Public water system · ID7100148
ActiveWestwood Water Assn
At a glance
Westwood Water Assn (PWSID ID7100148) is an active community water system in Bonneville County, Idaho. It reports serving 41 people through 16 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 2 violations for this system; 1 is health-based, and the most recent began in October 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
41
Service connections
16
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Westwood Water Assn compare with other water systems in Bonneville County?
By EPA's size categories, Westwood Water Assn is a very small system (500 people or fewer). Bonneville County has 126 active public water systems. Its population served is well below the county average of 1,089 people per system, and accounts for less than 0.1% of the 137,194 people reported by systems filed under the county. Across Idaho, the 1,961 active systems average 899 people each. Nationally, the average active community water system reports serving 6,703 people, so Westwood Water Assn 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. Idaho has 765 active community water systems, 39% of the state's 1,961 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 1,861 Idaho systems (95%) list groundwater as their primary source.
Who owns and regulates Westwood Water Assn?
EPA lists Westwood Water Assn as owned by a local government. The ID state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 17 of the 126 active systems in Bonneville County (13%) are also owned by a local government.
Does Westwood Water Assn have drinking water violations?
EPA's records list 2 violations for this system; 1 is health-based, and the most recent began in October 2024. The violations listed here began between February 1992 and October 2024. By type: 1 monitoring and reporting and 1 contaminant level above the legal limit. The contaminants or rules involved are Lead and Copper Rule and Total coliform bacteria (TCR). EPA lists 1 as unaddressed and 1 as archived. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement. 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2024-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Unaddressed |
| 1992-02-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
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.
Westwood Water Assn: frequently asked questions
Who runs Westwood Water Assn?
Westwood Water Assn (PWSID ID7100148) is a community water system owned by a local government. It is regulated by the ID state drinking water program.
How many people does Westwood Water Assn serve?
Westwood Water Assn reports serving 41 people through 16 service connections in Bonneville County, Idaho.
Where does Westwood Water Assn 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 Westwood Water Assn have any drinking water violations?
EPA's records list 2 violations for this system; 1 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 Westwood Water Assn'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; 1 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 ID state drinking water program.
Where can I find Westwood Water Assn's water quality report?
As a community water system, Westwood Water Assn 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 Bonneville County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Idaho Falls City of | Bonneville | 69,450 | Community | Groundwater |
| Falls Water Company Inc. | Bonneville | 22,650 | Community | Groundwater |
| Ammon City of | Bonneville | 17,338 | Community | Groundwater |
| Iona Water Dept | Bonneville | 2,717 | Community | Groundwater |
| Comore Loma | Bonneville | 1,500 | Community | Groundwater |
| Melaleuca Warehouse Facility | Bonneville | 1,397 | Non-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, “Westwood Water Assn, PWSID ID7100148, Idaho”, https://aquacensus.com/water-systems/idaho/westwood-water-assn-id7100148 (data as of October 1, 2026).