Public water system · NY4700095
ActiveJefferson Water District
At a glance
Jefferson Water District (PWSID NY4700095) is an active community water system in Schoharie County, New York. It reports serving 300 people through 93 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in February 2022.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
300
Service connections
93
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Jefferson Water District compare with other water systems in Schoharie County?
By EPA's size categories, Jefferson Water District is a very small system (500 people or fewer). Schoharie County has 66 active public water systems. Its population served is roughly in line with the county average of 306 people per system, and accounts for 1.5% of the 20,190 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 Jefferson Water District 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 means the system draws its water from wells or springs fed by underground aquifers. 7,096 New York systems (87%) list groundwater as their primary source.
Who owns and regulates Jefferson Water District?
EPA lists Jefferson Water District 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. 15 of the 66 active systems in Schoharie County (23%) are also owned by a local government.
Does Jefferson Water District have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in February 2022. The violations listed here began between August 2010 and February 2022. By type: 7 monitoring and reporting, 4 public notice, recordkeeping or other and 1 monitoring. The contaminant or rule involved most often is Total coliform bacteria (TCR) (5 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 |
|---|---|---|---|---|
| 2022-02-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2016-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2015-05-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2013-09-01 | Public notice, recordkeeping or otherOperations Report · code 10 | Not reported | No | Resolved |
| 2013-09-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2012-12-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2012-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2010-10-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2010-10-01 | Public notice, recordkeeping or otherOperations Report · code 10 | Not reported | No | Resolved |
| 2010-09-01 | Public notice, recordkeeping or otherOperations Report · code 10 | Not reported | No | Resolved |
| 2010-09-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2010-08-01 | Public notice, recordkeeping or otherOperations Report · code 10 | Not reported | 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.
Jefferson Water District: frequently asked questions
Who runs Jefferson Water District?
Jefferson Water District (PWSID NY4700095) is a community water system owned by a local government. It is regulated by the NY state drinking water program.
How many people does Jefferson Water District serve?
Jefferson Water District reports serving 300 people through 93 service connections in Schoharie County, New York.
Where does Jefferson Water District 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 Jefferson Water District 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 February 2022. 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 Jefferson Water District'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 February 2022. For current results, consult the system's annual water quality report, EPA ECHO, or the NY state drinking water program.
Where can I find Jefferson Water District's water quality report?
As a community water system, Jefferson Water District 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 Schoharie County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Cobleskill Village | Schoharie | 4,678 | Community | Surface water |
| Middleburgh Village | Schoharie | 1,500 | Community | Groundwater |
| Warnerville Water District # 1 | Schoharie | 1,300 | Community | Purchased surface water |
| Schoharie Village | Schoharie | 922 | Community | Groundwater under influence of surface water |
| Richmondville Village | Schoharie | 918 | Community | Surface water |
| C-R High School | Schoharie | 800 | Non-transient non-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, “Jefferson Water District, PWSID NY4700095, New York”, https://aquacensus.com/water-systems/new-york/jefferson-water-district-ny4700095 (data as of October 1, 2026).