Public water system record

Horsham Water&Sewer Authority

Serves an area of Montgomery County, PA that includes Horsham and Maple Glen · 26,000 people served

Federal records show 1 health-based violation and 174 monitoring/reporting issues for Horsham Water&Sewer Authority in the last ten years. The most serious issue in this window was a resolved Groundwater Rule violation.

  • PA1460033
  • HORSHAM
  • PA
  • 26,000 served

System profile

Source water Purchased surface water
ZIP 19044
EPA system ID PA1460033

Verify this system on EPA ECHO →

Health-based violations, last 10 years
1
Resolved
1
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
174

Key facts

  • Horsham Water&Sewer Authority draws water from 15 wells (7 of them for emergency, seasonal or other part-time use).
  • Record on file since 1991, with 0 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 6,567 unknown out of 8,999 service lines.

Check whether Horsham Water&Sewer Authority serves your address

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Health-based violations

Since October 2016

Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.

Contaminant Rule family Start date Status Acute
Groundwater Rule
Treatment technique failure
140 May 1, 2018 Resolved No

Monitoring and reporting issues

Since October 2016

Missed tests or reports, not contaminants found above a limit.

Issue Start date Status
Radium-228
Monitoring and reporting
Jul 1, 2024 Resolved
Styrene
Monitoring and reporting
Jan 1, 2024 Resolved
Ethylbenzene
Monitoring and reporting
Jan 1, 2024 Resolved
Toluene
Monitoring and reporting
Jan 1, 2024 Resolved
Benzene
Monitoring and reporting
Jan 1, 2024 Resolved
CHLOROBENZENE
Monitoring and reporting
Jan 1, 2024 Resolved
Tetrachloroethylene
Monitoring and reporting
Jan 1, 2024 Resolved
1,1,2-Trichloroethane
Monitoring and reporting
Jan 1, 2024 Resolved
Trichloroethylene
Monitoring and reporting
Jan 1, 2024 Resolved
1,2-Dichloropropane
Monitoring and reporting
Jan 1, 2024 Resolved
Carbon tetrachloride
Monitoring and reporting
Jan 1, 2024 Resolved
1,1,1-Trichloroethane
Monitoring and reporting
Jan 1, 2024 Resolved
1,2-Dichloroethane
Monitoring and reporting
Jan 1, 2024 Resolved
trans-1,2-Dichloroethylene
Monitoring and reporting
Jan 1, 2024 Resolved
1,1-Dichloroethylene
Monitoring and reporting
Jan 1, 2024 Resolved
p-Dichlorobenzene
Monitoring and reporting
Jan 1, 2024 Resolved
o-Dichlorobenzene
Monitoring and reporting
Jan 1, 2024 Resolved
DICHLOROMETHANE
Monitoring and reporting
Jan 1, 2024 Resolved
Xylenes, Total
Monitoring and reporting
Jan 1, 2024 Resolved
cis-1,2-Dichloroethylene
Monitoring and reporting
Jan 1, 2024 Resolved
1,2,4-Trichlorobenzene
Monitoring and reporting
Jan 1, 2024 Resolved
Chlordane
Monitoring and reporting
Jan 1, 2024 Resolved
ETHYLENE DIBROMIDE
Monitoring and reporting
Jan 1, 2024 Resolved
1,2-DIBROMO-3-CHLOROPROPANE
Monitoring and reporting
Jan 1, 2024 Resolved
Total Polychlorinated Biphenyls (PCB)
Monitoring and reporting
Jan 1, 2024 Resolved
Pentachlorophenol
Monitoring and reporting
Jan 1, 2024 Resolved
Benzo(a)pyrene
Monitoring and reporting
Jan 1, 2024 Resolved
HEXACHLOROBENZENE
Monitoring and reporting
Jan 1, 2024 Resolved
2,4,5-TP
Monitoring and reporting
Jan 1, 2024 Resolved
2,4-D
Monitoring and reporting
Jan 1, 2024 Resolved
Heptachlor epoxide
