Public water system record

Kennett Square Mun Water Works

Serves Kennett Square, Chester County, PA · 6,328 people served

Federal records show 2 health-based violations and 141 monitoring/reporting issues for Kennett Square Mun Water Works in the last ten years. The most serious issue in this window was a resolved Groundwater Rule violation.

  • PA1150108
  • KENNETT SQUARE
  • PA
  • 6,328 served

System profile

Source water Purchased surface water
ZIP 19348
EPA system ID PA1150108

Verify this system on EPA ECHO →

Health-based violations, last 10 years
2
Resolved
2
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
141

Key facts

  • Kennett Square Mun Water Works draws water from 2 wells (1 of them for emergency, seasonal or other part-time use).
  • Most recent formal enforcement: consent decree or court judgment by Pennsylvania, February 2006.
  • Record on file since 1979, with 0 health-based violations before October 19, 2016.
  • Lead pipe inventory: 1 lead and 1,622 unknown out of 1,922 service lines.

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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 Aug 1, 2020 Resolved No
Groundwater Rule
Treatment technique failure
140 Jun 1, 2020 Resolved No

Monitoring and reporting issues

Since October 2016

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

Issue Start date Status
Groundwater Rule
Monitoring and reporting
Jan 1, 2026 Resolved
Groundwater Rule
Monitoring and reporting
Dec 1, 2025 Resolved
Groundwater Rule
Monitoring and reporting
Oct 1, 2025 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Jul 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Haloacetic Acids (HAA5)
Monitoring and reporting
Jul 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Groundwater Rule
Monitoring and reporting
May 1, 2025 Resolved
Groundwater Rule
Monitoring and reporting
Apr 1, 2025 Resolved
Groundwater Rule
Monitoring and reporting
Mar 1, 2025 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Jan 1, 2025 Resolved
Chlorine
Monitoring and reporting
Jan 1, 2025 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2024 Resolved
Public Notice
OTHER
Jan 11, 2024 Resolved
Public Notice
OTHER
Jan 11, 2024 Resolved
Public Notice
OTHER
Jan 11, 2024 Resolved
Public Notice
OTHER
Jan 11, 2024 Resolved
Public Notice
OTHER
Jan 11, 2024 Resolved
Public Notice
OTHER
Jan 11, 2024 Resolved
Public Notice
OTHER
Jan 11, 2024 Resolved
Public Notice
OTHER
Jan 11, 2024 Resolved
Public Notice
OTHER
Jan 11, 2024 Resolved
Public Notice
OTHER
Jan 11, 2024 Resolved
Public Notice
OTHER
Jan 11, 2024 Resolved
Public Notice
OTHER
Jan 11, 2024 Resolved
Public Notice
OTHER
Jan 11, 2024 Resolved
Public Notice
OTHER
Jan 11, 2024 Resolved
Public Notice
OTHER
Jan 11, 2024 Resolved
Public Notice
OTHER
Jan 11, 2024 Resolved
Public Notice
OTHER
Jan 11, 2024 Resolved
Public Notice
OTHER
Jan 11, 2024 Resolved
Public Notice
OTHER
Jan 11, 2024 Resolved
Public Notice
OTHER
Jan 11, 2024 Resolved
Public Notice
OTHER
Jan 11, 2024 Resolved
Public Notice
OTHER
Jan 11, 2024 Resolved
Public Notice
OTHER
Jan 11, 2024 Resolved
Public Notice
OTHER
Jan 11, 2024 Resolved
Public Notice
OTHER
Jan 11, 2024 Resolved
Public Notice
OTHER
Jan 11, 2024 Resolved
Public Notice
OTHER
Jan 11, 2024 Resolved
Public Notice
OTHER
Jan 11, 2024 Resolved
Public Notice
OTHER
Jan 11, 2024 Resolved
Public Notice
OTHER
Jan 11, 2024 Resolved
Public Notice
OTHER
Jan 11, 2024 Resolved
Public Notice
OTHER
Jan 11, 2024 Resolved
Public Notice
OTHER
Jan 11, 2024 Resolved
