Public water system · NY0430052
ActiveGreat Valley Town W.D. #4 (Highland Ave.
At a glance
Great Valley Town W.D. #4 (Highland Ave. (PWSID NY0430052) is an active community water system in Cattaraugus County, New York. It reports serving 105 people through 11 service connections. Its primary water source is purchased 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 October 2020.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
105
Service connections
11
Primary source
GWP
Purchased groundwater
System type
CWS
Community water system
System record
How does Great Valley Town W.D. #4 (Highland Ave. compare with other water systems in Cattaraugus County?
By EPA's size categories, Great Valley Town W.D. #4 (Highland Ave. is a very small system (500 people or fewer). Cattaraugus County has 147 active public water systems. Its population served is well below the county average of 450 people per system, and accounts for 0.2% 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 Great Valley Town W.D. #4 (Highland Ave. is well below 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. 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 Great Valley Town W.D. #4 (Highland Ave.?
EPA lists Great Valley Town W.D. #4 (Highland Ave. 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 Great Valley Town W.D. #4 (Highland Ave. have drinking water violations?
EPA's records list 4 violations for this system; none is health-based, and the most recent began in October 2020. The violations listed here began between January 2009 and October 2020. By type: 2 monitoring and reporting, 1 monitoring and 1 public notice, recordkeeping or other. The contaminants or rules involved are Revised Total Coliform Rule, Haloacetic acids (HAA5) and Total trihalomethanes (TTHM). 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 |
|---|---|---|---|---|
| 2020-10-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | 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 |
| 2009-01-01 | 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.
Great Valley Town W.D. #4 (Highland Ave.: frequently asked questions
Who runs Great Valley Town W.D. #4 (Highland Ave.?
Great Valley Town W.D. #4 (Highland Ave. (PWSID NY0430052) is a community water system owned by a local government. It is regulated by the NY state drinking water program.
How many people does Great Valley Town W.D. #4 (Highland Ave. serve?
Great Valley Town W.D. #4 (Highland Ave. reports serving 105 people through 11 service connections in Cattaraugus County, New York.
Where does Great Valley Town W.D. #4 (Highland Ave. 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 Great Valley Town W.D. #4 (Highland Ave. have any drinking water violations?
EPA's records list 4 violations for this system; none is health-based, and the most recent began in October 2020. 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 Great Valley Town W.D. #4 (Highland Ave.'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 October 2020. For current results, consult the system's annual water quality report, EPA ECHO, or the NY state drinking water program.
Where can I find Great Valley Town W.D. #4 (Highland Ave.'s water quality report?
As a community water system, Great Valley Town W.D. #4 (Highland Ave. 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 |
|---|---|---|---|---|
| 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, “Great Valley Town W.D. #4 (Highland Ave., PWSID NY0430052, New York”, https://aquacensus.com/water-systems/new-york/great-valley-town-w-d-4-highland-ave-ny0430052 (data as of October 1, 2026).