Public water system · PA5040039
ActiveMonaca Boro Water Dept
At a glance
Monaca Boro Water Dept (PWSID PA5040039) is an active community water system in Beaver County, Pennsylvania. It reports serving 6,500 people through 2,523 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in September 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
6,500
Service connections
2,523
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Monaca Boro Water Dept compare with other water systems in Beaver County?
By EPA's size categories, Monaca Boro Water Dept is a medium system (3,301 to 10,000 people). Beaver County has 83 active public water systems. Its population served is about 3 times the county average of 2,152 people per system, and accounts for 3.6% of the 178,581 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 Monaca Boro Water Dept 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. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 6,632 Pennsylvania systems (92%) list groundwater as their primary source.
Who owns and regulates Monaca Boro Water Dept?
EPA lists Monaca Boro Water Dept 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. 25 of the 83 active systems in Beaver County (30%) are also owned by a local government.
Does Monaca Boro Water Dept have drinking water violations?
Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in September 2025. The violations listed here began between January 2020 and September 2025. By type: 10 monitoring and reporting and 2 required treatment not met. The contaminant or rule involved most often is Groundwater Rule (3 of them). EPA lists 11 as resolved and 1 as unaddressed. 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. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2025-09-01 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Unaddressed |
| 2023-08-07 | Required treatment not metTreatment Technique, Level 1 Assessment (RTCR) · code 2A | Revised Total Coliform Rulecode 8000 | Yes | Resolved |
| 2021-12-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Unfilt/GWR) · code 31 | Groundwater Rulecode 0700 | No | Resolved |
| 2021-10-01 | Required treatment not metTreatment Technique (SWTR and GWR) · code 41 | Groundwater Rulecode 0700 | Yes | Resolved |
| 2020-10-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Unfilt/GWR) · code 31 | Groundwater Rulecode 0700 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Glyphosatecode 2034 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Endothallcode 2033 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Methoxychlorcode 2015 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Toxaphenecode 2020 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Alachlor (Lasso)code 2051 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Diquatcode 2032 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Oxamylcode 2036 | 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.
Monaca Boro Water Dept: frequently asked questions
Who runs Monaca Boro Water Dept?
Monaca Boro Water Dept (PWSID PA5040039) is a community water system owned by a local government. It is regulated by the PA state drinking water program.
How many people does Monaca Boro Water Dept serve?
Monaca Boro Water Dept reports serving 6,500 people through 2,523 service connections in Beaver County, Pennsylvania.
Where does Monaca Boro Water Dept get its water?
EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.
Does Monaca Boro Water Dept have any drinking water violations?
Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in September 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 Monaca Boro Water Dept'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, 2 are health-based, and the most recent began in September 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 Monaca Boro Water Dept's water quality report?
As a community water system, Monaca Boro Water Dept 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 Beaver County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Beaver Falls Muni Auth | Beaver | 49,500 | Community | Surface water |
| Ambridge Water Auth | Beaver | 19,500 | Community | Surface water |
| Center Twp Water Auth | Beaver | 19,000 | Community | Surface water |
| Mun Water Auth of Aliquippa | Beaver | 15,685 | Community | Groundwater |
| Creswell Heights Jt Auth | Beaver | 15,000 | Community | Groundwater |
| Brighton Twp Muni Auth | Beaver | 7,920 | Community | Purchased 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, “Monaca Boro Water Dept, PWSID PA5040039, Pennsylvania”, https://aquacensus.com/water-systems/pennsylvania/monaca-boro-water-dept-pa5040039 (data as of October 1, 2026).