Public water system · NY0400345
ActiveOlean City
At a glance
Olean City (PWSID NY0400345) is an active community water system in Cattaraugus County, New York. It reports serving 14,500 people through 6,300 service connections. Its primary water source is surface water, and EPA lists it as owned by a local government. EPA's records list 2 violations for this system; none is health-based, and the most recent began in October 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
14,500
Service connections
6,300
Primary source
SW
Surface water
System type
CWS
Community water system
System record
How does Olean City compare with other water systems in Cattaraugus County?
By EPA's size categories, Olean City is a large system (10,001 to 100,000 people). Cattaraugus County has 147 active public water systems, and Olean City is the largest of them by population served. Its population served is about 32 times the county average of 450 people per system, and accounts for 22% of the 66,097 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 Olean City is about twice 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. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 296 New York systems (3.6%) list surface water as their primary source.
Who owns and regulates Olean City?
EPA lists Olean City 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. 43 of the 147 active systems in Cattaraugus County (29%) are also owned by a local government.
Does Olean City have drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in October 2024. The violations listed here began between July 2009 and October 2024. By type: 1 reporting and 1 monitoring and reporting. The contaminants or rules involved are Lead and Copper Rule Revisions and Carbon, total. EPA lists 2 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 |
|---|---|---|---|---|
| 2024-10-17 | ReportingLSL Reporting · code 4G | Lead and Copper Rule Revisionscode 5200 | No | Resolved |
| 2009-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Carbon, totalcode 2920 | No | Resolved |
All 2 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.
Olean City: frequently asked questions
Who runs Olean City?
Olean City (PWSID NY0400345) is a community water system owned by a local government. It is regulated by the NY state drinking water program.
How many people does Olean City serve?
Olean City reports serving 14,500 people through 6,300 service connections in Cattaraugus County, New York.
Where does Olean City get its water?
EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.
Does Olean City have any drinking water violations?
EPA's records list 2 violations for this system; 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 Olean City'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 2 violations for this system; 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 Olean City's water quality report?
As a community water system, Olean City 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 Cattaraugus County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Salamanca City | Cattaraugus | 5,815 | Community | Groundwater |
| Asp - Red House Water Supply | Cattaraugus | 4,030 | Non-transient non-community | Groundwater |
| Asp - Barton & Weller Trail | Cattaraugus | 4,025 | Non-transient non-community | Groundwater |
| Gowanda Village | Cattaraugus | 2,800 | Community | Surface water |
| Allegany Village | Cattaraugus | 2,000 | Community | Groundwater |
| Allegany Mountain Resort | Cattaraugus | 1,950 | Transient non-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, “Olean City, PWSID NY0400345, New York”, https://aquacensus.com/water-systems/new-york/olean-city-ny0400345 (data as of October 1, 2026).