Public water system · NY4600073
ActiveNiskayuna Consolidated Wd #11
At a glance
Niskayuna Consolidated Wd #11 (PWSID NY4600073) is an active community water system in Schenectady County, New York. It reports serving 22,287 people through 8,100 service connections. Its primary water source is groundwater, and EPA lists it as under public/private ownership. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in October 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
22,287
Service connections
8,100
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Niskayuna Consolidated Wd #11 compare with other water systems in Schenectady County?
By EPA's size categories, Niskayuna Consolidated Wd #11 is a large system (10,001 to 100,000 people). Schenectady County has 35 active public water systems, and Niskayuna Consolidated Wd #11 is the 3rd-largest of them by population served. Its population served is about 5.3 times the county average of 4,180 people per system, and accounts for 15% of the 146,284 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 Niskayuna Consolidated Wd #11 is about 3.3 times 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 Niskayuna Consolidated Wd #11?
EPA lists Niskayuna Consolidated Wd #11 as under public/private ownership. 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 35 active systems in Schenectady County (2.9%) are also under public/private ownership.
Does Niskayuna Consolidated Wd #11 have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in October 2024. The violations listed here began between January 2019 and October 2024. By type: 11 monitoring and reporting and 1 reporting. The contaminant or rule involved most often is Haloacetic acids (HAA5) (2 of them). EPA lists 11 as archived and 1 as resolved. 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. 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 |
|---|---|---|---|---|
| 2024-10-17 | ReportingLSL Reporting · code 4G | Lead and Copper Rule Revisionscode 5200 | No | Resolved |
| 2021-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Archived |
| 2021-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Archived |
| 2021-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Archived |
| 2021-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Archived |
| 2019-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,1,1-Trichloroethanecode 2981 | No | Archived |
| 2019-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | p-Dichlorobenzenecode 2969 | No | Archived |
| 2019-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | trans-1,2-Dichloroethylenecode 2979 | No | Archived |
| 2019-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Styrenecode 2996 | No | Archived |
| 2019-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2,4-Trichlorobenzenecode 2378 | No | Archived |
| 2019-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Toluenecode 2991 | No | Archived |
| 2019-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Carbon tetrachloridecode 2982 | No | Archived |
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.
Niskayuna Consolidated Wd #11: frequently asked questions
Who runs Niskayuna Consolidated Wd #11?
Niskayuna Consolidated Wd #11 (PWSID NY4600073) is a community water system under public/private ownership. It is regulated by the NY state drinking water program.
How many people does Niskayuna Consolidated Wd #11 serve?
Niskayuna Consolidated Wd #11 reports serving 22,287 people through 8,100 service connections in Schenectady County, New York.
Where does Niskayuna Consolidated Wd #11 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 Niskayuna Consolidated Wd #11 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 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 Niskayuna Consolidated Wd #11'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 October 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the NY state drinking water program.
Where can I find Niskayuna Consolidated Wd #11's water quality report?
As a community water system, Niskayuna Consolidated Wd #11 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 Schenectady County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Schenectady City Water Works | Schenectady | 61,821 | Community | Groundwater |
| Rotterdam Wd #5 | Schenectady | 28,000 | Community | Groundwater |
| Glenville Wd #11 | Schenectady | 15,000 | Community | Groundwater |
| Scotia Village Water Works | Schenectady | 12,800 | Community | Groundwater |
| Rotterdam Wd #3 | Schenectady | 1,900 | Community | Groundwater |
| Princetown Water Supply | Schenectady | 900 | 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, “Niskayuna Consolidated Wd #11, PWSID NY4600073, New York”, https://aquacensus.com/water-systems/new-york/niskayuna-consolidated-wd-11-ny4600073 (data as of October 1, 2026).