Public water system · PA5100135

Active

Seven Fields Boro Water Dept

At a glance

Seven Fields Boro Water Dept (PWSID PA5100135) is an active community water system in Butler County, Pennsylvania. It reports serving 3,100 people through 1,427 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, none is health-based, and the most recent began in November 2017.

Dataset updated October 2026 . Source: EPA SDWIS/ECHO public records.

Population served

3,100

Service connections

1,427

Primary source

SWP

Purchased surface water

System type

CWS

Community water system

System record

PWSIDPA5100135

System typeCommunity water system

Activity statusActive

Population served3,100

Service connections1,427

Primary water sourcePurchased surface water

Owner typeLocal government

Primacy agencyPA state drinking water program

City served—

StatePennsylvania

ZIP—

CountyButler County

How does Seven Fields Boro Water Dept compare with other water systems in Butler County?

By EPA's size categories, Seven Fields Boro Water Dept is a small system (501 to 3,300 people). Butler County has 155 active public water systems. Its population served is about 3.1 times the county average of 1,007 people per system, and accounts for 2% of the 156,059 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 Seven Fields Boro Water Dept is about half of 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 Seven Fields Boro Water Dept?

EPA lists Seven Fields 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. 15 of the 155 active systems in Butler County (9.7%) are also owned by a local government.

Does Seven Fields Boro Water Dept have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in November 2017. The violations listed here began between January 2012 and November 2017. By type: 11 monitoring and reporting and 1 reporting. The contaminant or rule involved most often is Chlorine (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
2017-11-01	Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36	Surface Water Treatment Rulecode 0200	No	Resolved
2017-11-01	ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B	Revised Total Coliform Rulecode 8000	No	Resolved
2017-10-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Chlorinecode 0999	No	Resolved
2015-04-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Total trihalomethanes (TTHM)code 2950	No	Resolved
2015-04-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Haloacetic acids (HAA5)code 2456	No	Resolved
2015-01-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Total trihalomethanes (TTHM)code 2950	No	Resolved
2015-01-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Haloacetic acids (HAA5)code 2456	No	Resolved
2014-06-01	Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24	Total coliform bacteria (TCR)code 3100	No	Resolved
2014-04-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Chlorinecode 0999	No	Resolved
2012-04-01	Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36	Surface Water Treatment Rulecode 0200	No	Resolved
2012-04-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Chlorinecode 0999	No	Resolved
2012-01-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Total trihalomethanes (TTHM)code 2950	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.

Seven Fields Boro Water Dept: frequently asked questions

Who runs Seven Fields Boro Water Dept?

Seven Fields Boro Water Dept (PWSID PA5100135) is a community water system owned by a local government. It is regulated by the PA state drinking water program.

How many people does Seven Fields Boro Water Dept serve?

Seven Fields Boro Water Dept reports serving 3,100 people through 1,427 service connections in Butler County, Pennsylvania.

Where does Seven Fields Boro Water Dept 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 Seven Fields Boro Water Dept 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 November 2017. 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 Seven Fields 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, none is health-based, and the most recent began in November 2017. For current results, consult the system's annual water quality report, EPA ECHO, or the PA state drinking water program.

Where can I find Seven Fields Boro Water Dept's water quality report?

As a community water system, Seven Fields 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 Butler County

Water system	County	Population served	Type	Source
Pa American Water Co Butler	Butler	43,286	Community	Surface water
Cranberry Twp WTP	Butler	42,000	Community	Purchased surface water
Slippery Rock Muni Auth	Butler	15,778	Community	Groundwater
Municipal Water Auth Adams Twp	Butler	8,700	Community	Purchased surface water
Harmony Boro Water Auth	Butler	6,669	Community	Surface water
Zelienople Boro	Butler	4,123	Community	Purchased 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, “Seven Fields Boro Water Dept, PWSID PA5100135, Pennsylvania”, https://aquacensus.com/water-systems/pennsylvania/seven-fields-boro-water-dept-pa5100135 (data as of October 1, 2026).