Public water system · NY2202340
ActiveMannsville Village
At a glance
Mannsville Village (PWSID NY2202340) is an active community water system in Jefferson County, New York. It reports serving 450 people through 175 service connections. Its primary water source is groundwater under influence of surface water, and EPA lists it as owned by a local government. EPA's records list 2 violations for this system; none is health-based, and the most recent began in June 2004.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
450
Service connections
175
Primary source
GU
Groundwater under influence of surface water
System type
CWS
Community water system
System record
How does Mannsville Village compare with other water systems in Jefferson County?
By EPA's size categories, Mannsville Village is a very small system (500 people or fewer). Jefferson County has 157 active public water systems. Its population served is about half of the county average of 832 people per system, and accounts for 0.3% of the 130,600 people reported by systems filed under the county. Across New York, the 8,167 active systems average 2,374 people each. Nationally, the average active community water system reports serving 6,703 people, so Mannsville Village 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. New York has 2,281 active community water systems, 28% of the state's 8,167 active systems. Groundwater under the influence of surface water is well or spring water that the regulator has found to be affected by nearby surface water, so it is regulated under the surface-water treatment rules. 241 New York systems (3%) list groundwater under influence of surface water as their primary source.
Who owns and regulates Mannsville Village?
EPA lists Mannsville Village as owned by a local government. The NY state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 46 of the 157 active systems in Jefferson County (29%) are also owned by a local government.
Does Mannsville Village have drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in June 2004. The violations listed here began between January 1999 and June 2004. By type: 2 monitoring and reporting. The contaminants or rules involved are Lead and Copper Rule and Nitrate. EPA lists 2 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 |
|---|---|---|---|---|
| 2004-06-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 1999-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
All 2 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.
Mannsville Village: frequently asked questions
Who runs Mannsville Village?
Mannsville Village (PWSID NY2202340) is a community water system owned by a local government. It is regulated by the NY state drinking water program.
How many people does Mannsville Village serve?
Mannsville Village reports serving 450 people through 175 service connections in Jefferson County, New York.
Where does Mannsville Village get its water?
EPA SDWIS lists this system's primary water source as groundwater under influence of surface water. Groundwater under the influence of surface water is well or spring water that the regulator has found to be affected by nearby surface water, so it is regulated under the surface-water treatment rules.
Does Mannsville Village have any drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in June 2004. 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 Mannsville Village'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 2 violations for this system; none is health-based, and the most recent began in June 2004. For current results, consult the system's annual water quality report, EPA ECHO, or the NY state drinking water program.
Where can I find Mannsville Village's water quality report?
As a community water system, Mannsville Village 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 Jefferson County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Fort Drum | Jefferson | 34,000 | Community | Purchased surface water |
| Watertown City | Jefferson | 27,861 | Community | Surface water |
| Leray Town Wd 1, 2, 4 | Jefferson | 7,140 | Community | Groundwater |
| Carthage Village | Jefferson | 3,600 | Community | Surface water |
| Cape Vincent Town Wd 1 & 5 | Jefferson | 2,600 | Community | Purchased surface water |
| Sackets Harbor Village | Jefferson | 2,200 | Community | Surface water |
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, “Mannsville Village, PWSID NY2202340, New York”, https://aquacensus.com/water-systems/new-york/mannsville-village-ny2202340 (data as of October 1, 2026).