Public water system · NY2130062
ActiveIlion Perimeter Water District
At a glance
Ilion Perimeter Water District (PWSID NY2130062) is an active community water system in Herkimer County, New York. It reports serving 354 people through 125 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. EPA's records list one violation for this system; it is not health-based, and the most recent began in October 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
354
Service connections
125
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Ilion Perimeter Water District compare with other water systems in Herkimer County?
By EPA's size categories, Ilion Perimeter Water District is a very small system (500 people or fewer). Herkimer County has 123 active public water systems. Its population served is roughly in line with the county average of 391 people per system, and accounts for 0.7% 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 Ilion Perimeter 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. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 399 New York systems (4.9%) list purchased surface water as their primary source.
Who owns and regulates Ilion Perimeter Water District?
EPA lists Ilion Perimeter 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. 32 of the 123 active systems in Herkimer County (26%) are also owned by a local government.
Does Ilion Perimeter Water District have drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in October 2024. By type: 1 reporting. The contaminant or rule involved is Lead and Copper Rule Revisions. EPA lists 1 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 |
The one violation in EPA's records.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.
Ilion Perimeter Water District: frequently asked questions
Who runs Ilion Perimeter Water District?
Ilion Perimeter Water District (PWSID NY2130062) is a community water system owned by a local government. It is regulated by the NY state drinking water program.
How many people does Ilion Perimeter Water District serve?
Ilion Perimeter Water District reports serving 354 people through 125 service connections in Herkimer County, New York.
Where does Ilion Perimeter Water District get its water?
EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.
Does Ilion Perimeter Water District have any drinking water violations?
EPA's records list one violation for this system; it is not 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 Ilion Perimeter 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. EPA's records list one violation for this system; it is not 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 Ilion Perimeter Water District's water quality report?
As a community water system, Ilion Perimeter 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 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, “Ilion Perimeter Water District, PWSID NY2130062, New York”, https://aquacensus.com/water-systems/new-york/ilion-perimeter-water-district-ny2130062 (data as of October 1, 2026).