Public water system · ID1090090
ActiveNorthside Water Users Assn
At a glance
Northside Water Users Assn (PWSID ID1090090) is an active community water system in Bonner County, Idaho. It reports serving 413 people through 165 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. EPA's records list 10 violations for this system; none is health-based, and the most recent began in January 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
413
Service connections
165
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Northside Water Users Assn compare with other water systems in Bonner County?
By EPA's size categories, Northside Water Users Assn is a very small system (500 people or fewer). Bonner County has 140 active public water systems. Its population served is about 49% above the county average of 276 people per system, and accounts for 1.1% of the 38,696 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 Northside Water Users 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. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 15 Idaho systems (0.8%) list purchased surface water as their primary source.
Who owns and regulates Northside Water Users Assn?
EPA lists Northside Water Users 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. 24 of the 140 active systems in Bonner County (17%) are also owned by a local government.
Does Northside Water Users Assn have drinking water violations?
EPA's records list 10 violations for this system; none is health-based, and the most recent began in January 2024. The violations listed here began between September 2006 and January 2024. By type: 10 monitoring and reporting. The contaminant or rule involved most often is Haloacetic acids (HAA5) (2 of them). EPA lists 8 as archived and 2 as resolved. 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. 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 |
|---|---|---|---|---|
| 2024-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Archived |
| 2024-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Archived |
| 2020-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2019-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Archived |
| 2019-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Archived |
| 2016-01-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Archived |
| 2016-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Archived |
| 2015-10-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 2010-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2006-09-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
All 10 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.
Northside Water Users Assn: frequently asked questions
Who runs Northside Water Users Assn?
Northside Water Users Assn (PWSID ID1090090) is a community water system owned by a local government. It is regulated by the ID state drinking water program.
How many people does Northside Water Users Assn serve?
Northside Water Users Assn reports serving 413 people through 165 service connections in Bonner County, Idaho.
Where does Northside Water Users Assn get its water?
EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.
Does Northside Water Users Assn have any drinking water violations?
EPA's records list 10 violations for this system; none is health-based, and the most recent began in January 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 Northside Water Users 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 10 violations for this system; none is health-based, and the most recent began in January 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 Northside Water Users Assn's water quality report?
As a community water system, Northside Water Users 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 Bonner County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Sandpoint Public Works Dept | Bonner | 12,284 | Community | Surface water |
| Schweitzer Mountain Resort | Bonner | 3,301 | Non-transient non-community | Groundwater |
| Priest River City of | Bonner | 2,173 | Community | Surface water |
| Oden Water Assn Inc. | Bonner | 1,524 | Community | Surface water |
| Schweitzer Basin Water Company | Bonner | 955 | Community | Groundwater |
| Stoneridge Utilities | Bonner | 940 | 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, “Northside Water Users Assn, PWSID ID1090090, Idaho”, https://aquacensus.com/water-systems/idaho/northside-water-users-assn-id1090090 (data as of October 1, 2026).