Public water system · PA4410025
ActiveLoyalsock Mobile Home Park
At a glance
Loyalsock Mobile Home Park (PWSID PA4410025) is an active community water system in Lycoming County, Pennsylvania. It reports serving 85 people through 33 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, one is health-based, and the most recent began in September 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
85
Service connections
33
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Loyalsock Mobile Home Park compare with other water systems in Lycoming County?
By EPA's size categories, Loyalsock Mobile Home Park is a very small system (500 people or fewer). Lycoming County has 126 active public water systems. Its population served is well below the county average of 702 people per system, and accounts for less than 0.1% of the 88,482 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 Loyalsock 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 Loyalsock Mobile Home Park?
EPA lists Loyalsock Mobile Home Park 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. 103 of the 126 active systems in Lycoming County (82%) are also privately owned.
Does Loyalsock Mobile Home Park have drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in September 2025. The violations listed here began between January 2019 and September 2025. By type: 8 monitoring and reporting, 1 monitoring, 1 reporting, 1 public notice, recordkeeping or other and 1 required treatment not met. The contaminant or rule involved most often is Revised Total Coliform Rule (2 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 |
|---|---|---|---|---|
| 2025-09-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2024-08-11 | ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2023-10-11 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2023-06-01 | Required treatment not metTreatment Technique (SWTR and GWR) · code 41 | Groundwater Rulecode 0700 | Yes | Resolved |
| 2022-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2022-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitritecode 1041 | No | Resolved |
| 2022-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2022-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2022-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2,4-Trichlorobenzenecode 2378 | No | Resolved |
| 2019-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Chlordanecode 2959 | No | Resolved |
| 2019-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Benzo(a)pyrenecode 2306 | No | Resolved |
| 2019-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Ethylene dibromide (EDB)code 2946 | 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.
Loyalsock Mobile Home Park: frequently asked questions
Who runs Loyalsock Mobile Home Park?
Loyalsock Mobile Home Park (PWSID PA4410025) is a community water system privately owned. It is regulated by the PA state drinking water program.
How many people does Loyalsock Mobile Home Park serve?
Loyalsock Mobile Home Park reports serving 85 people through 33 service connections in Lycoming County, Pennsylvania.
Where does Loyalsock 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 Loyalsock Mobile Home Park have any drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in September 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 Loyalsock 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, one is health-based, and the most recent began in September 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 Loyalsock Mobile Home Park's water quality report?
As a community water system, Loyalsock 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 Lycoming County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Williamsport Mun Water Auth | Lycoming | 51,000 | Community | Surface water |
| Jersey Shore Area Jnt Wat Auth | Lycoming | 6,600 | Community | Surface water |
| Montoursville Water Company | Lycoming | 4,983 | Community | Groundwater |
| Muncy Borough Water Company | Lycoming | 2,900 | Community | Groundwater |
| Hughesville Borough Water Auth | Lycoming | 2,800 | Community | Groundwater |
| Montgomery Water Authority | Lycoming | 2,700 | 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, “Loyalsock Mobile Home Park, PWSID PA4410025, Pennsylvania”, https://aquacensus.com/water-systems/pennsylvania/loyalsock-mobile-home-park-pa4410025 (data as of October 1, 2026).