Public water system · NY0417557
ActiveWest Valley Demonstration Project
At a glance
West Valley Demonstration Project (PWSID NY0417557) is an active non-transient non-community water system in Cattaraugus County, New York. It reports serving 300 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as owned by the federal government. EPA's records list 3 violations for this system; all are health-based, and the most recent began in February 2014.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
300
Service connections
1
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does West Valley Demonstration Project compare with other water systems in Cattaraugus County?
By EPA's size categories, West Valley Demonstration Project is a very small system (500 people or fewer). Cattaraugus County has 147 active public water systems. Its population served is about 33% below the county average of 450 people per system, and accounts for 0.5% 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 non-transient non-community water system reports serving 430 people, so West Valley Demonstration Project is about 30% below 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. 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 West Valley Demonstration Project?
EPA lists West Valley Demonstration Project as owned by the federal 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 147 active systems in Cattaraugus County (0.7%) are also owned by the federal government.
Does West Valley Demonstration Project have drinking water violations?
EPA's records list 3 violations for this system; all are health-based, and the most recent began in February 2014. The violations listed here began between January 2014 and February 2014. By type: 3 required treatment not met. The contaminant or rule involved most often is Interim Enhanced Surface Water Treatment Rule (3 of them). EPA lists 3 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 |
|---|---|---|---|---|
| 2014-02-01 | Required treatment not metMonthly Turbidity Exceed (Enhanced SWTR) · code 44 | Interim Enhanced Surface Water Treatment Rulecode 0300 | Yes | Resolved |
| 2014-01-01 | Required treatment not metSingle Turbidity Exceed (Enhanced SWTR) · code 43 | Interim Enhanced Surface Water Treatment Rulecode 0300 | Yes | Resolved |
| 2014-01-01 | Required treatment not metMonthly Turbidity Exceed (Enhanced SWTR) · code 44 | Interim Enhanced Surface Water Treatment Rulecode 0300 | Yes | Resolved |
All 3 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.
West Valley Demonstration Project: frequently asked questions
Who runs West Valley Demonstration Project?
West Valley Demonstration Project (PWSID NY0417557) is a non-transient non-community water system owned by the federal government. It is regulated by the NY state drinking water program.
How many people does West Valley Demonstration Project serve?
West Valley Demonstration Project reports serving 300 people through 1 service connection in Cattaraugus County, New York.
Where does West Valley Demonstration Project 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 West Valley Demonstration Project have any drinking water violations?
EPA's records list 3 violations for this system; all are health-based, and the most recent began in February 2014. 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 West Valley Demonstration Project'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 3 violations for this system; all are health-based, and the most recent began in February 2014. For current results, consult EPA ECHO, or the NY state drinking water program.
Where can I find West Valley Demonstration Project's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. West Valley Demonstration Project 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 Cattaraugus County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Olean City | Cattaraugus | 14,500 | Community | Surface water |
| 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 |
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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, “West Valley Demonstration Project, PWSID NY0417557, New York”, https://aquacensus.com/water-systems/new-york/west-valley-demonstration-project-ny0417557 (data as of October 1, 2026).