Monitoring and reporting
Jan 1, 2024 Resolved
Heptachlor
Monitoring and reporting
Jan 1, 2024 Resolved
LASSO
Monitoring and reporting
Jan 1, 2024 Resolved
Atrazine
Monitoring and reporting
Jan 1, 2024 Resolved
Carbofuran
Monitoring and reporting
Jan 1, 2024 Resolved
Hexachlorocyclopentadiene
Monitoring and reporting
Jan 1, 2024 Resolved
Dinoseb
Monitoring and reporting
Jan 1, 2024 Resolved
Picloram
Monitoring and reporting
Jan 1, 2024 Resolved
Di(2-ethylhexyl) phthalate
Monitoring and reporting
Jan 1, 2024 Resolved
Simazine
Monitoring and reporting
Jan 1, 2024 Resolved
OXAMYL
Monitoring and reporting
Jan 1, 2024 Resolved
Di(2-ethylhexyl) adipate
Monitoring and reporting
Jan 1, 2024 Resolved
Glyphosate
Monitoring and reporting
Jan 1, 2024 Resolved
Diquat
Monitoring and reporting
Jan 1, 2024 Resolved
Dalapon
Monitoring and reporting
Jan 1, 2024 Resolved
Toxaphene
Monitoring and reporting
Jan 1, 2024 Resolved
Methoxychlor
Monitoring and reporting
Jan 1, 2024 Resolved
BHC-GAMMA
Monitoring and reporting
Jan 1, 2024 Resolved
Endrin
Monitoring and reporting
Jan 1, 2024 Resolved
Styrene
Monitoring and reporting
Jan 1, 2024 Resolved
Ethylbenzene
Monitoring and reporting
Jan 1, 2024 Resolved
Toluene
Monitoring and reporting
Jan 1, 2024 Resolved
Benzene
Monitoring and reporting
Jan 1, 2024 Resolved
CHLOROBENZENE
Monitoring and reporting
Jan 1, 2024 Resolved
Tetrachloroethylene
Monitoring and reporting
Jan 1, 2024 Resolved
1,1,2-Trichloroethane
Monitoring and reporting
Jan 1, 2024 Resolved
Trichloroethylene
Monitoring and reporting
Jan 1, 2024 Resolved
1,2-Dichloropropane
Monitoring and reporting
Jan 1, 2024 Resolved
Carbon tetrachloride
Monitoring and reporting
Jan 1, 2024 Resolved
1,1,1-Trichloroethane
Monitoring and reporting
Jan 1, 2024 Resolved
1,2-Dichloroethane
Monitoring and reporting
Jan 1, 2024 Resolved
trans-1,2-Dichloroethylene
Monitoring and reporting
Jan 1, 2024 Resolved
1,1-Dichloroethylene
Monitoring and reporting
Jan 1, 2024 Resolved
p-Dichlorobenzene
Monitoring and reporting
Jan 1, 2024 Resolved
o-Dichlorobenzene
Monitoring and reporting
Jan 1, 2024 Resolved
DICHLOROMETHANE
Monitoring and reporting
Jan 1, 2024 Resolved
Xylenes, Total
Monitoring and reporting
Jan 1, 2024 Resolved
cis-1,2-Dichloroethylene
Monitoring and reporting
Jan 1, 2024 Resolved
1,2,4-Trichlorobenzene
Monitoring and reporting
Jan 1, 2024 Resolved
Chlordane
Monitoring and reporting
Jan 1, 2024 Resolved
ETHYLENE DIBROMIDE
Monitoring and reporting
Jan 1, 2024 Resolved
1,2-DIBROMO-3-CHLOROPROPANE
Monitoring and reporting
Jan 1, 2024 Resolved
Total Polychlorinated Biphenyls (PCB)
Monitoring and reporting
Jan 1, 2024 Resolved
Pentachlorophenol
Monitoring and reporting
Jan 1, 2024 Resolved
Benzo(a)pyrene
Monitoring and reporting
Jan 1, 2024 Resolved
HEXACHLOROBENZENE
Monitoring and reporting
Jan 1, 2024 Resolved
2,4,5-TP
Monitoring and reporting
Jan 1, 2024 Resolved
2,4-D
Monitoring and reporting
Jan 1, 2024 Resolved
Heptachlor epoxide
Monitoring and reporting
Jan 1, 2024 Resolved
Heptachlor
Monitoring and reporting
Jan 1, 2024 Resolved
LASSO
Monitoring and reporting
Jan 1, 2024 Resolved
Atrazine
Monitoring and reporting
Jan 1, 2024 Resolved
Carbofuran
Monitoring and reporting
Jan 1, 2024 Resolved
Hexachlorocyclopentadiene
Monitoring and reporting
Jan 1, 2024 Resolved
Dinoseb
Monitoring and reporting
Jan 1, 2024 Resolved
Picloram
