HUMBOLDT, IA · Humboldt County
HUMBOLDT MUNICIPAL WATER DEPT Water System
Consumer Confidence Report status
HUMBOLDT MUNICIPAL WATER DEPT 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 HUMBOLDT MUNICIPAL WATER DEPT.
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)
- IA4641064
- System type
- Community Water System
- Population served
- 4,792
- Service connections
- 2,058
- Ownership
- local government
- Water source
- surface water (rivers, lakes, or reservoirs)
HUMBOLDT MUNICIPAL WATER DEPT is one of 91 community water systems in Iowa in the 3,301 to 10,000 people size category, serving 4,792 people from surface water.
As of August 1, 2026, its federal record holds 1 entry in 2020, all of which EPA lists as closed. Nothing has been added since 2020.
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 the Surface Water Treatment Rules.
Violation history
Monitoring of Treatment (SWTR-Filter)
—Long Term 2 Enhanced Surface Water Treatment Rule
May 1, 2020 – May 31, 2020
Archived
Archived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| May 1, 2020 – May 31, 2020 | Monitoring of Treatment (SWTR-Filter) | Long Term 2 Enhanced Surface Water Treatment Rule | — | Archived |
Archived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- February 16, 1982State Unresolvedgeneral compliance action — not tied to a specific violation on record
- February 10, 1982State Unresolvedgeneral compliance action — not tied to a specific violation on record
Common questions
Is HUMBOLDT MUNICIPAL WATER DEPT required to publish a Consumer Confidence Report?
- Yes. HUMBOLDT MUNICIPAL WATER DEPT 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 HUMBOLDT MUNICIPAL WATER DEPT’s next Consumer Confidence Report due?
- HUMBOLDT MUNICIPAL WATER DEPT’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does HUMBOLDT MUNICIPAL WATER DEPT have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for HUMBOLDT MUNICIPAL WATER DEPT.
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
HUMBOLDT MUNICIPAL WATERWORKS
515-332-3435
HUMBOLDT, IA 50548