Public water system · IA8104076
ActiveAuburn Water Supply
At a glance
Auburn Water Supply (PWSID IA8104076) is an active community water system in Sac County, Iowa. It reports serving 265 people through 191 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 7 violations for this system; 1 is health-based, and the most recent began in November 2011.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
265
Service connections
191
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Auburn Water Supply compare with other water systems in Sac County?
By EPA's size categories, Auburn Water Supply is a very small system (500 people or fewer). Sac County has 9 active public water systems. Its population served is well below the county average of 944 people per system, and accounts for 3.1% of the 8,496 people reported by systems filed under the county. Across Iowa, the 1,828 active systems average 1,718 people each. Nationally, the average active community water system reports serving 6,703 people, so Auburn Water Supply 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. Iowa has 1,084 active community water systems, 59% of the state's 1,828 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 1,502 Iowa systems (82%) list groundwater as their primary source.
Who owns and regulates Auburn Water Supply?
EPA lists Auburn Water Supply as owned by a local government. The IA state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 8 of the 9 active systems in Sac County (89%) are also owned by a local government.
Does Auburn Water Supply have drinking water violations?
EPA's records list 7 violations for this system; 1 is health-based, and the most recent began in November 2011. The violations listed here began between July 1995 and November 2011. By type: 6 monitoring and reporting and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (3 of them). EPA lists 7 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 |
|---|---|---|---|---|
| 2011-11-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2011-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2009-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2002-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2001-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Arseniccode 1005 | No | Resolved |
| 1997-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 1995-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
All 7 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.
Auburn Water Supply: frequently asked questions
Who runs Auburn Water Supply?
Auburn Water Supply (PWSID IA8104076) is a community water system owned by a local government. It is regulated by the IA state drinking water program.
How many people does Auburn Water Supply serve?
Auburn Water Supply reports serving 265 people through 191 service connections in Sac County, Iowa.
Where does Auburn Water Supply 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 Auburn Water Supply have any drinking water violations?
EPA's records list 7 violations for this system; 1 is health-based, and the most recent began in November 2011. 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 Auburn Water Supply'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 7 violations for this system; 1 is health-based, and the most recent began in November 2011. For current results, consult the system's annual water quality report, EPA ECHO, or the IA state drinking water program.
Where can I find Auburn Water Supply's water quality report?
As a community water system, Auburn Water Supply 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 Sac County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Sac City Municipal Water Plant | Sac | 2,093 | Community | Groundwater |
| West Central Rwa-Boyer System | Sac | 1,715 | Community | Groundwater |
| Lake View Water Supply | Sac | 1,133 | Community | Groundwater |
| Odebolt Water Supply | Sac | 994 | Community | Groundwater |
| Wall Lake Water Supply | Sac | 780 | Community | Groundwater |
| Schaller Water Supply | Sac | 729 | 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, “Auburn Water Supply, PWSID IA8104076, Iowa”, https://aquacensus.com/water-systems/iowa/auburn-water-supply-ia8104076 (data as of October 1, 2026).