Monitoring and reporting
Jan 1, 2024 Resolved
Di(2-ethylhexyl) phthalate
Monitoring and reporting
Jan 1, 2024 Resolved
Simazine
Monitoring and reporting
Jan 1, 2024 Resolved
OXAMYL
Monitoring and reporting
Jan 1, 2024 Resolved
Di(2-ethylhexyl) adipate
Monitoring and reporting
Jan 1, 2024 Resolved
Glyphosate
Monitoring and reporting
Jan 1, 2024 Resolved
Diquat
Monitoring and reporting
Jan 1, 2024 Resolved
Dalapon
Monitoring and reporting
Jan 1, 2024 Resolved
Toxaphene
Monitoring and reporting
Jan 1, 2024 Resolved
Methoxychlor
Monitoring and reporting
Jan 1, 2024 Resolved
BHC-GAMMA
Monitoring and reporting
Jan 1, 2024 Resolved
Endrin
Monitoring and reporting
Jan 1, 2024 Resolved
Groundwater Rule
Monitoring and reporting
Aug 1, 2023 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2023 Resolved
Groundwater Rule
Monitoring and reporting
Apr 1, 2021 Resolved
Groundwater Rule
Monitoring and reporting
Nov 1, 2020 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2019 Resolved
Groundwater Rule
Monitoring and reporting
Apr 1, 2019 Resolved
Groundwater Rule
Monitoring and reporting
Jan 1, 2019 Resolved
Public Notice
OTHER
May 13, 2018 Resolved
Radium-228
Monitoring and reporting
Oct 1, 2017 Resolved
Radium-226
Monitoring and reporting
Oct 1, 2017 Resolved
Gross Alpha, Excl. Radon and U
Monitoring and reporting
Oct 1, 2017 Resolved
Styrene
Monitoring and reporting
Jan 1, 2017 Resolved
Ethylbenzene
Monitoring and reporting
Jan 1, 2017 Resolved
Toluene
Monitoring and reporting
Jan 1, 2017 Resolved
Benzene
Monitoring and reporting
Jan 1, 2017 Resolved
CHLOROBENZENE
Monitoring and reporting
Jan 1, 2017 Resolved
Tetrachloroethylene
Monitoring and reporting
Jan 1, 2017 Resolved
1,1,2-Trichloroethane
Monitoring and reporting
Jan 1, 2017 Resolved
Trichloroethylene
Monitoring and reporting
Jan 1, 2017 Resolved
1,2-Dichloropropane
Monitoring and reporting
Jan 1, 2017 Resolved
Carbon tetrachloride
Monitoring and reporting
Jan 1, 2017 Resolved
1,1,1-Trichloroethane
Monitoring and reporting
Jan 1, 2017 Resolved
1,2-Dichloroethane
Monitoring and reporting
Jan 1, 2017 Resolved
trans-1,2-Dichloroethylene
Monitoring and reporting
Jan 1, 2017 Resolved
1,1-Dichloroethylene
Monitoring and reporting
Jan 1, 2017 Resolved
p-Dichlorobenzene
Monitoring and reporting
Jan 1, 2017 Resolved
o-Dichlorobenzene
Monitoring and reporting
Jan 1, 2017 Resolved
DICHLOROMETHANE
Monitoring and reporting
Jan 1, 2017 Resolved
Xylenes, Total
Monitoring and reporting
Jan 1, 2017 Resolved
cis-1,2-Dichloroethylene
Monitoring and reporting
Jan 1, 2017 Resolved
1,2,4-Trichlorobenzene
Monitoring and reporting
Jan 1, 2017 Resolved
Nitrite
Monitoring and reporting
Jan 1, 2017 Resolved
Nitrate
Monitoring and reporting
Jan 1, 2017 Resolved
Styrene
Monitoring and reporting
Jan 1, 2017 Resolved
Ethylbenzene
Monitoring and reporting
Jan 1, 2017 Resolved
Toluene
Monitoring and reporting
Jan 1, 2017 Resolved
Benzene
Monitoring and reporting
Jan 1, 2017 Resolved
CHLOROBENZENE
Monitoring and reporting
Jan 1, 2017 Resolved
Tetrachloroethylene
Monitoring and reporting
Jan 1, 2017 Resolved
1,1,2-Trichloroethane
Monitoring and reporting
Jan 1, 2017 Resolved
Trichloroethylene
Monitoring and reporting
Jan 1, 2017 Resolved
1,2-Dichloropropane
Monitoring and reporting
Jan 1, 2017 Resolved
Carbon tetrachloride
Monitoring and reporting
Jan 1, 2017 Resolved
