Horsham Water & Sewer Authority (PA) Water Quality

Horsham Water & Sewer Authority is a large public water system in EPA region 3 that provides tap water for the 18914, 19040, 19454 zip codes. It has 21 facilities where the water supply was tested for 78 chemical contaminants that impact tap water quality and human health.

The maximum reported level of HAA5 (five regulated haloacetic acids) was 32.349 µg/L. The maximum reported level of Manganese was 255 µg/L. There were 2 contamintants found in the Horsham Water & Sewer Authority water supply at levels that were above the minimum reporting level.

Contaminants

1,1-dichloroethane (34)

1,2,3-trichloropropane (34)

1,3-butadiene (34)

1,4-dioxane (34)

1-butanol (17)

11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (25)

1H,1H,2H,2H-perfluorodecane sulfonic acid (25)

1H,1H,2H,2H-perfluorohexane sulfonic acid (25)

1H,1H,2H,2H-perfluorooctane sulfonic acid (25)

2,4-dinitrotoluene (21)

2,6-dinitrotoluene (21)

2-methoxyethanol (17)

2-propen-1-ol (Allyl Alcohol) (17)

4,4'-dichloro dichlorophenyl ethylene (DDE) (21)

4,8-dioxa-3H-perfluorononanoic acid (25)

9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (25)

alpha-hexachlorocyclohexane (15)

anatoxin-a (11)

bromochloromethane (Halon 1011) (34)

bromomethane (34)

Butylated Hydroxyanisole (16)

chlorate (38)

chlorodifluoromethane (HCFC-22) (34)

chloromethane (34)

chlorpyrifos (15)

chromium (38)

chromium-6 (38)

cobalt (38)

cylindrospermopsin (11)

dimethipin (15)

dimethyl tetrachloroterephthalate (DCPA) mono/di-acid degradate (21)

ethoprop (15)

Germanium (22)

HAA5 (five regulated haloacetic acids) (12)

HAA6Br (six brominated haloacetic acids) (12)

HAA9 (nine haloacetic acids) (12)

hexafluoropropylene oxide dimer acid (GenX) (25)

lithium (25)

Manganese (22)

methyl-tertiary-butyl-ether (MTBE) (21)

molinate (21)

molybdenum (38)

N-ethyl perfluorooctanesulfonamidoacetic acid (25)

N-methyl perfluorooctanesulfonamidoacetic acid (25)

nitrobenzene (21)

nonafluoro-3,6-dioxaheptanoic acid (25)

o-toluidine (16)

oxyfluorfen (15)

perchlorate (21)

perfluoro(2-ethoxyethane)sulfonic acid (25)

perfluoro-3-methoxypropanoic acid (25)

perfluoro-4-methoxybutanoic acid (25)

perfluorobutanesulfonic acid (59)

perfluorobutanoic acid (25)

perfluorodecanoic acid (25)

perfluorododecanoic acid (25)

perfluoroheptanesulfonic acid (25)

perfluoroheptanoic acid (59)

perfluorohexanesulfonic acid (59)

perfluorohexanoic acid (25)

perfluorononanoic acid (59)

perfluorooctanesulfonic acid (59)

perfluorooctanoic acid (59)

perfluoropentanesulfonic acid (25)

perfluoropentanoic acid (25)

perfluorotetradecanoic acid (25)

perfluorotridecanoic acid (25)

perfluoroundecanoic acid (25)

profenofos (15)

quinoline (16)

s-ethyl-dipropylthiocarbamate (EPTC) (21)

strontium (38)

tebuconazole (15)

terbacil (21)

total microcystins (9)

Total Permethrin (15)

tribufos (15)

vanadium (38)

Sampling Facilities

Well #2 Treatment
Ground Water (GW)

Well #2 Finished WaterEntry Point to the Distribution System (EP)

Well #4 Treatment
Ground Water (GW)

Well #4 Finished WaterEntry Point to the Distribution System (EP)
WELL #4 00104EEntry Point to the Distribution System (EP)

Well #10 Treatment
Ground Water (GW)

Well #10 Finished WaterEntry Point to the Distribution System (EP)
WELL #10 00109EEntry Point to the Distribution System (EP)

Well #17 Treatment
Ground Water (GW)

Well #17 Finished WaterEntry Point to the Distribution System (EP)
WELL #17 00110EEntry Point to the Distribution System (EP)

Well #19 Treatment
Ground Water (GW)

Well #19 Finished WaterEntry Point to the Distribution System (EP)
WELL #19 00111EEntry Point to the Distribution System (EP)

Well #20 Treatment
Ground Water (GW)

Well #20 Finished WaterEntry Point to the Distribution System (EP)
WELL #20 00112EEntry Point to the Distribution System (EP)

Well #26 Treatment
Ground Water (GW)

Well #26 Finished WaterEntry Point to the Distribution System (EP)
WELL #26 00114EEntry Point to the Distribution System (EP)

Well #21 Treatment
Ground Water (GW)

Well #21 Finished WaterEntry Point to the Distribution System (EP)
WELL #21 00115EEntry Point to the Distribution System (EP)

Well #40 Treatment
Ground Water (GW)

Well #40 Finished WaterEntry Point to the Distribution System (EP)

Aqua Main Connection
Surface Water (SW)

EP from AquaEntry Point to the Distribution System (EP)

NWWA Connection
Surface Water (SW)

EP from NWWA ConnectionEntry Point to the Distribution System (EP)

Well #7 Treatment
Ground Water (GW)

Well #7 Finished WaterEntry Point to the Distribution System (EP)
WELL #7 00107EEntry Point to the Distribution System (EP)

Well #22 Treatment
Ground Water (GW)

Well #22 Finished WaterEntry Point to the Distribution System (EP)
WELL #22 00113EEntry Point to the Distribution System (EP)

Distribution System
Multiple Sources (MX)

201 Gibraltar Rd.Distribution System (DS)
518 Lower State Rd.Distribution System (DS)
427 W. County Line Rd.Distribution System (DS)
707 Cedar Hill Rd.Distribution System (DS)

Distribution System
Multiple Sources (MX)

Max. Res. Time in Dist. SystemMaximum Residence Time (MR)

Aqua PA Intertconnect
Surface Water (SW)

EPTDS from Aqua PAEntry Point to the Distribution System (EP)

NWWA Interconnect
Surface Water (SW)

EPTDS from NWWAEntry Point to the Distribution System (EP)

Well #1
Ground Water (GW)

EPTDS from Well #1Entry Point to the Distribution System (EP)
WELL #1 00101EEntry Point to the Distribution System (EP)

Well #3
Ground Water (GW)

EPTDS from Well #3Entry Point to the Distribution System (EP)

Well #9
Ground Water (GW)

EPTDS from Well #9Entry Point to the Distribution System (EP)
WELL #9 00108EEntry Point to the Distribution System (EP)

WELL #6
Ground Water (GW)

WELL #6Entry Point to the Distribution System (EP)
WELL #6 00106EEntry Point to the Distribution System (EP)

FAQ

Is Horsham Water & Sewer Authority tap water safe to drink?

When was Horsham Water & Sewer Authority last tested for water contamination?

The latest water samples were taken on May 28th, 2025.