Public water system · PA7360135
ActiveEast Petersburg Borough
At a glance
East Petersburg Borough (PWSID PA7360135) is an active community water system in Lancaster County, Pennsylvania. It reports serving 6,215 people through 1,742 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in February 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
6,215
Service connections
1,742
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does East Petersburg Borough compare with other water systems in Lancaster County?
By EPA's size categories, East Petersburg Borough is a medium system (3,301 to 10,000 people). Lancaster County has 402 active public water systems. Its population served is about 6.2 times the county average of 1,008 people per system, and accounts for 1.5% of the 405,283 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 East Petersburg Borough is roughly in line with 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. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 244 Pennsylvania systems (3.4%) list purchased surface water as their primary source.
Who owns and regulates East Petersburg Borough?
EPA lists East Petersburg Borough 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. 34 of the 402 active systems in Lancaster County (8.5%) are also owned by a local government.
Does East Petersburg Borough have drinking water violations?
Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in February 2025. The violations listed here began between July 2009 and February 2025. By type: 8 monitoring and reporting, 3 required treatment not met and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Surface Water Treatment Rule (3 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 |
|---|---|---|---|---|
| 2025-02-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Resolved |
| 2021-05-13 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2021-05-01 | Required treatment not metTreatment Technique (SWTR and GWR) · code 41 | Surface Water Treatment Rulecode 0200 | Yes | Resolved |
| 2018-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 2,3,7,8-TCDD (dioxin)code 2063 | No | Resolved |
| 2016-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Hexachlorocyclopentadienecode 2042 | No | Resolved |
| 2016-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Atrazinecode 2050 | No | Resolved |
| 2016-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Atrazinecode 2050 | No | Resolved |
| 2016-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Hexachlorocyclopentadienecode 2042 | No | Resolved |
| 2016-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Di(2-ethylhexyl) phthalatecode 2039 | No | Resolved |
| 2011-01-01 | Required treatment not metTreatment Technique (SWTR and GWR) · code 41 | Surface Water Treatment Rulecode 0200 | Yes | Resolved |
| 2010-11-01 | Required treatment not metTreatment Technique (SWTR and GWR) · code 41 | Groundwater Rulecode 0700 | Yes | Resolved |
| 2009-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | 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.
East Petersburg Borough: frequently asked questions
Who runs East Petersburg Borough?
East Petersburg Borough (PWSID PA7360135) is a community water system owned by a local government. It is regulated by the PA state drinking water program.
How many people does East Petersburg Borough serve?
East Petersburg Borough reports serving 6,215 people through 1,742 service connections in Lancaster County, Pennsylvania.
Where does East Petersburg Borough get its water?
EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.
Does East Petersburg Borough have any drinking water violations?
Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in February 2025. 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 East Petersburg Borough's 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, 3 are health-based, and the most recent began in February 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the PA state drinking water program.
Where can I find East Petersburg Borough's water quality report?
As a community water system, East Petersburg Borough 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 Lancaster County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| City of Lancaster | Lancaster | 120,000 | Community | Surface water |
| Columbia Water Co | Lancaster | 25,200 | Community | Surface water |
| Ephrata Area Joint Authority | Lancaster | 24,500 | Community | Surface water |
| East Hempfield Water Auth | Lancaster | 20,988 | Community | Purchased surface water |
| Elizabethtown Area Water | Lancaster | 19,000 | Community | Surface water |
| Mt Joy Boro Auth | Lancaster | 15,261 | Community | Groundwater under influence of surface water |
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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, “East Petersburg Borough, PWSID PA7360135, Pennsylvania”, https://aquacensus.com/water-systems/pennsylvania/east-petersburg-borough-pa7360135 (data as of October 1, 2026).