Public water system · ID1090131
ActiveSouthside Water and Sewer Dist
At a glance
Southside Water and Sewer Dist (PWSID ID1090131) is an active community water system in Bonner County, Idaho. It reports serving 615 people through 246 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in October 2020.
This page covers its drinking water system only; sewer and wastewater service are not part of EPA's drinking water records.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
615
Service connections
246
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Southside Water and Sewer Dist compare with other water systems in Bonner County?
By EPA's size categories, Southside Water and Sewer Dist is a small system (501 to 3,300 people). Bonner County has 140 active public water systems. Its population served is about 123% above the county average of 276 people per system, and accounts for 1.6% 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 Southside Water and Sewer Dist 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 Southside Water and Sewer Dist?
EPA lists Southside Water and Sewer Dist 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 Southside Water and Sewer Dist have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in October 2020. The violations listed here began between June 1993 and October 2020. By type: 12 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (4 of them). EPA lists 7 as archived and 5 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 |
|---|---|---|---|---|
| 2020-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Archived |
| 2020-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Archived |
| 2018-08-21 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Resolved |
| 2016-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2006-08-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 2006-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Archived |
| 2005-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2005-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 1996-12-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1996-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 1995-12-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1993-06-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
The 12 most recent 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.
Southside Water and Sewer Dist: frequently asked questions
Who runs Southside Water and Sewer Dist?
Southside Water and Sewer Dist (PWSID ID1090131) is a community water system owned by a local government. It is regulated by the ID state drinking water program.
How many people does Southside Water and Sewer Dist serve?
Southside Water and Sewer Dist reports serving 615 people through 246 service connections in Bonner County, Idaho.
Where does Southside Water and Sewer Dist 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 Southside Water and Sewer Dist have any drinking water violations?
Of the 12 most recent violations in EPA's records, 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 Southside Water and Sewer Dist'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. Of the 12 most recent violations in EPA's records, 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 ID state drinking water program.
Where can I find Southside Water and Sewer Dist's water quality report?
As a community water system, Southside Water and Sewer Dist 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, “Southside Water and Sewer Dist, PWSID ID1090131, Idaho”, https://aquacensus.com/water-systems/idaho/southside-water-and-sewer-dist-id1090131 (data as of October 1, 2026).