Public water system · NY2102309
ActiveMiddleville (V) Water Works
At a glance
Middleville (V) Water Works (PWSID NY2102309) is an active community water system in Herkimer County, New York. It reports serving 550 people through 222 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 October 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
550
Service connections
222
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Middleville (V) Water Works compare with other water systems in Herkimer County?
By EPA's size categories, Middleville (V) Water Works is a small system (501 to 3,300 people). Herkimer County has 123 active public water systems. Its population served is about 41% above the county average of 391 people per system, and accounts for 1.1% of the 48,130 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 Middleville (V) Water Works 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 Middleville (V) Water Works?
EPA lists Middleville (V) Water Works 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. 32 of the 123 active systems in Herkimer County (26%) are also owned by a local government.
Does Middleville (V) Water Works have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in October 2024. The violations listed here began between January 2022 and October 2024. By type: 11 monitoring and reporting and 1 reporting. The contaminants or rules involved are Lead and Copper Rule Revisions, Hexachlorobenzene, Dalapon and Heptachlor epoxide. 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 |
| 2022-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Hexachlorobenzenecode 2274 | No | Resolved |
| 2022-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Dalaponcode 2031 | No | Resolved |
| 2022-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Heptachlor epoxidecode 2067 | No | Resolved |
| 2022-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Oxamylcode 2036 | No | Resolved |
| 2022-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 2,4,5-TP (Silvex)code 2110 | No | Resolved |
| 2022-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Alachlor (Lasso)code 2051 | No | Resolved |
| 2022-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Carbofurancode 2046 | No | Resolved |
| 2022-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2022-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Atrazinecode 2050 | No | Resolved |
| 2022-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Endrincode 2005 | No | Resolved |
| 2022-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 2,4-Dcode 2105 | 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.
Middleville (V) Water Works: frequently asked questions
Who runs Middleville (V) Water Works?
Middleville (V) Water Works (PWSID NY2102309) is a community water system owned by a local government. It is regulated by the NY state drinking water program.
How many people does Middleville (V) Water Works serve?
Middleville (V) Water Works reports serving 550 people through 222 service connections in Herkimer County, New York.
Where does Middleville (V) Water Works 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 Middleville (V) Water Works 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 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 Middleville (V) Water Works' 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 October 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the NY state drinking water program.
Where can I find Middleville (V) Water Works' water quality report?
As a community water system, Middleville (V) Water Works 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 Herkimer County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Ilion (V) Water Works | Herkimer | 8,053 | Community | Surface water |
| Herkimer Village | Herkimer | 7,606 | Community | Surface water |
| Little Falls City | Herkimer | 4,605 | Community | Surface water |
| Frankfort (V) Water Works | Herkimer | 2,995 | Community | Groundwater |
| Mohawk (V) Water Works | Herkimer | 2,985 | Community | Groundwater |
| Nys Thruway - Indian Castle/Iroquois | Herkimer | 2,780 | 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, “Middleville (V) Water Works, PWSID NY2102309, New York”, https://aquacensus.com/water-systems/new-york/middleville-v-water-works-ny2102309 (data as of October 1, 2026).