Public Notice
OTHER
Jan 11, 2024 Resolved
Public Notice
OTHER
Jan 11, 2024 Resolved
Public Notice
OTHER
Jan 11, 2024 Resolved
Public Notice
OTHER
Jan 11, 2024 Resolved
Public Notice
OTHER
Jan 11, 2024 Resolved
Public Notice
OTHER
Jan 11, 2024 Resolved
Public Notice
OTHER
Jan 11, 2024 Resolved
Public Notice
OTHER
Jan 11, 2024 Resolved
Nitrite
Monitoring and reporting
Oct 1, 2023 Resolved
Nitrate
Monitoring and reporting
Oct 1, 2023 Resolved
Combined Uranium
Monitoring and reporting
Oct 1, 2023 Resolved
Gross Alpha, Excl. Radon and U
Monitoring and reporting
Oct 1, 2023 Resolved
Nitrite
Monitoring and reporting
Oct 1, 2023 Resolved
Nitrate
Monitoring and reporting
Oct 1, 2023 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Oct 1, 2023 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Oct 1, 2023 Resolved
Public Notice
OTHER
Jul 11, 2023 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Apr 1, 2023 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Apr 1, 2023 Resolved
Nitrite
Monitoring and reporting
Jan 1, 2023 Resolved
Nitrate
Monitoring and reporting
Jan 1, 2023 Resolved
Nitrite
Monitoring and reporting
Jan 1, 2023 Resolved
Nitrate
Monitoring and reporting
Jan 1, 2023 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Jan 1, 2023 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Jan 1, 2023 Resolved
Lead and Copper Rule
Monitoring and reporting
Jan 1, 2023 Active
Groundwater Rule
Monitoring and reporting
Dec 1, 2022 Resolved
Nitrite
Monitoring and reporting
Oct 1, 2022 Resolved
Nitrate
Monitoring and reporting
Oct 1, 2022 Resolved
Nitrite
Monitoring and reporting
Oct 1, 2022 Resolved
Nitrate
Monitoring and reporting
Oct 1, 2022 Resolved
Consumer Confidence Rule
OTHER
Oct 1, 2022 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2022 Resolved
Public Notice
OTHER
Jun 11, 2022 Resolved
Public Notice
OTHER
May 11, 2022 Resolved
Public Notice
OTHER
Apr 11, 2022 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Apr 1, 2022 Resolved
Public Notice
OTHER
Jan 11, 2022 Resolved
Public Notice
OTHER
Jan 11, 2022 Resolved
Public Notice
OTHER
Jan 11, 2022 Resolved
Public Notice
OTHER
Jan 11, 2022 Resolved
Styrene
Monitoring and reporting
Jan 1, 2022 Resolved
Ethylbenzene
Monitoring and reporting
Jan 1, 2022 Resolved
Toluene
Monitoring and reporting
Jan 1, 2022 Resolved
Benzene
Monitoring and reporting
Jan 1, 2022 Resolved
CHLOROBENZENE
Monitoring and reporting
Jan 1, 2022 Resolved
Tetrachloroethylene
Monitoring and reporting
Jan 1, 2022 Resolved
1,1,2-Trichloroethane
Monitoring and reporting
Jan 1, 2022 Resolved
Trichloroethylene
Monitoring and reporting
Jan 1, 2022 Resolved
1,2-Dichloropropane
Monitoring and reporting
Jan 1, 2022 Resolved
Carbon tetrachloride
Monitoring and reporting
Jan 1, 2022 Resolved
1,1,1-Trichloroethane
Monitoring and reporting
Jan 1, 2022 Resolved
1,2-Dichloroethane
Monitoring and reporting
Jan 1, 2022 Resolved
trans-1,2-Dichloroethylene
Monitoring and reporting
Jan 1, 2022 Resolved
1,1-Dichloroethylene
Monitoring and reporting
Jan 1, 2022 Resolved
p-Dichlorobenzene
Monitoring and reporting
Jan 1, 2022 Resolved
o-Dichlorobenzene
Monitoring and reporting
Jan 1, 2022 Resolved
DICHLOROMETHANE
Monitoring and reporting
Jan 1, 2022 Resolved
Xylenes, Total
Monitoring and reporting
Jan 1, 2022 Resolved
cis-1,2-Dichloroethylene
Monitoring and reporting
Jan 1, 2022 Resolved
1,2,4-Trichlorobenzene
Monitoring and reporting
Jan 1, 2022 Resolved
Styrene
Monitoring and reporting
Jan 1, 2022 Resolved
Ethylbenzene
Monitoring and reporting
