TOWN OF MOUNT AIRY
MD · PWS ID MD0060007 · Community water system
102
contaminants tested
21
detected
9,890
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFHxA | 0.0184 ug/L | 8/10 | 2023 |
| PFPeA | 0.0227 ug/L | 8/10 | 2023 |
| PFOA | 0.0127 ug/L | 7/10 | 2023 |
| PFBS | 0.0066 ug/L | 5/10 | 2023 |
| PFHpA | 0.0059 ug/L | 2/10 | 2023 |
| PFOS | 0.0060 ug/L | 2/10 | 2023 |
| PFBA | 0.0116 ug/L | 1/10 | 2023 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| Nitrate | 9300 UG/L | 208/208 | SYR4 | 2012–2019 |
| LEAD SUMMARY | 0.0100 mg/L | 14/14 | LCR | 2024 |
| Fluoride | 1250 UG/L | 12/15 | SYR4 | 2012–2018 |
| Nitrate-Nitrite | 5700 UG/L | 11/11 | SYR4 | 2015 |
| Chloroform | 3.9 UG/L | 8/11 | SYR4 | 2012–2019 |
| TTHM | 8.2 UG/L | 7/7 | SYR4 | 2014–2019 |
| Total Haloacetic Acids (HAA5) | 1.9 UG/L | 6/7 | SYR4 | 2014–2019 |
| Bromodichloromethane | 2.7 UG/L | 5/11 | SYR4 | 2012–2019 |
| Di(2-ethylhexyl) phthalate | 2.19 UG/L | 4/13 | SYR4 | 2012–2018 |
| Dibromochloromethane | 1.6 UG/L | 2/9 | SYR4 | 2012–2015 |
| Dichloroacetic Acid | 1.9 UG/L | 2/2 | SYR4 | 2014 |
| Arsenic | 2.3 UG/L | 1/17 | SYR4 | 2012–2019 |
| Combined Radium (-226 and -228) | 3 PCI/L | 1/3 | SYR4 | 2016 |
| Selenium | 7.2 UG/L | 1/18 | SYR4 | 2012–2019 |
81 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-GAMMABariumBenzeneBenzo(a)pyreneBeryllium, TotalBromoformCHLOROBENZENECadmiumCarbofuranCarbon tetrachlorideChlordaneChromiumDICHLOROMETHANEDalaponDi(2-ethylhexyl) adipateDibromoacetic acidDinosebETHYLENE DIBROMIDEEndrinEthylbenzeneGross Alpha, Excl. Radon and UGross Beta Particle ActivityHEXACHLOROBENZENEHFPO-DAHeptachlorHeptachlor epoxideHexachlorocyclopentadieneLASSOMercuryMethoxychlorMonobromoacetic acidMonochloroacetic acidNEtFOSAANFDHANMeFOSAAOXAMYLPFDAPFDoAPFEESAPFHpSPFHxSPFMBAPFMPAPFNAPFPeSPFTAPFTrDAPFUnAPentachlorophenolPicloramSimazineStyreneTetrachloroethyleneThallium, TotalTolueneTrichloroacetic AcidTrichloroethyleneVinyl chlorideXylenes, Totalcis-1,2-Dichloroethylenelithiumo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene