CITY OF WESTMINSTER
MD · PWS ID MD0060015 · Community water system
107
contaminants tested
32
detected
35,256
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFBS | 0.0086 ug/L | 15/28 | 2025 |
| PFPeA | 0.0667 ug/L | 12/28 | 2025 |
| PFHxA | 0.0246 ug/L | 11/28 | 2025 |
| PFOA | 0.0124 ug/L | 10/28 | 2025 |
| PFHxS | 0.0042 ug/L | 7/28 | 2025 |
| PFHpA | 0.0081 ug/L | 6/28 | 2025 |
| PFBA | 0.0201 ug/L | 4/28 | 2025 |
| PFOS | 0.0069 ug/L | 4/28 | 2025 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| Nitrate | 7870 UG/L | 250/250 | SYR4 | 2012–2019 |
| TTHM | 136.6 UG/L | 130/130 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 116.3 UG/L | 121/128 | SYR4 | 2012–2019 |
| Chloroform | 105 UG/L | 78/88 | SYR4 | 2012–2019 |
| Dibromochloromethane | 4.2 UG/L | 71/89 | SYR4 | 2012–2019 |
| Bromodichloromethane | 16.9 UG/L | 70/88 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 59 UG/L | 53/60 | SYR4 | 2012–2015 |
| Trichloroacetic Acid | 30.5 UG/L | 48/60 | SYR4 | 2012–2015 |
| Barium | 92 UG/L | 33/37 | SYR4 | 2012–2019 |
| Fluoride | 1020 UG/L | 25/38 | SYR4 | 2012–2019 |
| LEAD SUMMARY | 0.0220 mg/L | 17/17 | LCR | 2024 |
| Chromium | 11 UG/L | 13/37 | SYR4 | 2012–2019 |
| Monochloroacetic acid | 7 UG/L | 9/60 | SYR4 | 2012–2015 |
| Di(2-ethylhexyl) phthalate | 2.71 UG/L | 7/41 | SYR4 | 2012–2019 |
| Nitrate-Nitrite | 7580 UG/L | 6/6 | SYR4 | 2016–2019 |
| Selenium | 21 UG/L | 6/37 | SYR4 | 2012–2019 |
| Combined Radium (-226 and -228) | 1.8 PCI/L | 4/9 | SYR4 | 2015–2019 |
| Gross Alpha, Excl. Radon and U | 3 PCI/L | 4/14 | SYR4 | 2012–2019 |
| Gross Beta Particle Activity | 6 PCI/L | 4/11 | SYR4 | 2012–2019 |
| Atrazine | 0.4800 UG/L | 3/42 | SYR4 | 2012–2019 |
| Bromoform | 1.6 UG/L | 3/85 | SYR4 | 2012–2018 |
| Cadmium | 3.9 UG/L | 3/37 | SYR4 | 2012–2019 |
| Dibromoacetic acid | 2.4 UG/L | 3/60 | SYR4 | 2012–2015 |
| Arsenic | 5.5 UG/L | 2/38 | SYR4 | 2012–2019 |
75 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, TotalBHC-GAMMABenzeneBenzo(a)pyreneBeryllium, TotalCHLOROBENZENECOPPER, FREECarbofuranCarbon tetrachlorideChlordaneDICHLOROMETHANEDalaponDi(2-ethylhexyl) adipateDinosebETHYLENE DIBROMIDEEndrinEthylbenzeneHEXACHLOROBENZENEHFPO-DAHeptachlorHeptachlor epoxideHexachlorocyclopentadieneLASSOLeadMercuryMethoxychlorMonobromoacetic acidNEtFOSAANFDHANMeFOSAANitriteOXAMYLPFDAPFDoAPFEESAPFHpSPFMBAPFMPAPFNAPFPeSPFTAPFTrDAPFUnAPentachlorophenolPicloramSimazineStyreneTetrachloroethyleneThallium, TotalTolueneTotal Polychlorinated Biphenyls (PCB)ToxapheneTrichloroethyleneVinyl chlorideXylenes, Totalcis-1,2-Dichloroethylenelithiumo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene