Public water system · PA7220377

Active

Conewago Twp Elem Sch

At a glance

Conewago Twp Elem Sch (PWSID PA7220377) is an active non-transient non-community water system in Dauphin County, Pennsylvania. It reports serving 250 people through 1 service connection. 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, 2 are health-based, and the most recent began in March 2026.

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

Population served

250

Service connections

Primary source

Groundwater

System type

NTNCWS

Non-transient non-community water system

System record

PWSIDPA7220377

System typeNon-transient non-community water system

Activity statusActive

Population served250

Service connections1

Primary water sourceGroundwater

Owner typeLocal government

Primacy agencyPA state drinking water program

City served—

StatePennsylvania

ZIP—

CountyDauphin County

How does Conewago Twp Elem Sch compare with other water systems in Dauphin County?

By EPA's size categories, Conewago Twp Elem Sch is a very small system (500 people or fewer). Dauphin County has 134 active public water systems. Its population served is well below the county average of 2,176 people per system, and accounts for less than 0.1% of the 291,539 people reported by systems filed under the county. Across Pennsylvania, the 7,217 active systems average 1,741 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so Conewago Twp Elem Sch is about 42% below that figure.

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

A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. Pennsylvania has 1,026 active non-transient non-community water systems, 14% 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 Conewago Twp Elem Sch?

EPA lists Conewago Twp Elem Sch 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. 21 of the 134 active systems in Dauphin County (16%) are also owned by a local government.

Does Conewago Twp Elem Sch have drinking water violations?

Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in March 2026. The violations listed here began between December 2015 and March 2026. By type: 9 monitoring and reporting, 2 required treatment not met and 1 monitoring. The contaminant or rule involved most often is Groundwater 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
2026-03-01	Monitoring and reportingMonitoring of Treatment (SWTR-Unfilt/GWR) · code 31	Groundwater Rulecode 0700	No	Resolved
2025-07-01	Monitoring and reportingMonitoring of Treatment (SWTR-Unfilt/GWR) · code 31	Groundwater Rulecode 0700	No	Resolved
2023-06-01	Required treatment not metTreatment Technique (SWTR and GWR) · code 41	Groundwater Rulecode 0700	Yes	Resolved
2021-07-01	Monitoring and reportingMonitoring of Treatment (SWTR-Unfilt/GWR) · code 31	Groundwater Rulecode 0700	No	Resolved
2021-06-01	Monitoring and reportingMonitoring of Treatment (SWTR-Unfilt/GWR) · code 31	Groundwater Rulecode 0700	No	Resolved
2020-11-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2020-02-01	Monitoring and reportingMonitoring of Treatment (SWTR-Unfilt/GWR) · code 31	Groundwater Rulecode 0700	No	Resolved
2019-01-01	Monitoring and reportingMonitoring of Treatment (SWTR-Unfilt/GWR) · code 31	Groundwater Rulecode 0700	No	Resolved
2017-10-01	Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52	Lead and Copper Rulecode 5000	No	Resolved
2017-07-01	Required treatment not metTreatment Technique (SWTR and GWR) · code 41	Groundwater Rulecode 0700	Yes	Resolved
2016-07-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Chlorinecode 0999	No	Resolved
2015-12-01	Monitoring and reportingMonitoring of Treatment (SWTR-Unfilt/GWR) · code 31	Groundwater Rulecode 0700	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.

Conewago Twp Elem Sch: frequently asked questions

Who runs Conewago Twp Elem Sch?

Conewago Twp Elem Sch (PWSID PA7220377) is a non-transient non-community water system owned by a local government. It is regulated by the PA state drinking water program.

How many people does Conewago Twp Elem Sch serve?

Conewago Twp Elem Sch reports serving 250 people through 1 service connection in Dauphin County, Pennsylvania.

Where does Conewago Twp Elem Sch 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 Conewago Twp Elem Sch have any drinking water violations?

Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in March 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 Conewago Twp Elem Sch'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, 2 are health-based, and the most recent began in March 2026. For current results, consult EPA ECHO, or the PA state drinking water program.

Where can I find Conewago Twp Elem Sch's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Conewago Twp Elem Sch is a non-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 Dauphin County

Water system	County	Population served	Type	Source
Veolia Water	Dauphin	110,000	Community	Surface water
Capital Region Water	Dauphin	66,540	Community	Surface water
Pa Amer Water Co	Dauphin	50,200	Community	Surface water
Veolia Middletown	Dauphin	9,600	Community	Groundwater
Pa American Water Steelton	Dauphin	6,428	Community	Surface water
Penn National Gaming	Dauphin	6,000	Non-transient non-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, “Conewago Twp Elem Sch, PWSID PA7220377, Pennsylvania”, https://aquacensus.com/water-systems/pennsylvania/conewago-twp-elem-sch-pa7220377 (data as of October 1, 2026).