Howard County DPW Distribution (MD) Water Quality

Howard County DPW Distribution is a large public water system in EPA region 3 that provides tap water for the 21045 zip codes. It has 5 facilities where the water supply was tested for 75 chemical contaminants that impact tap water quality and human health.

The maximum reported level of HAA5 (five regulated haloacetic acids) was 55.29 µg/L. The maximum reported level of Manganese was 1.7 µg/L. There were 2 contamintants found in the Howard County DPW Distribution water supply at levels that were above the minimum reporting level.

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Contaminants

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• 1,1-dichloroethane (8)
• 1,2,3-trichloropropane (8)
• 1,3-butadiene (8)
• 1,4-dioxane (8)
• 1-butanol (6)
• 11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (8)
• 17-alpha-ethynylestradiol (5)
• 17-beta-estradiol (5)
• 1H,1H,2H,2H-perfluorodecane sulfonic acid (8)
• 1H,1H,2H,2H-perfluorohexane sulfonic acid (8)
• 1H,1H,2H,2H-perfluorooctane sulfonic acid (8)
• 2-methoxyethanol (6)
• 2-propen-1-ol (Allyl Alcohol) (6)
• 4,8-dioxa-3H-perfluorononanoic acid (8)
• 4-androstene-3,17-dione (5)
• 9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (8)
• alpha-hexachlorocyclohexane (8)
• anatoxin-a (14)
• bromochloromethane (Halon 1011) (8)
• bromomethane (8)
• Butylated Hydroxyanisole (6)
• chlorate (16)
• chlorodifluoromethane (HCFC-22) (8)
• chloromethane (8)
• chlorpyrifos (8)
• chromium (16)
• chromium-6 (16)
• cobalt (16)
• cylindrospermopsin (14)
• dimethipin (8)
• equilin (5)
• estriol (5)
• estrone (5)
• ethoprop (8)
• Germanium (8)
• HAA5 (five regulated haloacetic acids) (31)
• HAA6Br (six brominated haloacetic acids) (31)
• HAA9 (nine haloacetic acids) (31)
• hexafluoropropylene oxide dimer acid (GenX) (8)
• lithium (8)
• Manganese (8)
• molybdenum (16)
• N-ethyl perfluorooctanesulfonamidoacetic acid (8)
• N-methyl perfluorooctanesulfonamidoacetic acid (8)
• nonafluoro-3,6-dioxaheptanoic acid (8)
• o-toluidine (6)
• oxyfluorfen (8)
• perfluoro(2-ethoxyethane)sulfonic acid (8)
• perfluoro-3-methoxypropanoic acid (8)
• perfluoro-4-methoxybutanoic acid (8)
• perfluorobutanesulfonic acid (16)
• perfluorobutanoic acid (8)
• perfluorodecanoic acid (8)
• perfluorododecanoic acid (8)
• perfluoroheptanesulfonic acid (8)
• perfluoroheptanoic acid (16)
• perfluorohexanesulfonic acid (16)
• perfluorohexanoic acid (8)
• perfluorononanoic acid (16)
• perfluorooctanesulfonic acid (16)
• perfluorooctanoic acid (16)
• perfluoropentanesulfonic acid (8)
• perfluoropentanoic acid (8)
• perfluorotetradecanoic acid (8)
• perfluorotridecanoic acid (8)
• perfluoroundecanoic acid (8)
• profenofos (8)
• quinoline (6)
• strontium (16)
• tebuconazole (8)
• testosterone (5)
• total microcystins (14)
• Total Permethrin (8)
• tribufos (8)
• vanadium (16)