1,1,1-Trichloroethane
Monitoring and reporting
Jan 1, 2017 Resolved
1,2-Dichloroethane
Monitoring and reporting
Jan 1, 2017 Resolved
trans-1,2-Dichloroethylene
Monitoring and reporting
Jan 1, 2017 Resolved
1,1-Dichloroethylene
Monitoring and reporting
Jan 1, 2017 Resolved
p-Dichlorobenzene
Monitoring and reporting
Jan 1, 2017 Resolved
o-Dichlorobenzene
Monitoring and reporting
Jan 1, 2017 Resolved
DICHLOROMETHANE
Monitoring and reporting
Jan 1, 2017 Resolved
Xylenes, Total
Monitoring and reporting
Jan 1, 2017 Resolved
cis-1,2-Dichloroethylene
Monitoring and reporting
Jan 1, 2017 Resolved
1,2,4-Trichlorobenzene
Monitoring and reporting
Jan 1, 2017 Resolved
Nitrite
Monitoring and reporting
Jan 1, 2017 Resolved
Nitrate
Monitoring and reporting
Jan 1, 2017 Resolved
Styrene
Monitoring and reporting
Jan 1, 2017 Resolved
Ethylbenzene
Monitoring and reporting
Jan 1, 2017 Resolved
Toluene
Monitoring and reporting
Jan 1, 2017 Resolved
Benzene
Monitoring and reporting
Jan 1, 2017 Resolved
CHLOROBENZENE
Monitoring and reporting
Jan 1, 2017 Resolved
Tetrachloroethylene
Monitoring and reporting
Jan 1, 2017 Resolved
1,1,2-Trichloroethane
Monitoring and reporting
Jan 1, 2017 Resolved
Trichloroethylene
Monitoring and reporting
Jan 1, 2017 Resolved
1,2-Dichloropropane
Monitoring and reporting
Jan 1, 2017 Resolved
Carbon tetrachloride
Monitoring and reporting
Jan 1, 2017 Resolved
1,1,1-Trichloroethane
Monitoring and reporting
Jan 1, 2017 Resolved
1,2-Dichloroethane
Monitoring and reporting
Jan 1, 2017 Resolved
trans-1,2-Dichloroethylene
Monitoring and reporting
Jan 1, 2017 Resolved
1,1-Dichloroethylene
Monitoring and reporting
Jan 1, 2017 Resolved
p-Dichlorobenzene
Monitoring and reporting
Jan 1, 2017 Resolved
o-Dichlorobenzene
Monitoring and reporting
Jan 1, 2017 Resolved
DICHLOROMETHANE
Monitoring and reporting
Jan 1, 2017 Resolved
Xylenes, Total
Monitoring and reporting
Jan 1, 2017 Resolved
cis-1,2-Dichloroethylene
Monitoring and reporting
Jan 1, 2017 Resolved
1,2,4-Trichlorobenzene
Monitoring and reporting
Jan 1, 2017 Resolved
Nitrite
Monitoring and reporting
Jan 1, 2017 Resolved
Nitrate
Monitoring and reporting
Jan 1, 2017 Resolved

Full record since 1991

EPA's records for Horsham Water&Sewer Authority go back to 1991. Before October 19, 2016 they list no health-based violations and 40 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 0 16
2000s 0 24
October 19, 2016 to 2019 1 73
2020s 0 101

What the violations mean

Groundwater Rule

1 incident

The system did not complete a treatment step or action that the Groundwater Rule requires (a treatment technique violation).

The utility had to notify customers about this violation.

Where the water comes from

Horsham Water&Sewer Authority draws water from 15 wells (7 of them for emergency, seasonal or other part-time use). It also buys water from Aqua PA Main System and North Wales Water Authority. 2 other public water systems have emergency connections to Horsham Water&Sewer Authority.

Buys water from

Annual water quality report

Horsham Water&Sewer Authority must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.

Systems serving 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.

Find a posted report with EPA's Consumer Confidence Report search

Testing your own water

To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by Pennsylvania.