Public water system · PA1150210
ActiveBcwsa St Stephens Greene
At a glance
Bcwsa St Stephens Greene (PWSID PA1150210) is an active community water system in Chester County, Pennsylvania. It reports serving 130 people through 34 service connections. 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, none is health-based, and the most recent began in January 2021.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
130
Service connections
34
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Bcwsa St Stephens Greene compare with other water systems in Chester County?
By EPA's size categories, Bcwsa St Stephens Greene 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 less than 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 community water system reports serving 6,703 people, so Bcwsa St Stephens Greene 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 Bcwsa St Stephens Greene?
EPA lists Bcwsa St Stephens Greene 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. 24 of the 254 active systems in Chester County (9.4%) are also owned by a local government.
Does Bcwsa St Stephens Greene have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2021. The violations listed here began between January 2013 and January 2021. By type: 11 monitoring and reporting and 1 reporting. The contaminants or rules involved are 2,3,7,8-TCDD (dioxin), Revised Total Coliform Rule, Groundwater Rule and Dichloromethane. 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 |
|---|---|---|---|---|
| 2021-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 2,3,7,8-TCDD (dioxin)code 2063 | No | Resolved |
| 2016-06-01 | ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2015-03-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Unfilt/GWR) · code 31 | Groundwater Rulecode 0700 | No | Resolved |
| 2013-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Dichloromethanecode 2964 | No | Resolved |
| 2013-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,1,1-Trichloroethanecode 2981 | No | Resolved |
| 2013-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | o-Dichlorobenzenecode 2968 | No | Resolved |
| 2013-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,1,2-Trichloroethanecode 2985 | No | Resolved |
| 2013-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2-Dichloroethanecode 2980 | No | Resolved |
| 2013-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,1-Dichloroethylenecode 2977 | No | Resolved |
| 2013-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | trans-1,2-Dichloroethylenecode 2979 | No | Resolved |
| 2013-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Styrenecode 2996 | No | Resolved |
| 2013-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2-Dichloropropanecode 2983 | 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.
Bcwsa St Stephens Greene: frequently asked questions
Who runs Bcwsa St Stephens Greene?
Bcwsa St Stephens Greene (PWSID PA1150210) is a community water system owned by a local government. It is regulated by the PA state drinking water program.
How many people does Bcwsa St Stephens Greene serve?
Bcwsa St Stephens Greene reports serving 130 people through 34 service connections in Chester County, Pennsylvania.
Where does Bcwsa St Stephens Greene 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 Bcwsa St Stephens Greene 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 January 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 Bcwsa St Stephens Greene'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 January 2021. For current results, consult the system's annual water quality report, EPA ECHO, or the PA state drinking water program.
Where can I find Bcwsa St Stephens Greene's water quality report?
As a community water system, Bcwsa St Stephens Greene 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 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, “Bcwsa St Stephens Greene, PWSID PA1150210, Pennsylvania”, https://aquacensus.com/water-systems/pennsylvania/bcwsa-st-stephens-greene-pa1150210 (data as of October 1, 2026).