Public water system · PA5650907

Active

Mannitto Gc

At a glance

Mannitto Gc (PWSID PA5650907) is an active transient non-community water system in Westmoreland County, Pennsylvania. It reports serving 200 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in September 2025.

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

Population served

200

Service connections

Primary source

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDPA5650907

System typeTransient non-community water system

Activity statusActive

Population served200

Service connections1

Primary water sourceGroundwater

Owner typePrivate

Primacy agencyPA state drinking water program

City served—

StatePennsylvania

ZIP—

CountyWestmoreland County

How does Mannitto Gc compare with other water systems in Westmoreland County?

By EPA's size categories, Mannitto Gc is a very small system (500 people or fewer). Westmoreland County has 74 active public water systems. Its population served is well below the county average of 3,544 people per system, and accounts for less than 0.1% of the 262,253 people reported by systems filed under the county. Across Pennsylvania, the 7,217 active systems average 1,741 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Mannitto Gc is about 39% above that figure.

What does “transient non-community water system” mean?

A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. Pennsylvania has 4,429 active transient non-community water systems, 61% 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 Mannitto Gc?

EPA lists Mannitto Gc as privately owned. 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. 46 of the 74 active systems in Westmoreland County (62%) are also privately owned.

Does Mannitto Gc have drinking water violations?

Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in September 2025. The violations listed here began between December 2019 and September 2025. By type: 7 monitoring, 3 public notice, recordkeeping or other, 1 reporting and 1 required treatment not met. The contaminant or rule involved most often is Revised Total Coliform Rule (9 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
2025-09-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2025-07-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2025-06-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2025-05-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2025-04-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2024-12-11	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Resolved
2023-11-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2023-07-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2020-05-27	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Resolved
2020-04-16	ReportingNotify Level 1/Level 2 Treatment Technique Violation, Correct Action (RTCR) · code 4F	Revised Total Coliform Rulecode 8000	No	Resolved
2020-04-16	Required treatment not metTreatment Technique, Corrective/Expedited Actions (RTCR) · code 2C	Revised Total Coliform Rulecode 8000	Yes	Resolved
2019-12-01	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.

Mannitto Gc: frequently asked questions

Who runs Mannitto Gc?

Mannitto Gc (PWSID PA5650907) is a transient non-community water system privately owned. It is regulated by the PA state drinking water program.

How many people does Mannitto Gc serve?

Mannitto Gc reports serving 200 people through 1 service connection in Westmoreland County, Pennsylvania.

Where does Mannitto Gc 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 Mannitto Gc have any drinking water violations?

Of the 12 most recent violations in EPA's records, one is 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 Mannitto Gc'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, one is health-based, and the most recent began in September 2025. For current results, consult EPA ECHO, or the PA state drinking water program.

Where can I find Mannitto Gc's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Mannitto Gc is a transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.

Other water systems in Westmoreland County

Water system	County	Population served	Type	Source
Mawc Sweeney Plant	Westmoreland	143,000	Community	Surface water
New Kensington Muni Auth	Westmoreland	47,800	Community	Surface water
Latrobe Muni Auth	Westmoreland	30,000	Community	Surface water
Highridge Water Auth	Westmoreland	16,000	Community	Surface water
Derry Boro Muni Auth	Westmoreland	6,500	Community	Surface water
Ligonier Twp Muni Auth	Westmoreland	3,293	Community	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, “Mannitto Gc, PWSID PA5650907, Pennsylvania”, https://aquacensus.com/water-systems/pennsylvania/mannitto-gc-pa5650907 (data as of October 1, 2026).