Public water system · NY1019927
ActiveCoarc-Evergreen Hall
At a glance
Coarc-Evergreen Hall (PWSID NY1019927) is an active non-transient non-community water system in Columbia County, New York. It reports serving 125 people through 2 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 2014.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
125
Service connections
2
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Coarc-Evergreen Hall compare with other water systems in Columbia County?
By EPA's size categories, Coarc-Evergreen Hall is a very small system (500 people or fewer). Columbia County has 205 active public water systems. Its population served is well below the county average of 529 people per system, and accounts for 0.1% of the 108,444 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 non-transient non-community water system reports serving 430 people, so Coarc-Evergreen Hall is well below that figure.
What does “non-transient non-community water system” mean?
A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. New York has 704 active non-transient non-community water systems, 8.6% 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 Coarc-Evergreen Hall?
EPA lists Coarc-Evergreen Hall 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. 177 of the 205 active systems in Columbia County (86%) are also privately owned.
Does Coarc-Evergreen Hall 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 2014. The violations listed here began between February 2006 and July 2014. By type: 7 monitoring and reporting and 5 public notice, recordkeeping or other. 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 |
|---|---|---|---|---|
| 2014-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2014-01-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2012-10-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2012-07-01 | 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 |
| 2009-10-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2009-07-01 | Public notice, recordkeeping or otherOperations Report · code 10 | Not reported | No | Resolved |
| 2007-09-01 | Public notice, recordkeeping or otherOperations Report · code 10 | Not reported | No | Resolved |
| 2007-05-01 | Public notice, recordkeeping or otherOperations Report · code 10 | Not reported | No | Resolved |
| 2007-01-01 | Public notice, recordkeeping or otherOperations Report · code 10 | Not reported | No | Resolved |
| 2007-01-01 | Monitoring and reportingMonitoring, Check/Repeat/Confirmation · code 04 | Nitratecode 1040 | No | Resolved |
| 2006-02-01 | 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.
Coarc-Evergreen Hall: frequently asked questions
Who runs Coarc-Evergreen Hall?
Coarc-Evergreen Hall (PWSID NY1019927) is a non-transient non-community water system privately owned. It is regulated by the NY state drinking water program.
How many people does Coarc-Evergreen Hall serve?
Coarc-Evergreen Hall reports serving 125 people through 2 service connections in Columbia County, New York.
Where does Coarc-Evergreen Hall 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 Coarc-Evergreen Hall 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 2014. 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 Coarc-Evergreen Hall'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 July 2014. For current results, consult EPA ECHO, or the NY state drinking water program.
Where can I find Coarc-Evergreen Hall's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Coarc-Evergreen Hall is a non-transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.
Other water systems in Columbia County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Chatham Fair Water Distribution | Columbia | 53,700 | Transient non-community | Purchased groundwater |
| Martin Van Buren Historical House | Columbia | 10,000 | Transient non-community | Groundwater |
| Hudson City | Columbia | 6,750 | Community | Surface water |
| Greenport Wd No1 | Columbia | 4,050 | Community | Groundwater |
| Taconic Hills School | Columbia | 2,500 | Non-transient non-community | Groundwater |
| Lake Taghkanic State Park | Columbia | 2,500 | Transient non-community | Surface water |
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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, “Coarc-Evergreen Hall, PWSID NY1019927, New York”, https://aquacensus.com/water-systems/new-york/coarc-evergreen-hall-ny1019927 (data as of October 1, 2026).