Public water system record
Onawa Municipal Water Plant
Serves Onawa, Monona County, IA · 2,906 people served
Federal records show no health-based violations and no monitoring or reporting issues for Onawa Municipal Water Plant in the last ten years.
System profile
- Health-based violations, last 10 years
- 0
- Resolved
- 0
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 0
Key facts
- Onawa Municipal Water Plant draws water from 2 wells.
- Record on file since 1988, with 0 health-based violations before October 19, 2016.
- Lead pipe inventory: 107 lead and 1,048 unknown out of 1,495 service lines.
Check whether Onawa Municipal Water Plant serves your address
Health-based violations
Since October 2016Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.
None since October 2016, and no monitoring or reporting violations either.
Full record since 1988
EPA's records for Onawa Municipal Water Plant go back to 1988. Before October 19, 2016 they list no health-based violations and 1 monitoring or reporting violation.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 0 | 1 |
Where the water comes from
Onawa Municipal Water Plant draws water from 2 wells.
Annual water quality report
Onawa Municipal Water Plant must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.
Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.
Find a posted report with EPA's Consumer Confidence Report search
Testing your own water
To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by Iowa.
Certified drinking water labs by state EPA guidance for private wells