Public water system · PA4310817

Active

Diner 22

At a glance

Diner 22 (PWSID PA4310817) is an active transient non-community water system in Huntingdon County, Pennsylvania. It reports serving 25 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, none is health-based, and the most recent began in April 2021.

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

Population served

Service connections

Primary source

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDPA4310817

System typeTransient non-community water system

Activity statusActive

Population served25

Service connections1

Primary water sourceGroundwater

Owner typePrivate

Primacy agencyPA state drinking water program

City served—

StatePennsylvania

ZIP—

CountyHuntingdon County

How does Diner 22 compare with other water systems in Huntingdon County?

By EPA's size categories, Diner 22 is a very small system (500 people or fewer). Huntingdon County has 86 active public water systems. Its population served is well below the county average of 470 people per system, and accounts for less than 0.1% of the 40,410 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 Diner 22 is well below 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 Diner 22?

EPA lists Diner 22 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. 55 of the 86 active systems in Huntingdon County (64%) are also privately owned.

Does Diner 22 have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in April 2021. The violations listed here began between July 2015 and April 2021. By type: 8 monitoring and reporting and 4 public notice, recordkeeping or other. The contaminant or rule involved most often is Groundwater Rule (8 of them). EPA lists 10 as resolved and 2 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
2021-04-01	Monitoring and reportingMonitoring of Treatment (SWTR-Unfilt/GWR) · code 31	Groundwater Rulecode 0700	No	Resolved
2020-01-01	Monitoring and reportingMonitoring of Treatment (SWTR-Unfilt/GWR) · code 31	Groundwater Rulecode 0700	No	Resolved
2019-05-01	Monitoring and reportingMonitoring of Treatment (SWTR-Unfilt/GWR) · code 31	Groundwater Rulecode 0700	No	Resolved
2019-02-01	Monitoring and reportingMonitoring of Treatment (SWTR-Unfilt/GWR) · code 31	Groundwater Rulecode 0700	No	Resolved
2018-05-01	Monitoring and reportingMonitoring of Treatment (SWTR-Unfilt/GWR) · code 31	Groundwater Rulecode 0700	No	Resolved
2018-02-01	Monitoring and reportingMonitoring of Treatment (SWTR-Unfilt/GWR) · code 31	Groundwater Rulecode 0700	No	Resolved
2017-12-01	Monitoring and reportingMonitoring of Treatment (SWTR-Unfilt/GWR) · code 31	Groundwater Rulecode 0700	No	Resolved
2017-11-01	Monitoring and reportingMonitoring of Treatment (SWTR-Unfilt/GWR) · code 31	Groundwater Rulecode 0700	No	Resolved
2017-01-11	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Resolved
2017-01-11	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Resolved
2016-10-11	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Unaddressed
2015-07-11	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Unaddressed

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.

Diner 22: frequently asked questions

Who runs Diner 22?

Diner 22 (PWSID PA4310817) is a transient non-community water system privately owned. It is regulated by the PA state drinking water program.

How many people does Diner 22 serve?

Diner 22 reports serving 25 people through 1 service connection in Huntingdon County, Pennsylvania.

Where does Diner 22 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 Diner 22 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 April 2021. 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 Diner 22'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 April 2021. For current results, consult EPA ECHO, or the PA state drinking water program.

Where can I find Diner 22's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Diner 22 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 Huntingdon County

Water system	County	Population served	Type	Source
Huntingdon Boro Water Dept	Huntingdon	13,776	Community	Surface water
Mt Union Municipal Auth	Huntingdon	5,801	Community	Surface water
St Correct Inst Huntingdon	Huntingdon	2,200	Community	Purchased surface water
Martins Gen Store	Huntingdon	1,500	Transient non-community	Groundwater
Walker Twp Muni Auth	Huntingdon	1,450	Community	Groundwater
Orbisonia Rockhill Jt Mun Auth	Huntingdon	1,200	Community	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, “Diner 22, PWSID PA4310817, Pennsylvania”, https://aquacensus.com/water-systems/pennsylvania/diner-22-pa4310817 (data as of October 1, 2026).