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Public water system · PA4110837

Active

Keystone Restaurant

At a glance

Keystone Restaurant (PWSID PA4110837) is an active transient non-community water system in Cambria County, Pennsylvania. It reports serving 250 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 11 violations for this system; none is health-based, and the most recent began in October 2023.

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

Population served

250

Service connections

1

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDPA4110837
System typeTransient non-community water system
Activity statusActive
Population served250
Service connections1
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyPA state drinking water program
City served—
StatePennsylvania
ZIP—
CountyCambria County

How does Keystone Restaurant compare with other water systems in Cambria County?

By EPA's size categories, Keystone Restaurant is a very small system (500 people or fewer). Cambria County has 65 active public water systems. Its population served is well below the county average of 2,176 people per system, and accounts for 0.2% of the 141,432 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 Keystone Restaurant is about 74% 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 Keystone Restaurant?

EPA lists Keystone Restaurant 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. 22 of the 65 active systems in Cambria County (34%) are also privately owned.

Does Keystone Restaurant have drinking water violations?

EPA's records list 11 violations for this system; none is health-based, and the most recent began in October 2023. The violations listed here began between December 1986 and October 2023. By type: 7 monitoring and reporting, 2 public notice, recordkeeping or other and 2 monitoring. The contaminant or rule involved most often is Nitrate (5 of them). EPA lists 11 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.

BeganViolationContaminant or ruleHealth-basedStatus
2023-10-11Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2023-04-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2022-09-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2022-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2022-01-01Monitoring and reportingMonitoring, Regular · code 03Nitritecode 1041NoResolved
2016-04-01Public notice, recordkeeping or otherSample Siting Plan Errors (RTCR) · code 5ARevised Total Coliform Rulecode 8000NoResolved
1999-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
1997-10-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
1995-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
1993-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
1986-12-24Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved

All 11 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.

Keystone Restaurant: frequently asked questions

Who runs Keystone Restaurant?

Keystone Restaurant (PWSID PA4110837) is a transient non-community water system privately owned. It is regulated by the PA state drinking water program.

How many people does Keystone Restaurant serve?

Keystone Restaurant reports serving 250 people through 1 service connection in Cambria County, Pennsylvania.

Where does Keystone Restaurant 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 Keystone Restaurant have any drinking water violations?

EPA's records list 11 violations for this system; none is health-based, and the most recent began in October 2023. 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 Keystone Restaurant'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. EPA's records list 11 violations for this system; none is health-based, and the most recent began in October 2023. For current results, consult EPA ECHO, or the PA state drinking water program.

Where can I find Keystone Restaurant's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Keystone Restaurant 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 Cambria County

Water systemCountyPopulation servedTypeSource
Greater Johnstown Wa RiversideCambria49,500CommunitySurface water
Highland S & W Auth BeaverdamCambria22,617CommunitySurface water
Ebensburg Boro Muni AuthCambria8,500CommunitySurface water
Portage Boro Muni AuthCambria6,500CommunitySurface water
Northern Cambria Muni WaterCambria4,500CommunityGroundwater under influence of surface water
Southwestern Cambria Cnty AuthCambria4,400CommunityPurchased 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, “Keystone Restaurant, PWSID PA4110837, Pennsylvania”, https://aquacensus.com/water-systems/pennsylvania/keystone-restaurant-pa4110837 (data as of October 1, 2026).