Public water system · MD0070214
ActiveConowingo Mobile Home Park
At a glance
Conowingo Mobile Home Park (PWSID MD0070214) is an active community water system in Cecil County, Pennsylvania. It reports serving 250 people through 100 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 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
250
Service connections
100
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Conowingo Mobile Home Park compare with other water systems in Cecil County?
By EPA's size categories, Conowingo Mobile Home Park is a very small system (500 people or fewer). Cecil County has 9 active public water systems, and Conowingo Mobile Home Park is the 4th-largest of them by population served. Its population served is about 29% above the county average of 194 people per system, and accounts for 14% of the 1,747 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 Conowingo Mobile Home Park 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 Conowingo Mobile Home Park?
EPA lists Conowingo Mobile Home Park as privately owned. The MD state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 9 of the 9 active systems in Cecil County (100%) are also privately owned.
Does Conowingo Mobile Home Park 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 2024. The violations listed here began between October 2007 and October 2024. By type: 4 public notice, recordkeeping or other, 4 monitoring and reporting, 2 contaminant level above the legal limit, 1 reporting and 1 required treatment not met. The contaminant or rule involved most often is Consumer Confidence Rule (3 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 |
|---|---|---|---|---|
| 2024-10-17 | ReportingLSL Reporting · code 4G | Lead and Copper Rule Revisionscode 5200 | No | Resolved |
| 2024-10-17 | Required treatment not metLSL Inventory · code 2E | Lead and Copper Rule Revisionscode 5200 | Yes | Resolved |
| 2017-10-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2014-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2013-08-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2012-10-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2012-06-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2011-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2011-10-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2010-12-01 | Public notice, recordkeeping or otherPublic Notification Violation without NPDWR Violation · code 76 | Public Noticecode 7500 | No | Resolved |
| 2010-08-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2007-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | 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.
Conowingo Mobile Home Park: frequently asked questions
Who runs Conowingo Mobile Home Park?
Conowingo Mobile Home Park (PWSID MD0070214) is a community water system privately owned. It is regulated by the MD state drinking water program.
How many people does Conowingo Mobile Home Park serve?
Conowingo Mobile Home Park reports serving 250 people through 100 service connections in Cecil County, Pennsylvania.
Where does Conowingo Mobile Home Park 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 Conowingo Mobile Home Park 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 2024. 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 Conowingo Mobile Home Park'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 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the MD state drinking water program.
Where can I find Conowingo Mobile Home Park's water quality report?
As a community water system, Conowingo Mobile Home Park 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 Cecil County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Cecil Woods M.H.P. Distribution System | Cecil | 320 | Community | Purchased groundwater |
| Indian Acres Club of Chesapeake Bay | Cecil | 316 | Transient non-community | Groundwater |
| Warwick Mushroom Farm | Cecil | 265 | Non-transient non-community | Groundwater |
| W.L. Gore at Fair Hill | Cecil | 200 | Non-transient non-community | Groundwater |
| Chesapeake Estates Mobile Home Park | Cecil | 159 | Community | Groundwater |
| Uncle Bobs Western Corral | Cecil | 100 | Transient non-community | Groundwater |
Related pages
Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
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, “Conowingo Mobile Home Park, PWSID MD0070214, Pennsylvania”, https://aquacensus.com/water-systems/pennsylvania/conowingo-mobile-home-park-md0070214 (data as of October 1, 2026).