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Public water system · PA7220016

Active

Shady Back Acres MHP

At a glance

Shady Back Acres MHP (PWSID PA7220016) is an active community water system in Dauphin County, Pennsylvania. It reports serving 40 people through 20 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, 4 are health-based, and the most recent began in January 2025.

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

Population served

40

Service connections

20

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDPA7220016
System typeCommunity water system
Activity statusActive
Population served40
Service connections20
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyPA state drinking water program
City served—
StatePennsylvania
ZIP—
CountyDauphin County

How does Shady Back Acres MHP compare with other water systems in Dauphin County?

By EPA's size categories, Shady Back Acres MHP 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 community water system reports serving 6,703 people, so Shady Back Acres MHP 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 Shady Back Acres MHP?

EPA lists Shady Back Acres MHP 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. 89 of the 134 active systems in Dauphin County (66%) are also privately owned.

Does Shady Back Acres MHP have drinking water violations?

Of the 12 most recent violations in EPA's records, 4 are health-based, and the most recent began in January 2025. The violations listed here began between January 2011 and January 2025. By type: 7 monitoring and reporting, 3 contaminant level above the legal limit, 1 reporting and 1 required treatment not met. The contaminant or rule involved most often is Di(2-ethylhexyl) phthalate (4 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.

BeganViolationContaminant or ruleHealth-basedStatus
2025-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Di(2-ethylhexyl) phthalatecode 2039YesResolved
2024-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Di(2-ethylhexyl) phthalatecode 2039YesResolved
2024-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Di(2-ethylhexyl) phthalatecode 2039YesResolved
2023-07-01Monitoring and reportingMonitoring, Check/Repeat/Confirmation · code 04Di(2-ethylhexyl) phthalatecode 2039NoResolved
2022-10-09ReportingReport Sample Result/Fail Monitor (RTCR) · code 4BRevised Total Coliform Rulecode 8000NoResolved
2020-07-01Required treatment not metTreatment Technique (SWTR and GWR) · code 41Groundwater Rulecode 0700YesResolved
2016-10-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2016-10-01Monitoring and reportingMonitoring, Regular · code 03Nitritecode 1041NoResolved
2012-04-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Chlorinecode 0999NoResolved
2011-04-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Chlorinecode 0999NoResolved
2011-01-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Chlorinecode 0999NoResolved
2011-01-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Chlorinecode 0999NoResolved

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.

Shady Back Acres MHP: frequently asked questions

Who runs Shady Back Acres MHP?

Shady Back Acres MHP (PWSID PA7220016) is a community water system privately owned. It is regulated by the PA state drinking water program.

How many people does Shady Back Acres MHP serve?

Shady Back Acres MHP reports serving 40 people through 20 service connections in Dauphin County, Pennsylvania.

Where does Shady Back Acres MHP 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 Shady Back Acres MHP have any drinking water violations?

Of the 12 most recent violations in EPA's records, 4 are health-based, and the most recent began in January 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 Shady Back Acres MHP'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, 4 are health-based, and the most recent began in January 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the PA state drinking water program.

Where can I find Shady Back Acres MHP's water quality report?

As a community water system, Shady Back Acres MHP 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 Dauphin County

Water systemCountyPopulation servedTypeSource
Veolia WaterDauphin110,000CommunitySurface water
Capital Region WaterDauphin66,540CommunitySurface water
Pa Amer Water CoDauphin50,200CommunitySurface water
Veolia MiddletownDauphin9,600CommunityGroundwater
Pa American Water SteeltonDauphin6,428CommunitySurface water
Penn National GamingDauphin6,000Non-transient non-communityGroundwater

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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, “Shady Back Acres MHP, PWSID PA7220016, Pennsylvania”, https://aquacensus.com/water-systems/pennsylvania/shady-back-acres-mhp-pa7220016 (data as of October 1, 2026).