Public water system · PA7670076
ActiveHanover Muni Water Works
At a glance
Hanover Muni Water Works (PWSID PA7670076) is an active community water system in York County, Pennsylvania. It reports serving 40,900 people through 18,027 service connections. Its primary water source is surface water, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in October 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
40,900
Service connections
18,027
Primary source
SW
Surface water
System type
CWS
Community water system
System record
How does Hanover Muni Water Works compare with other water systems in York County?
By EPA's size categories, Hanover Muni Water Works is a large system (10,001 to 100,000 people). York County has 198 active public water systems, and Hanover Muni Water Works is the 2nd-largest of them by population served. Its population served is about 21 times the county average of 1,960 people per system, and accounts for 11% of the 388,008 people reported by systems filed under the county. Across Pennsylvania, the 7,217 active systems average 1,741 people each. Nationally, the average active community water system reports serving 6,703 people, so Hanover Muni Water Works is about 6.1 times that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Pennsylvania has 1,762 active community water systems, 24% of the state's 7,217 active systems. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 246 Pennsylvania systems (3.4%) list surface water as their primary source.
Who owns and regulates Hanover Muni Water Works?
EPA lists Hanover Muni Water Works as owned by a local government. The PA state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 20 of the 198 active systems in York County (10%) are also owned by a local government.
Does Hanover Muni Water Works have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in October 2024. The violations listed here began between May 2020 and October 2024. By type: 9 monitoring and reporting and 3 public notice, recordkeeping or other. The contaminant or rule involved most often is Interim Enhanced Surface Water Treatment Rule (2 of them). EPA lists 12 as resolved. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2024-10-01 | Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38 | Interim Enhanced Surface Water Treatment Rulecode 0300 | No | Resolved |
| 2024-07-11 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2024-07-11 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2023-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Carbon, totalcode 2920 | No | Resolved |
| 2023-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2023-04-01 | Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38 | Interim Enhanced Surface Water Treatment Rulecode 0300 | No | Resolved |
| 2023-04-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2023-04-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2023-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2023-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2021-12-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Resolved |
| 2020-05-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Carbon, totalcode 2920 | No | Resolved |
The 12 most recent violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Hanover Muni Water Works: frequently asked questions
Who runs Hanover Muni Water Works?
Hanover Muni Water Works (PWSID PA7670076) is a community water system owned by a local government. It is regulated by the PA state drinking water program.
How many people does Hanover Muni Water Works serve?
Hanover Muni Water Works reports serving 40,900 people through 18,027 service connections in York County, Pennsylvania.
Where does Hanover Muni Water Works get its water?
EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.
Does Hanover Muni Water Works have any drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in October 2024. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is Hanover Muni Water Works' water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in October 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the PA state drinking water program.
Where can I find Hanover Muni Water Works' water quality report?
As a community water system, Hanover Muni Water Works must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in York County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| York Water Co | York | 206,762 | Community | Surface water |
| Dover Twp Water Sys | York | 21,097 | Community | Purchased surface water |
| Red Lion Municipal Authority | York | 15,882 | Community | Surface water |
| Dallastown Yoe Water Auth | York | 12,300 | Community | Purchased surface water |
| West Manchester Twp Auth | York | 9,960 | Community | Groundwater |
| Dillsburg Area Authority | York | 8,962 | Community | Groundwater |
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About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Hanover Muni Water Works, PWSID PA7670076, Pennsylvania”, https://aquacensus.com/water-systems/pennsylvania/hanover-muni-water-works-pa7670076 (data as of October 1, 2026).