Public water system · NY2811845
ActiveNys Thruway-Pattersonville Service Area
At a glance
Nys Thruway-Pattersonville Service Area (PWSID NY2811845) is an active non-transient non-community water system in Montgomery County, New York. It reports serving 2,221 people through 1 service connection. Its primary water source is purchased groundwater, and EPA lists it as owned by a state government. EPA's records list 9 violations for this system; 1 is health-based, and the most recent began in October 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
2,221
Service connections
1
Primary source
GWP
Purchased groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Nys Thruway-Pattersonville Service Area compare with other water systems in Montgomery County?
By EPA's size categories, Nys Thruway-Pattersonville Service Area is a small system (501 to 3,300 people). Montgomery County has 53 active public water systems, and Nys Thruway-Pattersonville Service Area is the 5th-largest of them by population served. Its population served is about 3 times the county average of 734 people per system, and accounts for 5.7% of the 38,877 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 Nys Thruway-Pattersonville Service Area is about 5.2 times 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. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own. 114 New York systems (1.4%) list purchased groundwater as their primary source.
Who owns and regulates Nys Thruway-Pattersonville Service Area?
EPA lists Nys Thruway-Pattersonville Service Area 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. 1 of the 53 active systems in Montgomery County (1.9%) are also owned by a state government.
Does Nys Thruway-Pattersonville Service Area have drinking water violations?
EPA's records list 9 violations for this system; 1 is health-based, and the most recent began in October 2024. The violations listed here began between August 1995 and October 2024. By type: 6 monitoring and reporting, 1 reporting, 1 required treatment not met and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Haloacetic acids (HAA5) (2 of them). EPA lists 8 as resolved and 1 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 |
|---|---|---|---|---|
| 2024-10-17 | ReportingLSL Reporting · code 4G | Lead and Copper Rule Revisionscode 5200 | No | Resolved |
| 2015-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2015-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2014-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2014-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2011-03-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2011-01-06 | Required treatment not metTreatment Technique No Certif. Operator · code 12 | Stage 1 Disinfectants and Disinfection Byproducts Rulecode 0400 | Yes | Resolved |
| 1997-07-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1995-08-01 | Public notice, recordkeeping or otherOperations Report · code 10 | Not reported | No | Resolved |
All 9 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.
Nys Thruway-Pattersonville Service Area: frequently asked questions
Who runs Nys Thruway-Pattersonville Service Area?
Nys Thruway-Pattersonville Service Area (PWSID NY2811845) is a non-transient non-community water system owned by a state government. It is regulated by the NY state drinking water program.
How many people does Nys Thruway-Pattersonville Service Area serve?
Nys Thruway-Pattersonville Service Area reports serving 2,221 people through 1 service connection in Montgomery County, New York.
Where does Nys Thruway-Pattersonville Service Area get its water?
EPA SDWIS lists this system's primary water source as purchased groundwater. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own.
Does Nys Thruway-Pattersonville Service Area have any drinking water violations?
EPA's records list 9 violations for this system; 1 is 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 Nys Thruway-Pattersonville Service Area'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 9 violations for this system; 1 is health-based, and the most recent began in October 2024. For current results, consult EPA ECHO, or the NY state drinking water program.
Where can I find Nys Thruway-Pattersonville Service Area's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Nys Thruway-Pattersonville Service Area 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 Montgomery County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Amsterdam (C) | Montgomery | 20,700 | Community | Surface water |
| Amsterdam (T) | Montgomery | 3,000 | Community | Purchased surface water |
| Canajoharie (V) Water Works | Montgomery | 2,300 | Community | Surface water |
| Fort Plain (V) Water Works | Montgomery | 2,250 | Community | Surface water |
| St. Johnsville Village Water Works | Montgomery | 1,700 | Community | Surface water |
| Fonda (V) Water Works | Montgomery | 1,080 | 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, “Nys Thruway-Pattersonville Service Area, PWSID NY2811845, New York”, https://aquacensus.com/water-systems/new-york/nys-thruway-pattersonville-service-area-ny2811845 (data as of October 1, 2026).