Public water system · PA6430052

Active

Sandy Lake Boro

At a glance

Sandy Lake Boro (PWSID PA6430052) is an active community water system in Mercer County, Pennsylvania. It reports serving 1,100 people through 357 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, none is health-based, and the most recent began in January 2026.

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

Population served

1,100

Service connections

357

Primary source

Groundwater

System type

CWS

Community water system

System record

PWSIDPA6430052

System typeCommunity water system

Activity statusActive

Population served1,100

Service connections357

Primary water sourceGroundwater

Owner typeLocal government

Primacy agencyPA state drinking water program

City served—

StatePennsylvania

ZIP—

CountyMercer County

How does Sandy Lake Boro compare with other water systems in Mercer County?

By EPA's size categories, Sandy Lake Boro is a small system (501 to 3,300 people). Mercer County has 124 active public water systems. Its population served is about 43% above the county average of 769 people per system, and accounts for 1.2% of the 95,322 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 Sandy Lake Boro is well below 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 Sandy Lake Boro?

EPA lists Sandy Lake Boro 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. 14 of the 124 active systems in Mercer County (11%) are also owned by a local government.

Does Sandy Lake Boro have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2026. The violations listed here began between January 2026 and January 2026. By type: 12 public notice, recordkeeping or other. The contaminant or rule involved most often is Public Notice (12 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
2026-01-11	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Resolved
2026-01-11	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Resolved
2026-01-11	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Resolved
2026-01-11	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Resolved
2026-01-11	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Resolved
2026-01-11	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Resolved
2026-01-11	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Resolved
2026-01-11	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Resolved
2026-01-11	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Resolved
2026-01-11	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Resolved
2026-01-11	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Resolved
2026-01-11	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	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.

Sandy Lake Boro: frequently asked questions

Who runs Sandy Lake Boro?

Sandy Lake Boro (PWSID PA6430052) is a community water system owned by a local government. It is regulated by the PA state drinking water program.

How many people does Sandy Lake Boro serve?

Sandy Lake Boro reports serving 1,100 people through 357 service connections in Mercer County, Pennsylvania.

Where does Sandy Lake Boro 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 Sandy Lake Boro 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 January 2026. 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 Sandy Lake Boro'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 January 2026. For current results, consult the system's annual water quality report, EPA ECHO, or the PA state drinking water program.

Where can I find Sandy Lake Boro's water quality report?

As a community water system, Sandy Lake Boro 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 Mercer County

Water system	County	Population served	Type	Source
Aqua Pa Shenango Valley WTP	Mercer	48,000	Community	Surface water
Aqua Pa Greenville	Mercer	8,600	Community	Surface water
Grove City Boro Water Dept	Mercer	7,871	Community	Groundwater
Sharpsville Boro Water Co	Mercer	5,029	Community	Purchased surface water
Pine Twp Water Distr System	Mercer	3,082	Community	Purchased groundwater
Reynolds Water Company	Mercer	2,370	Community	Surface water

Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.

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, “Sandy Lake Boro, PWSID PA6430052, Pennsylvania”, https://aquacensus.com/water-systems/pennsylvania/sandy-lake-boro-pa6430052 (data as of October 1, 2026).