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.
System profile
- 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.
Check whether Kennett Square Mun Water Works serves your address
Health-based violations
Since October 2016Violation 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 2016Missed 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 incidentsThe 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
- Chester Water Authority Chester, PA
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.
Certified drinking water labs by state EPA guidance for private wells