Public water system · NY3921720
ActiveGreen Chimneys: Main Well
At a glance
Green Chimneys: Main Well (PWSID NY3921720) is an active community water system in Putnam County, New York. It reports serving 500 people through 27 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 8 violations for this system; none is health-based, and the most recent began in July 1999.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
500
Service connections
27
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Green Chimneys: Main Well compare with other water systems in Putnam County?
By EPA's size categories, Green Chimneys: Main Well is a very small system (500 people or fewer). Putnam County has 382 active public water systems. Its population served is about 3.3 times the county average of 150 people per system, and accounts for 0.9% of the 57,156 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 Green Chimneys: Main Well 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 Green Chimneys: Main Well?
EPA lists Green Chimneys: Main Well 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. 342 of the 382 active systems in Putnam County (90%) are also privately owned.
Does Green Chimneys: Main Well have drinking water violations?
EPA's records list 8 violations for this system; none is health-based, and the most recent began in July 1999. The violations listed here began between January 1994 and July 1999. By type: 8 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (6 of them). EPA lists 8 as archived. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 1999-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1999-04-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1999-03-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1999-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Archived |
| 1999-01-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1996-10-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1996-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Archived |
| 1994-01-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
All 8 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.
Green Chimneys: Main Well: frequently asked questions
Who runs Green Chimneys: Main Well?
Green Chimneys: Main Well (PWSID NY3921720) is a community water system privately owned. It is regulated by the NY state drinking water program.
How many people does Green Chimneys: Main Well serve?
Green Chimneys: Main Well reports serving 500 people through 27 service connections in Putnam County, New York.
Where does Green Chimneys: Main Well 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 Green Chimneys: Main Well have any drinking water violations?
EPA's records list 8 violations for this system; none is health-based, and the most recent began in July 1999. 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 Green Chimneys: Main Well'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 8 violations for this system; none is health-based, and the most recent began in July 1999. For current results, consult the system's annual water quality report, EPA ECHO, or the NY state drinking water program.
Where can I find Green Chimneys: Main Well's water quality report?
As a community water system, Green Chimneys: Main Well 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 Putnam County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Carmel Wd 2 | Putnam | 5,000 | Community | Surface water |
| Mahopac School Complex (Falls, Mms, Mhs) | Putnam | 3,200 | Non-transient non-community | Groundwater |
| Cold Spring Village | Putnam | 2,666 | Community | Surface water |
| Brewster Village | Putnam | 2,162 | Community | Groundwater |
| Continental Village Wd | Putnam | 1,509 | Community | Purchased surface water |
| Mount Ebo Ws | Putnam | 1,500 | 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, “Green Chimneys: Main Well, PWSID NY3921720, New York”, https://aquacensus.com/water-systems/new-york/green-chimneys-main-well-ny3921720 (data as of October 1, 2026).