Jan 1, 2022 Resolved
Toluene
Monitoring and reporting
Jan 1, 2022 Resolved
Benzene
Monitoring and reporting
Jan 1, 2022 Resolved
CHLOROBENZENE
Monitoring and reporting
Jan 1, 2022 Resolved
Tetrachloroethylene
Monitoring and reporting
Jan 1, 2022 Resolved
1,1,2-Trichloroethane
Monitoring and reporting
Jan 1, 2022 Resolved
Trichloroethylene
Monitoring and reporting
Jan 1, 2022 Resolved
1,2-Dichloropropane
Monitoring and reporting
Jan 1, 2022 Resolved
Carbon tetrachloride
Monitoring and reporting
Jan 1, 2022 Resolved
1,1,1-Trichloroethane
Monitoring and reporting
Jan 1, 2022 Resolved
1,2-Dichloroethane
Monitoring and reporting
Jan 1, 2022 Resolved
trans-1,2-Dichloroethylene
Monitoring and reporting
Jan 1, 2022 Resolved
1,1-Dichloroethylene
Monitoring and reporting
Jan 1, 2022 Resolved
p-Dichlorobenzene
Monitoring and reporting
Jan 1, 2022 Resolved
o-Dichlorobenzene
Monitoring and reporting
Jan 1, 2022 Resolved
DICHLOROMETHANE
Monitoring and reporting
Jan 1, 2022 Resolved
Xylenes, Total
Monitoring and reporting
Jan 1, 2022 Resolved
cis-1,2-Dichloroethylene
Monitoring and reporting
Jan 1, 2022 Resolved
1,2,4-Trichlorobenzene
Monitoring and reporting
Jan 1, 2022 Resolved
Combined Uranium
Monitoring and reporting
Oct 1, 2021 Resolved
Consumer Confidence Rule
OTHER
Oct 1, 2021 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2021 Resolved
Groundwater Rule
Monitoring and reporting
May 1, 2021 Resolved
Groundwater Rule
Monitoring and reporting
Apr 1, 2021 Resolved
Groundwater Rule
Monitoring and reporting
Mar 1, 2021 Resolved
Groundwater Rule
Monitoring and reporting
Feb 1, 2021 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Dec 1, 2020 Resolved
Chlorine
Monitoring and reporting
Dec 1, 2020 Resolved
Radium-228
Monitoring and reporting
Oct 1, 2020 Resolved
Radium-226
Monitoring and reporting
Oct 1, 2020 Resolved
Public Notice
OTHER
Aug 13, 2020 Resolved
Public Notice
OTHER
Jun 13, 2020 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2018 Resolved
Public Notice
OTHER
Jun 11, 2017 Resolved
Groundwater Rule
Monitoring and reporting
May 1, 2017 Resolved

Full record since 1979

EPA's records for Kennett Square Mun Water Works go back to 1979. Before October 19, 2016 they list no health-based violations and 122 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1970s 0 14
1980s 0 8
1990s 0 6
2000s 0 62
2010 to October 18, 2016 0 32
October 19, 2016 to 2019 0 3
2020s 2 138

Enforcement actions

Pennsylvania regulators took 3 formal enforcement actions against Kennett Square Mun Water Works between 2004 and 2006. The most recent was a consent decree or court judgment in February 2006.

Date By Action Violations covered
Feb 9, 2006 Pennsylvania Consent decree or court judgment 1 violation: Consumer Confidence Rule
Mar 4, 2005 Pennsylvania Consent decree or court judgment 1 violation: Consumer Confidence Rule
Dec 15, 2004 Pennsylvania Consent decree or court judgment 1 violation: Consumer Confidence Rule

What the violations mean

Groundwater Rule

2 incidents

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 each of these violations.

Where the water comes from

Kennett Square Mun Water Works draws water from 2 wells (1 of them for emergency, seasonal or other part-time use). It also buys water from Chester Water Authority.

Buys water from

Annual water quality report

Kennett Square Mun Water Works 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.

Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.

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.