OELWEIN, IA · Fayette County
OELWEIN MUNICIPAL WATER WORKS Water System
Consumer Confidence Report status
OELWEIN MUNICIPAL WATER WORKS 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 OELWEIN MUNICIPAL WATER WORKS.
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)
- IA3353088
- System type
- Community Water System
- Population served
- 5,920
- Service connections
- 2,900
- Ownership
- local government
- Water source
- groundwater (wells)
OELWEIN MUNICIPAL WATER WORKS is one of 91 community water systems in Iowa in the 3,301 to 10,000 people size category, serving 5,920 people from groundwater.
As of August 1, 2026, its federal record holds 1 entry in 1995, all of which EPA lists as closed. Nothing has been added since 1995.
None of the 1 are monitoring or reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset; these involve water-quality, treatment, or public-notice findings instead. The record involves the Total Coliform Rules.
Violation history
Maximum Contaminant Level Violation, Acute (TCR)
Health-basedColiform (TCR)
June 1, 1995 – June 30, 1995
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| June 1, 1995 – June 30, 1995 | Maximum Contaminant Level Violation, Acute (TCR) | Coliform (TCR) | Health-based | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- June 15, 2015State Public Notification received5 linked violations
- April 20, 2015State Public Notification requested5 linked violations
- April 20, 2015State Formal Notice of Violation issued5 linked violations
- November 7, 1995State Compliance achieved2 linked violations
- June 19, 1995State Public Notification requested4 linked violations
- June 19, 1995State Formal Notice of Violation issued1 linked violation
- June 19, 1995State Public Notification requested3 linked violations
- June 7, 1994State Public Notification received5 linked violations
- May 20, 1994State Public Notification requested5 linked violations
Common questions
Is OELWEIN MUNICIPAL WATER WORKS required to publish a Consumer Confidence Report?
- Yes. OELWEIN MUNICIPAL WATER WORKS 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 OELWEIN MUNICIPAL WATER WORKS’s next Consumer Confidence Report due?
- OELWEIN MUNICIPAL WATER WORKS’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does OELWEIN MUNICIPAL WATER WORKS have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for OELWEIN MUNICIPAL WATER WORKS.
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
OELWEIN MUNICIPAL WATER WORKS
319-283-1197
OELWEIN, IA 50662