Public water system · NY4600069
ActiveRotterdam Wd #5
At a glance
Rotterdam Wd #5 (PWSID NY4600069) is an active community water system in Schenectady County, New York. It reports serving 28,000 people through 11,000 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 4 violations for this system; none is health-based, and the most recent began in July 2008.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
28,000
Service connections
11,000
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Rotterdam Wd #5 compare with other water systems in Schenectady County?
By EPA's size categories, Rotterdam Wd #5 is a large system (10,001 to 100,000 people). Schenectady County has 35 active public water systems, and Rotterdam Wd #5 is the 2nd-largest of them by population served. Its population served is about 6.7 times the county average of 4,180 people per system, and accounts for 19% 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 Rotterdam Wd #5 is about 4.2 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 Rotterdam Wd #5?
EPA lists Rotterdam Wd #5 as owned by a local 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. 9 of the 35 active systems in Schenectady County (26%) are also owned by a local government.
Does Rotterdam Wd #5 have drinking water violations?
EPA's records list 4 violations for this system; none is health-based, and the most recent began in July 2008. The violations listed here began between October 1993 and July 2008. By type: 4 public notice, recordkeeping or other. The contaminant or rule involved is Consumer Confidence Rule. EPA lists 4 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 |
|---|---|---|---|---|
| 2008-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2007-07-01 | Public notice, recordkeeping or otherOperations Report · code 10 | Not reported | No | Resolved |
| 1994-01-01 | Public notice, recordkeeping or otherOperations Report · code 10 | Not reported | No | Resolved |
| 1993-10-01 | Public notice, recordkeeping or otherOperations Report · code 10 | Not reported | No | Resolved |
All 4 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.
Rotterdam Wd #5: frequently asked questions
Who runs Rotterdam Wd #5?
Rotterdam Wd #5 (PWSID NY4600069) is a community water system owned by a local government. It is regulated by the NY state drinking water program.
How many people does Rotterdam Wd #5 serve?
Rotterdam Wd #5 reports serving 28,000 people through 11,000 service connections in Schenectady County, New York.
Where does Rotterdam Wd #5 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 Rotterdam Wd #5 have any drinking water violations?
EPA's records list 4 violations for this system; none is health-based, and the most recent began in July 2008. 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 Rotterdam Wd #5'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 4 violations for this system; none is health-based, and the most recent began in July 2008. For current results, consult the system's annual water quality report, EPA ECHO, or the NY state drinking water program.
Where can I find Rotterdam Wd #5's water quality report?
As a community water system, Rotterdam Wd #5 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 |
| Niskayuna Consolidated Wd #11 | Schenectady | 22,287 | 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 |
Related pages
Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
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, “Rotterdam Wd #5, PWSID NY4600069, New York”, https://aquacensus.com/water-systems/new-york/rotterdam-wd-5-ny4600069 (data as of October 1, 2026).