Public water system · PA1150766
ActiveCrows Nest Preserve
At a glance
Crows Nest Preserve (PWSID PA1150766) is an active transient non-community water system in Chester County, Pennsylvania. It reports serving 25 people through 2 service connections. Its primary water source is groundwater, and EPA lists it as under public/private ownership. EPA's records list one violation for this system; it is not health-based, and the most recent began in April 2015.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
25
Service connections
2
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Crows Nest Preserve compare with other water systems in Chester County?
By EPA's size categories, Crows Nest Preserve 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 transient non-community water system reports serving 144 people, so Crows Nest Preserve 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 Crows Nest Preserve?
EPA lists Crows Nest Preserve as under public/private ownership. 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 254 active systems in Chester County (22%) are also under public/private ownership.
Does Crows Nest Preserve have drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in April 2015. By type: 1 monitoring and reporting. The contaminant or rule involved is Total coliform bacteria (TCR). EPA lists 1 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 |
|---|---|---|---|---|
| 2015-04-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
The one violation in EPA's records.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.
Crows Nest Preserve: frequently asked questions
Who runs Crows Nest Preserve?
Crows Nest Preserve (PWSID PA1150766) is a transient non-community water system under public/private ownership. It is regulated by the PA state drinking water program.
How many people does Crows Nest Preserve serve?
Crows Nest Preserve reports serving 25 people through 2 service connections in Chester County, Pennsylvania.
Where does Crows Nest Preserve 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 Crows Nest Preserve have any drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in April 2015. 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 Crows Nest Preserve'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. EPA's records list one violation for this system; it is not health-based, and the most recent began in April 2015. For current results, consult EPA ECHO, or the PA state drinking water program.
Where can I find Crows Nest Preserve's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Crows Nest Preserve 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, “Crows Nest Preserve, PWSID PA1150766, Pennsylvania”, https://aquacensus.com/water-systems/pennsylvania/crows-nest-preserve-pa1150766 (data as of October 1, 2026).