MARYLAND AMERICAN WATER COMPANY
MD · PWS ID MD0120003 · Community water system
111
contaminants tested
29
detected
13,200
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFBS | 0.0071 ug/L | 4/6 | 2024 |
| PFHxA | 0.0095 ug/L | 4/6 | 2024 |
| PFOS | 0.0091 ug/L | 3/6 | 2024 |
| PFPeA | 0.0105 ug/L | 3/6 | 2024 |
| PFBA | 0.0087 ug/L | 2/6 | 2024 |
| PFOA | 0.0093 ug/L | 2/6 | 2024 |
| 6:2 FTS | 0.0072 ug/L | 1/6 | 2024 |
| PFHpA | 0.0041 ug/L | 1/6 | 2024 |
| PFHxS | 0.0034 ug/L | 1/6 | 2024 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| TTHM | 119.1 UG/L | 129/129 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 86 UG/L | 127/127 | SYR4 | 2012–2019 |
| Chloroform | 98.3 UG/L | 94/112 | SYR4 | 2012–2019 |
| Bromodichloromethane | 17.5 UG/L | 64/112 | SYR4 | 2012–2019 |
| Dibromochloromethane | 3.3 UG/L | 63/112 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 34.4 UG/L | 52/52 | SYR4 | 2012–2015 |
| Dichloroacetic Acid | 35.6 UG/L | 51/52 | SYR4 | 2012–2015 |
| Nitrate | 4750 UG/L | 32/32 | SYR4 | 2012–2019 |
| Monobromoacetic acid | 9.6 UG/L | 29/52 | SYR4 | 2012–2015 |
| Nitrate-Nitrite | 4750 UG/L | 19/19 | SYR4 | 2012–2019 |
| Fluoride | 900 UG/L | 18/18 | SYR4 | 2012–2019 |
| LEAD SUMMARY | 0.0390 mg/L | 15/15 | LCR | 2023 |
| Monochloroacetic acid | 5 UG/L | 8/52 | SYR4 | 2012–2015 |
| Dibromoacetic acid | 1.2 UG/L | 5/52 | SYR4 | 2012–2015 |
| Combined Radium (-226 and -228) | 1.712 PCI/L | 4/6 | SYR4 | 2014–2017 |
| Gross Alpha, Excl. Radon and U | 17.2 PCI/L | 4/9 | SYR4 | 2014–2017 |
| Atrazine | 0.1000 UG/L | 3/33 | SYR4 | 2012–2019 |
| Combined Uranium | 9.453901 UG/L | 3/7 | SYR4 | 2014–2017 |
| Gross Beta Particle Activity | 2.34 PCI/L | 3/5 | SYR4 | 2014–2017 |
| CYANIDE | 6 UG/L | 1/15 | SYR4 | 2012–2019 |
82 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 FTS8:2 FTS9Cl-PF3ONSADONAAntimony, TotalArsenicBHC-GAMMABariumBenzeneBenzo(a)pyreneBeryllium, TotalBromoformCHLOROBENZENECadmiumCarbofuranCarbon tetrachlorideChlordaneChloriteChromiumDICHLOROMETHANEDalaponDi(2-ethylhexyl) adipateDi(2-ethylhexyl) phthalateDinosebDiquatETHYLENE DIBROMIDEEndothallEndrinEthylbenzeneGlyphosateHEXACHLOROBENZENEHFPO-DAHeptachlorHeptachlor epoxideHexachlorocyclopentadieneLASSOMercuryMethoxychlorNEtFOSAANFDHANMeFOSAANitriteOXAMYLPFDAPFDoAPFEESAPFHpSPFMBAPFMPAPFNAPFPeSPFTAPFTrDAPFUnAPentachlorophenolPicloramSeleniumSimazineStyreneTetrachloroethyleneThallium, TotalTolueneTotal Polychlorinated Biphenyls (PCB)ToxapheneTrichloroethyleneVinyl chlorideXylenes, Totalcis-1,2-Dichloroethylenelithiumo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene