Public water system · NY1017531
ActiveOlana State Historic Site
At a glance
Olana State Historic Site (PWSID NY1017531) is an active transient non-community water system in Columbia County, New York. It reports serving 200 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as owned by a state government. EPA's records list 7 violations for this system; none is health-based, and the most recent began in January 2023.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
200
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Olana State Historic Site compare with other water systems in Columbia County?
By EPA's size categories, Olana State Historic Site is a very small system (500 people or fewer). Columbia County has 205 active public water systems. Its population served is about 62% below the county average of 529 people per system, and accounts for 0.2% 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 transient non-community water system reports serving 144 people, so Olana State Historic Site is about 39% above that figure.
What does “transient non-community water system” mean?
A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. New York has 5,182 active transient non-community water systems, 63% 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 Olana State Historic Site?
EPA lists Olana State Historic Site as owned by a state 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. 5 of the 205 active systems in Columbia County (2.4%) are also owned by a state government.
Does Olana State Historic Site have drinking water violations?
EPA's records list 7 violations for this system; none is health-based, and the most recent began in January 2023. The violations listed here began between April 1993 and January 2023. By type: 3 monitoring and reporting, 3 public notice, recordkeeping or other and 1 monitoring. The contaminant or rule involved most often is Total coliform bacteria (TCR) (2 of them). EPA lists 5 as resolved and 2 as archived. 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. 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 |
|---|---|---|---|---|
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2021-08-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2010-05-01 | Public notice, recordkeeping or otherOperations Report · code 10 | Not reported | No | Resolved |
| 2006-06-01 | Public notice, recordkeeping or otherOperations Report · code 10 | Not reported | No | Resolved |
| 2006-05-01 | Public notice, recordkeeping or otherOperations Report · code 10 | Not reported | No | Resolved |
| 1993-04-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1993-04-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
All 7 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.
Olana State Historic Site: frequently asked questions
Who runs Olana State Historic Site?
Olana State Historic Site (PWSID NY1017531) is a transient non-community water system owned by a state government. It is regulated by the NY state drinking water program.
How many people does Olana State Historic Site serve?
Olana State Historic Site reports serving 200 people through 1 service connection in Columbia County, New York.
Where does Olana State Historic Site 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 Olana State Historic Site have any drinking water violations?
EPA's records list 7 violations for this system; none is health-based, and the most recent began in January 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 Olana State Historic Site'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 7 violations for this system; none is health-based, and the most recent began in January 2023. For current results, consult EPA ECHO, or the NY state drinking water program.
Where can I find Olana State Historic Site's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Olana State Historic Site is a 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, “Olana State Historic Site, PWSID NY1017531, New York”, https://aquacensus.com/water-systems/new-york/olana-state-historic-site-ny1017531 (data as of October 1, 2026).