Public water system · ID7330022
ActiveRexburg City of
At a glance
City of Rexburg (PWSID ID7330022) is an active community water system in Madison County, Idaho. It reports serving 40,695 people through 4,525 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 January 2023.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
40,695
Service connections
4,525
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does City of Rexburg compare with other water systems in Madison County?
By EPA's size categories, City of Rexburg is a large system (10,001 to 100,000 people). Madison County has 32 active public water systems, and City of Rexburg is the largest of them by population served. Its population served is about 26 times the county average of 1,570 people per system, and accounts for 81% of the 50,246 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 City of Rexburg is about 6.1 times 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 City of Rexburg?
EPA lists City of Rexburg 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. 4 of the 32 active systems in Madison County (13%) are also owned by a local government.
Does City of Rexburg have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2023. The violations listed here began between January 2023 and January 2023. By type: 12 monitoring and reporting. The contaminant or rule involved most often is Carbofuran (2 of them). EPA lists 12 as archived. 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 |
|---|---|---|---|---|
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 2,4-Dcode 2105 | No | Archived |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Ethylene dibromide (EDB)code 2946 | No | Archived |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Toxaphenecode 2020 | No | Archived |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Chlordanecode 2959 | No | Archived |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Lindane (gamma-BHC)code 2010 | No | Archived |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Carbofurancode 2046 | No | Archived |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Glyphosatecode 2034 | No | Archived |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Picloramcode 2040 | No | Archived |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Endrincode 2005 | No | Archived |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Carbofurancode 2046 | No | Archived |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Heptachlorcode 2065 | No | Archived |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Dalaponcode 2031 | 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.
City of Rexburg: frequently asked questions
Who runs City of Rexburg?
City of Rexburg (PWSID ID7330022) is a community water system owned by a local government. It is regulated by the ID state drinking water program.
How many people does City of Rexburg serve?
City of Rexburg reports serving 40,695 people through 4,525 service connections in Madison County, Idaho.
Where does City of Rexburg 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 City of Rexburg 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 January 2023. 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 City of Rexburg'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 January 2023. For current results, consult the system's annual water quality report, EPA ECHO, or the ID state drinking water program.
Where can I find City of Rexburg's water quality report?
As a community water system, City of Rexburg 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 Madison County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Sugar City City of | Madison | 2,395 | Community | Groundwater |
| Henrys Fork LDS Church | Madison | 747 | Transient non-community | Groundwater |
| LDS South Rexburg Stake Center | Madison | 737 | Transient non-community | Groundwater |
| LDS Church Salem | Madison | 581 | Transient non-community | Groundwater |
| Yellowstone Bear World | Madison | 500 | Transient non-community | Groundwater |
| LDS Church Plano | Madison | 479 | 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, “Rexburg City of, PWSID ID7330022, Idaho”, https://aquacensus.com/water-systems/idaho/rexburg-city-of-id7330022 (data as of October 1, 2026).