Public water system · NY2110537
ActiveCrestwood Estates
At a glance
Crestwood Estates (PWSID NY2110537) is an active community water system in Herkimer County, New York. It reports serving 100 people through 46 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 July 2023.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
100
Service connections
46
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Crestwood Estates compare with other water systems in Herkimer County?
By EPA's size categories, Crestwood Estates is a very small system (500 people or fewer). Herkimer County has 123 active public water systems. Its population served is well below the county average of 391 people per system, and accounts for 0.2% 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 Crestwood Estates 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 Crestwood Estates?
EPA lists Crestwood Estates as privately owned. 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. 86 of the 123 active systems in Herkimer County (70%) are also privately owned.
Does Crestwood Estates have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2023. The violations listed here began between January 2022 and July 2023. By type: 11 monitoring and reporting and 1 monitoring. The contaminants or rules involved are Revised Total Coliform Rule, Thallium, Cyanide and Antimony. 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 |
|---|---|---|---|---|
| 2023-07-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2022-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Thalliumcode 1085 | No | Resolved |
| 2022-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Cyanidecode 1024 | No | Resolved |
| 2022-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Antimonycode 1074 | No | Resolved |
| 2022-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Fluoridecode 1025 | No | Resolved |
| 2022-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Seleniumcode 1045 | No | Resolved |
| 2022-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Berylliumcode 1075 | No | Resolved |
| 2022-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Mercurycode 1035 | No | Resolved |
| 2022-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Arseniccode 1005 | No | Resolved |
| 2022-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Bariumcode 1010 | No | Resolved |
| 2022-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Cadmiumcode 1015 | No | Resolved |
| 2022-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nickelcode 1036 | 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.
Crestwood Estates: frequently asked questions
Who runs Crestwood Estates?
Crestwood Estates (PWSID NY2110537) is a community water system privately owned. It is regulated by the NY state drinking water program.
How many people does Crestwood Estates serve?
Crestwood Estates reports serving 100 people through 46 service connections in Herkimer County, New York.
Where does Crestwood Estates 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 Crestwood Estates 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 July 2023. 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 Crestwood Estates' 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 July 2023. For current results, consult the system's annual water quality report, EPA ECHO, or the NY state drinking water program.
Where can I find Crestwood Estates' water quality report?
As a community water system, Crestwood Estates 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, “Crestwood Estates, PWSID NY2110537, New York”, https://aquacensus.com/water-systems/new-york/crestwood-estates-ny2110537 (data as of October 1, 2026).