Public water system · PA6420011
ActiveLudlow Warner System
At a glance
Ludlow Warner System (PWSID PA6420011) is an active community water system in McKean County, Pennsylvania. It reports serving 76 people through 81 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, none is health-based, and the most recent began in January 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
76
Service connections
81
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Ludlow Warner System compare with other water systems in McKean County?
By EPA's size categories, Ludlow Warner System is a very small system (500 people or fewer). McKean County has 54 active public water systems. Its population served is well below the county average of 738 people per system, and accounts for 0.2% of the 39,840 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 Ludlow Warner System 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 Ludlow Warner System?
EPA lists Ludlow Warner System 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. 36 of the 54 active systems in McKean County (67%) are also privately owned.
Does Ludlow Warner System 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 2025. The violations listed here began between January 2022 and January 2025. By type: 11 monitoring and reporting and 1 monitoring. The contaminants or rules involved are Dalapon, Picloram, 2,4,5-TP (Silvex) and 2,4-D. 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 |
|---|---|---|---|---|
| 2025-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Dalaponcode 2031 | No | Resolved |
| 2025-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Picloramcode 2040 | No | Resolved |
| 2025-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 2,4,5-TP (Silvex)code 2110 | No | Resolved |
| 2025-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 2,4-Dcode 2105 | No | Resolved |
| 2025-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Pentachlorophenolcode 2326 | No | Resolved |
| 2025-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Dinosebcode 2041 | No | Resolved |
| 2025-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Diquatcode 2032 | No | Resolved |
| 2022-12-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2022-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Styrenecode 2996 | No | Resolved |
| 2022-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2-Dichloroethanecode 2980 | No | Resolved |
| 2022-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Carbon tetrachloridecode 2982 | No | Resolved |
| 2022-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,1-Dichloroethylenecode 2977 | 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.
Ludlow Warner System: frequently asked questions
Who runs Ludlow Warner System?
Ludlow Warner System (PWSID PA6420011) is a community water system privately owned. It is regulated by the PA state drinking water program.
How many people does Ludlow Warner System serve?
Ludlow Warner System reports serving 76 people through 81 service connections in McKean County, Pennsylvania.
Where does Ludlow Warner System 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 Ludlow Warner System 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 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 Ludlow Warner System'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 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 Ludlow Warner System's water quality report?
As a community water system, Ludlow Warner System 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 McKean County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Bradford City Water Authority | McKean | 18,500 | Community | Surface water |
| Pa American Water Co Kane | McKean | 5,725 | Community | Surface water |
| Port Allegany Water Department | McKean | 2,591 | Community | Groundwater |
| Smethport Borough | McKean | 2,400 | Community | Groundwater |
| Aqua Pa Mt Jewett | McKean | 972 | Community | Groundwater |
| Lewis Run Borough | McKean | 892 | Community | Purchased 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, “Ludlow Warner System, PWSID PA6420011, Pennsylvania”, https://aquacensus.com/water-systems/pennsylvania/ludlow-warner-system-pa6420011 (data as of October 1, 2026).