Public water system · IA8486053
ActiveSioux Center Municipal Water Department
At a glance
Sioux Center Municipal Water Department (PWSID IA8486053) is an active community water system in Sioux County, Iowa. It reports serving 8,231 people through 2,832 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 3 violations for this system; none is health-based, and the most recent began in May 2023.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
8,231
Service connections
2,832
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Sioux Center Municipal Water Department compare with other water systems in Sioux County?
By EPA's size categories, Sioux Center Municipal Water Department is a medium system (3,301 to 10,000 people). Sioux County has 16 active public water systems, and Sioux Center Municipal Water Department is the largest of them by population served. Its population served is about 3.4 times the county average of 2,416 people per system, and accounts for 21% of the 38,650 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 Sioux Center Municipal Water Department is about 23% above 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 Sioux Center Municipal Water Department?
EPA lists Sioux Center Municipal Water Department 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. 13 of the 16 active systems in Sioux County (81%) are also owned by a local government.
Does Sioux Center Municipal Water Department have drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in May 2023. The violations listed here began between December 1994 and May 2023. By type: 3 monitoring and reporting. The contaminant or rule involved most often is Nitrate (2 of them). EPA lists 3 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 |
|---|---|---|---|---|
| 2023-05-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 1997-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 1994-12-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
All 3 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.
Sioux Center Municipal Water Department: frequently asked questions
Who runs Sioux Center Municipal Water Department?
Sioux Center Municipal Water Department (PWSID IA8486053) is a community water system owned by a local government. It is regulated by the IA state drinking water program.
How many people does Sioux Center Municipal Water Department serve?
Sioux Center Municipal Water Department reports serving 8,231 people through 2,832 service connections in Sioux County, Iowa.
Where does Sioux Center Municipal Water Department 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 Sioux Center Municipal Water Department have any drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in May 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 Sioux Center Municipal Water Department'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 3 violations for this system; none is health-based, and the most recent began in May 2023. For current results, consult the system's annual water quality report, EPA ECHO, or the IA state drinking water program.
Where can I find Sioux Center Municipal Water Department's water quality report?
As a community water system, Sioux Center Municipal Water Department 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 Sioux County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Orange City Municipal Water Department | Sioux | 6,267 | Community | Groundwater |
| Southern Sioux County Rural Water | Sioux | 5,420 | Community | Groundwater |
| Rock Valley Water Supply | Sioux | 4,059 | Community | Groundwater |
| Rural Water System #1 | Sioux | 3,428 | Community | Groundwater under influence of surface water |
| Hawarden Water Supply | Sioux | 2,700 | Community | Groundwater |
| Hull Water Supply | Sioux | 2,384 | Community | Purchased 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, “Sioux Center Municipal Water Department, PWSID IA8486053, Iowa”, https://aquacensus.com/water-systems/iowa/sioux-center-municipal-water-department-ia8486053 (data as of October 1, 2026).