TOWN OF POOLESVILLE
MD · PWS ID MD0150002 · Community water system
104
contaminants tested
30
detected
6,005
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFOA | 0.0054 ug/L | 9/19 | 2025 |
| PFOS | 0.0065 ug/L | 7/19 | 2025 |
| PFBS | 0.0048 ug/L | 6/19 | 2025 |
| PFHxA | 0.0098 ug/L | 6/19 | 2025 |
| PFPeA | 0.0151 ug/L | 6/19 | 2025 |
| PFBA | 0.0089 ug/L | 4/19 | 2025 |
| PFHpA | 0.0054 ug/L | 2/19 | 2025 |
| PFHxS | 0.0069 ug/L | 2/19 | 2025 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| Nitrate | 7900 UG/L | 284/288 | SYR4 | 2012–2019 |
| Gross Alpha, Excl. Radon and U | 53.95 PCI/L | 143/170 | SYR4 | 2012–2019 |
| Combined Uranium | 40.9303 UG/L | 114/139 | SYR4 | 2012–2019 |
| Combined Radium (-226 and -228) | 3.75 PCI/L | 81/91 | SYR4 | 2012–2019 |
| TTHM | 45.51 UG/L | 42/43 | SYR4 | 2012–2019 |
| Chloroform | 12.63 UG/L | 37/53 | SYR4 | 2012–2019 |
| Dibromochloromethane | 6 UG/L | 36/54 | SYR4 | 2012–2019 |
| Bromodichloromethane | 8.09 UG/L | 35/53 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 11.65 UG/L | 34/42 | SYR4 | 2012–2019 |
| Bromoform | 3 UG/L | 27/52 | SYR4 | 2012–2019 |
| Barium | 1050 UG/L | 25/27 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 10.4 UG/L | 20/26 | SYR4 | 2012–2015 |
| lithium | 41.1 ug/L | 19/19 | UCMR-5 | 2025 |
| Dibromoacetic acid | 2 UG/L | 12/26 | SYR4 | 2012–2015 |
| LEAD SUMMARY | 0.0060 mg/L | 11/11 | LCR | 2018 |
| Gross Beta Particle Activity | 7.2 PCI/L | 10/39 | SYR4 | 2012–2019 |
| Arsenic | 2.34 UG/L | 7/30 | SYR4 | 2012–2018 |
| Nitrate-Nitrite | 6800 UG/L | 7/7 | SYR4 | 2012–2017 |
| Trichloroacetic Acid | 4.69 UG/L | 7/26 | SYR4 | 2012–2015 |
| Selenium | 1.88 UG/L | 3/25 | SYR4 | 2012–2018 |
| Fluoride | 200 UG/L | 1/19 | SYR4 | 2012–2018 |
| Monochloroacetic acid | 3.51 UG/L | 1/26 | SYR4 | 2012–2015 |
74 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, TotalCHLOROBENZENECadmiumCarbofuranCarbon tetrachlorideChlordaneChromiumDICHLOROMETHANEDalaponDi(2-ethylhexyl) adipateDi(2-ethylhexyl) phthalateDinosebETHYLENE DIBROMIDEEndrinEthylbenzeneHEXACHLOROBENZENEHFPO-DAHeptachlorHeptachlor epoxideHexachlorocyclopentadieneLASSOMercuryMethoxychlorMonobromoacetic acidNEtFOSAANFDHANMeFOSAANitriteOXAMYLPFDAPFDoAPFEESAPFHpSPFMBAPFMPAPFNAPFPeSPFTAPFTrDAPFUnAPentachlorophenolPicloramSimazineStyreneTetrachloroethyleneThallium, TotalTolueneTrichloroethyleneVinyl chlorideXylenes, Totalcis-1,2-Dichloroethyleneo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene