Public water system · PA3540036
ActiveDeer Lake Citizens Assoc
At a glance
Deer Lake Citizens Assoc (PWSID PA3540036) is an active community water system in Schuylkill County, Pennsylvania. It reports serving 380 people through 181 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, 2 are health-based, and the most recent began in November 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
380
Service connections
181
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Deer Lake Citizens Assoc compare with other water systems in Schuylkill County?
By EPA's size categories, Deer Lake Citizens Assoc is a very small system (500 people or fewer). Schuylkill County has 176 active public water systems. Its population served is about half of the county average of 750 people per system, and accounts for 0.3% of the 131,931 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 Deer Lake Citizens Assoc 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 Deer Lake Citizens Assoc?
EPA lists Deer Lake Citizens Assoc 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. 121 of the 176 active systems in Schuylkill County (69%) are also privately owned.
Does Deer Lake Citizens Assoc have drinking water violations?
Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in November 2025. The violations listed here began between July 2022 and November 2025. By type: 8 monitoring and reporting, 2 public notice, recordkeeping or other and 2 required treatment not met. The contaminant or rule involved most often is Groundwater 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 |
|---|---|---|---|---|
| 2025-11-13 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2025-11-01 | Required treatment not metTreatment Technique (SWTR and GWR) · code 41 | Groundwater Rulecode 0700 | Yes | Resolved |
| 2025-10-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Unfilt/GWR) · code 31 | Groundwater Rulecode 0700 | No | Resolved |
| 2025-06-13 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2025-06-01 | Required treatment not metTreatment Technique (SWTR and GWR) · code 41 | Groundwater Rulecode 0700 | Yes | Resolved |
| 2024-12-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Unfilt/GWR) · code 31 | Groundwater Rulecode 0700 | No | Resolved |
| 2024-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Alachlor (Lasso)code 2051 | No | Resolved |
| 2024-01-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Unfilt/GWR) · code 31 | Groundwater Rulecode 0700 | No | Resolved |
| 2024-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Alachlor (Lasso)code 2051 | No | Resolved |
| 2022-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Radium-228code 4030 | No | Resolved |
| 2022-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Radium-226code 4020 | No | Resolved |
| 2022-07-01 | 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.
Deer Lake Citizens Assoc: frequently asked questions
Who runs Deer Lake Citizens Assoc?
Deer Lake Citizens Assoc (PWSID PA3540036) is a community water system privately owned. It is regulated by the PA state drinking water program.
How many people does Deer Lake Citizens Assoc serve?
Deer Lake Citizens Assoc reports serving 380 people through 181 service connections in Schuylkill County, Pennsylvania.
Where does Deer Lake Citizens Assoc 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 Deer Lake Citizens Assoc 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 November 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 Deer Lake Citizens Assoc'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 November 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 Deer Lake Citizens Assoc's water quality report?
As a community water system, Deer Lake Citizens Assoc 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 Schuylkill County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Schuylkill Co Mun Auth | Schuylkill | 31,850 | Community | Surface water |
| Aqua Shenandoah | Schuylkill | 9,500 | Community | Surface water |
| Tamaqua Area Water Authority | Schuylkill | 8,000 | Community | Surface water |
| Minersville Municipal Water Au | Schuylkill | 7,275 | Community | Surface water |
| Blythe Twp Municipal Authority | Schuylkill | 7,100 | Community | Surface water |
| Kline Township Mun Authority | Schuylkill | 6,700 | 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, “Deer Lake Citizens Assoc, PWSID PA3540036, Pennsylvania”, https://aquacensus.com/water-systems/pennsylvania/deer-lake-citizens-assoc-pa3540036 (data as of October 1, 2026).