Merck & Co., Inc. (PA) Water Quality

Merck & Co., Inc. is a small public water system in EPA region 3 that provides tap water for the 19486 zip codes. It has 4 facilities where the water supply was tested for 50 chemical contaminants that impact tap water quality and human health.

The maximum reported level of Manganese was 140 µg/L. There were 1 contamintants found in the Merck & Co., Inc. water supply at levels that were above the minimum reporting level.

Contaminants

1,1-dichloroethane (4)

1,2,3-trichloropropane (4)

1,3-butadiene (4)

1,4-dioxane (4)

11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (4)

1H,1H,2H,2H-perfluorodecane sulfonic acid (4)

1H,1H,2H,2H-perfluorohexane sulfonic acid (4)

1H,1H,2H,2H-perfluorooctane sulfonic acid (4)

4,8-dioxa-3H-perfluorononanoic acid (4)

9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (4)

anatoxin-a (7)

bromochloromethane (Halon 1011) (4)

bromomethane (4)

chlorate (8)

chlorodifluoromethane (HCFC-22) (4)

chloromethane (4)

chromium (8)

chromium-6 (8)

cobalt (8)

cylindrospermopsin (7)

Germanium (8)

hexafluoropropylene oxide dimer acid (GenX) (4)

lithium (4)

Manganese (8)

molybdenum (8)

N-ethyl perfluorooctanesulfonamidoacetic acid (4)

N-methyl perfluorooctanesulfonamidoacetic acid (4)

nonafluoro-3,6-dioxaheptanoic acid (4)

perfluoro(2-ethoxyethane)sulfonic acid (4)

perfluoro-3-methoxypropanoic acid (4)

perfluoro-4-methoxybutanoic acid (4)

perfluorobutanesulfonic acid (8)

perfluorobutanoic acid (4)

perfluorodecanoic acid (4)

perfluorododecanoic acid (4)

perfluoroheptanesulfonic acid (4)

perfluoroheptanoic acid (8)

perfluorohexanesulfonic acid (8)

perfluorohexanoic acid (4)

perfluorononanoic acid (8)

perfluorooctanesulfonic acid (8)

perfluorooctanoic acid (8)

perfluoropentanesulfonic acid (4)

perfluoropentanoic acid (4)

perfluorotetradecanoic acid (4)

perfluorotridecanoic acid (4)

perfluoroundecanoic acid (4)

strontium (8)

total microcystins (7)

vanadium (8)

Sampling Facilities

BLDG #13/13B
Surface Water (SW)

Entry PointEntry Point to the Distribution System (EP)

Treatment Plant
Multiple Sources (MX)

Entry Point 101 - Compliance POE Sample TapEntry Point to the Distribution System (EP)

B13/13B
Multiple Sources (MX)

EP101Entry Point to the Distribution System (EP)

Distribution System
Multiple Sources (MX)

Building 39Maximum Residence Time (MR)

FAQ

Is Merck & Co., Inc. tap water safe to drink?

When was Merck & Co., Inc. last tested for water contamination?

The latest water samples were taken on December 16th, 2024.