Public water system record
Hanover Muni Water Works
Serves an area of York County and Adams County, PA that includes Hanover, Parkville, Pennville and 2 more places · 40,900 people served
Federal records show 2 health-based violations and 15 monitoring/reporting issues for Hanover Muni Water Works in the last ten years. The most serious issue in this window was a resolved CARBON, TOTAL violation.
System profile
- Health-based violations, last 10 years
- 2
- Resolved
- 2
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 15
Key facts
- Hanover Muni Water Works draws water from 5 surface water intakes.
- Most recent formal enforcement: consent decree or court judgment by Pennsylvania, November 2005.
- Record on file since 1990, with 4 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 13,124 unknown out of 18,534 service lines.
Check whether Hanover Muni 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 |
|---|---|---|---|---|
|
CARBON, TOTAL
Treatment technique failure
|
210 | Oct 1, 2018 | Resolved | No |
|
Surface Water Treatment Rule
Treatment technique failure
|
120 | Jun 1, 2018 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Oct 1, 2024 | Resolved |
|
Public Notice
OTHER
|
Jul 11, 2024 | Resolved |
|
Public Notice
OTHER
|
Jul 11, 2024 | Resolved |
|
CARBON, TOTAL
Monitoring and reporting
|
Oct 1, 2023 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2023 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Apr 1, 2023 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Apr 1, 2023 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Apr 1, 2023 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Dec 1, 2021 | Resolved |
|
CARBON, TOTAL
Monitoring and reporting
|
May 1, 2020 | Resolved |
|
CARBON, TOTAL
Monitoring and reporting
|
Oct 1, 2019 | Resolved |
|
CARBON, TOTAL
Monitoring and reporting
|
Oct 1, 2018 | Resolved |
|
Public Notice
OTHER
|
Aug 10, 2018 | Resolved |
Full record since 1990
EPA's records for Hanover Muni Water Works go back to 1990. Before October 19, 2016 they list 4 health-based violations (4 resolved) and 96 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 0 | 60 |
| 2000s | 3 | 21 |
| 2010 to October 18, 2016 | 1 | 15 |
| October 19, 2016 to 2019 | 2 | 3 |
| 2020s | 0 | 12 |
Most recent health-based violation before October 19, 2016: Total Trihalomethanes (TTHMs), began October 2014, Resolved.
Show all 4 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
|
Oct 1, 2014 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jun 1, 2004 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 2001 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 2000 | Resolved |
Enforcement actions
Pennsylvania regulators took 2 formal enforcement actions against Hanover Muni Water Works in 2005. The most recent was a consent decree or court judgment in November 2005.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Nov 15, 2005 | Pennsylvania | Consent decree or court judgment | 2 violations: Total Coliform, Surface Water Treatment Rule |
| Aug 23, 2005 | Pennsylvania | Consent decree or court judgment | 3 violations: Chlorine, Interim Enhanced Surface Water Treatment Rule, Surface Water Treatment Rule |
What the violations mean
CARBON, TOTAL
1 incidentThe system did not complete a treatment step or action that federal rules require for CARBON, TOTAL (a treatment technique violation).
The utility had to notify customers about this violation.
Surface Water Treatment Rule
1 incidentThe system did not complete a treatment step or action that the Surface Water Treatment Rule requires (a treatment technique violation).
The utility had to notify customers about this violation.
Where the water comes from
Hanover Muni Water Works draws water from 5 surface water intakes. 3 smaller public systems such as schools, businesses or campgrounds buy water from Hanover Muni Water Works. 1 other public water system has an emergency connection to Hanover Muni Water Works.
Annual water quality report
Hanover Muni 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.
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.
Certified drinking water labs by state EPA guidance for private wells