SIOUX CENTER, IA · Sioux County
SIOUX CENTER MUNICIPAL WATER DEPARTMENT Water System
Consumer Confidence Report status
SIOUX CENTER MUNICIPAL WATER DEPARTMENT must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.
As of August 1, 2026, EPA's federal records show no open violations for SIOUX CENTER MUNICIPAL WATER DEPARTMENT.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 2026. This is a record-keeping and public-information tool — it does not replace Iowa’s official records. Always confirm current status with Iowa before making decisions based on this information.
System facts
- System ID (PWSID)
- IA8486053
- System type
- Community Water System
- Population served
- 8,231
- Service connections
- 2,832
- Ownership
- local government
- Water source
- groundwater (wells)
SIOUX CENTER MUNICIPAL WATER DEPARTMENT is one of 91 community water systems in Iowa in the 3,301 to 10,000 people size category, serving 8,231 people from groundwater.
As of August 1, 2026, its federal record holds 1 entry in 2023, all of which EPA lists as closed. Nothing has been added since 2023.
All 1 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves inorganic chemicals.
Violation history
Monitoring, Regular
—Nitrate
May 1, 2023 – May 31, 2023
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| May 1, 2023 – May 31, 2023 | Monitoring, Regular | Nitrate | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- June 13, 2023State Compliance achieved7 linked violations
- December 30, 1988State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
- December 30, 1988State Formal Notice of Violation issued1 linked violation
- November 5, 1988State Compliance achievedgeneral compliance action — not tied to a specific violation on record
- November 5, 1988State Compliance achievedgeneral compliance action — not tied to a specific violation on record
- February 19, 1982State Unresolvedgeneral compliance action — not tied to a specific violation on record
- January 19, 1982State Unresolved1 linked violation
Common questions
Is SIOUX CENTER MUNICIPAL WATER DEPARTMENT required to publish a Consumer Confidence Report?
- Yes. SIOUX CENTER MUNICIPAL WATER DEPARTMENT is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is SIOUX CENTER MUNICIPAL WATER DEPARTMENT’s next Consumer Confidence Report due?
- SIOUX CENTER MUNICIPAL WATER DEPARTMENT’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does SIOUX CENTER MUNICIPAL WATER DEPARTMENT have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for SIOUX CENTER MUNICIPAL WATER DEPARTMENT.
What is a Consumer Confidence Report?
- A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.
Contact
SIOUX CENTER MUNICIPAL WATER DEPARTMENT
712-722-0761
SIOUX CENTER, IA 51250