPAPFNAPFOAPFOSPFPeSPFTAPFTrDAPFUnAPentachlorophenolPicloramSeleniumStyreneTetrachloroethyleneThallium, TotalTolueneTotal Polychlorinated Biphenyls (PCB)ToxapheneTrichloroethyleneVinyl chlorideXylenes, Totalcis-1,2-Dichloroethylenelithiumo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene