Public water system · PA1150436

Active

Seven Stars Inn

At a glance

Seven Stars Inn (PWSID PA1150436) is an active transient non-community water system in Chester County, Pennsylvania. It reports serving 350 people through 2 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, 3 are health-based, and the most recent began in October 2022.

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

Population served

350

Service connections

Primary source

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDPA1150436

System typeTransient non-community water system

Activity statusActive

Population served350

Service connections2

Primary water sourceGroundwater

Owner typePrivate

Primacy agencyPA state drinking water program

City served—

StatePennsylvania

ZIP—

CountyChester County

How does Seven Stars Inn compare with other water systems in Chester County?

By EPA's size categories, Seven Stars Inn is a very small system (500 people or fewer). Chester County has 254 active public water systems. Its population served is well below the county average of 1,167 people per system, and accounts for 0.1% of the 296,348 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 Seven Stars Inn is about 143% 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 Seven Stars Inn?

EPA lists Seven Stars Inn 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. 173 of the 254 active systems in Chester County (68%) are also privately owned.

Does Seven Stars Inn have drinking water violations?

Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in October 2022. The violations listed here began between April 2016 and October 2022. By type: 4 monitoring and reporting, 3 public notice, recordkeeping or other, 2 required treatment not met, 1 reporting, 1 contaminant level above the legal limit and 1 monitoring. The contaminant or rule involved most often is Revised Total Coliform Rule (6 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
2022-10-12	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Resolved
2022-09-01	Required treatment not metTreatment Technique, Corrective/Expedited Actions (RTCR) · code 2C	Revised Total Coliform Rulecode 8000	Yes	Resolved
2022-09-01	ReportingNotify Level 1/Level 2 Treatment Technique Violation, Correct Action (RTCR) · code 4F	Revised Total Coliform Rulecode 8000	No	Resolved
2022-06-24	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Resolved
2022-05-14	Required treatment not metTreatment Technique, Level 2 Assessment (RTCR) · code 2B	Revised Total Coliform Rulecode 8000	Yes	Resolved
2022-04-17	Monitoring and reportingMonitoring, Source Water (GWR) · code 34	E. colicode 3014	No	Resolved
2022-04-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, E. coli (RTCR) · code 1A	Revised Total Coliform Rulecode 8000	Yes	Resolved
2022-01-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2019-02-04	Monitoring and reportingMonitoring, Source Water (GWR) · code 34	E. colicode 3014	No	Resolved
2016-10-01	Monitoring and reportingMonitoring, Regular · code 03	Nitritecode 1041	No	Resolved
2016-10-01	Monitoring and reportingMonitoring, Regular · code 03	Nitratecode 1040	No	Resolved
2016-04-01	Public notice, recordkeeping or otherSample Siting Plan Errors (RTCR) · code 5A	Revised Total Coliform Rulecode 8000	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.

Seven Stars Inn: frequently asked questions

Who runs Seven Stars Inn?

Seven Stars Inn (PWSID PA1150436) is a transient non-community water system privately owned. It is regulated by the PA state drinking water program.

How many people does Seven Stars Inn serve?

Seven Stars Inn reports serving 350 people through 2 service connections in Chester County, Pennsylvania.

Where does Seven Stars Inn 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 Seven Stars Inn have any drinking water violations?

Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in October 2022. 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 Seven Stars Inn'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, 3 are health-based, and the most recent began in October 2022. For current results, consult EPA ECHO, or the PA state drinking water program.

Where can I find Seven Stars Inn's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Seven Stars Inn 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 Chester County

Water system	County	Population served	Type	Source
Pa American Royersford	Chester	49,508	Community	Surface water
Aqua Pa West Chester	Chester	48,600	Community	Surface water
Pa American Coatesville	Chester	36,960	Community	Surface water
Aqua Pa Uwchlan	Chester	35,518	Community	Purchased surface water
Phoenixville Water Dept	Chester	16,599	Community	Surface water
Downingtown Water Authority	Chester	9,900	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, “Seven Stars Inn, PWSID PA1150436, Pennsylvania”, https://aquacensus.com/water-systems/pennsylvania/seven-stars-inn-pa1150436 (data as of October 1, 2026).