TOWN OF ROCK HALL
MD · PWS ID MD0140006 · Community water system
68
contaminants tested
13
detected
1,750
people served
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| LEAD SUMMARY | 0.0070 mg/L | 12/12 | LCR | 2023 |
| TTHM | 40.8 UG/L | 12/13 | SYR4 | 2013–2019 |
| Total Haloacetic Acids (HAA5) | 12.3 UG/L | 11/13 | SYR4 | 2013–2019 |
| Bromodichloromethane | 11.5 UG/L | 10/10 | SYR4 | 2013–2017 |
| Chloroform | 23.1 UG/L | 10/10 | SYR4 | 2013–2017 |
| Dibromochloromethane | 8.2 UG/L | 10/10 | SYR4 | 2013–2017 |
| Bromoform | 1.48 UG/L | 4/11 | SYR4 | 2013–2017 |
| Dichloroacetic Acid | 6.7 UG/L | 4/5 | SYR4 | 2013–2015 |
| Monochloroacetic acid | 2.6 UG/L | 4/5 | SYR4 | 2013–2015 |
| Trichloroacetic Acid | 3 UG/L | 4/5 | SYR4 | 2013–2015 |
| Fluoride | 870 UG/L | 3/4 | SYR4 | 2012–2019 |
| Arsenic | 1.9 UG/L | 1/3 | SYR4 | 2012–2018 |
| Dibromoacetic acid | 1.11 UG/L | 1/6 | SYR4 | 2013–2015 |
55 contaminants tested, none detected
1,1,1-Trichloroethane1,1,2-Trichloroethane1,1-Dichloroethylene1,2,4-Trichlorobenzene1,2-DIBROMO-3-CHLOROPROPANE1,2-Dichloroethane1,2-Dichloropropane2,4,5-TP2,4-DAntimony, TotalAtrazineBHC-GAMMABariumBenzeneBenzo(a)pyreneBeryllium, TotalCHLOROBENZENECadmiumCarbofuranCarbon tetrachlorideChlordaneChromiumDICHLOROMETHANEDalaponDi(2-ethylhexyl) adipateDi(2-ethylhexyl) phthalateDinosebETHYLENE DIBROMIDEEndrinEthylbenzeneHEXACHLOROBENZENEHeptachlorHeptachlor epoxideHexachlorocyclopentadieneLASSOMercuryMethoxychlorMonobromoacetic acidNitrateOXAMYLPentachlorophenolPicloramSeleniumSimazineStyreneTetrachloroethyleneThallium, TotalTolueneTrichloroethyleneVinyl chlorideXylenes, Totalcis-1,2-Dichloroethyleneo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene