Public water system record
Corning Muni Water Department
Serves Corning, Adams County, IA · 1,735 people served
Federal records show 1 health-based violation and 1 monitoring/reporting issue for Corning Muni Water Department in the last ten years. The most serious issue in this window was a resolved Chlorite violation.
System profile
- Health-based violations, last 10 years
- 1
- Resolved
- 1
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 1
Key facts
- Corning Muni Water Department draws water from 3 surface water intakes.
- Highest measured level in the last 10 years: Chlorite, 1.12 mg/L, federal limit 1 mg/L (1.1 times the limit), 2016.
- Most recent formal enforcement: compliance order with a penalty by Iowa, October 2016.
- Record on file since 1982, with 1 health-based violation before October 19, 2016.
- Lead pipe inventory: 23 lead and 6 unknown out of 1,033 service lines.
Check whether Corning Muni Water Department 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.
| Contaminant | Rule family | Start date | Status | Acute |
|---|---|---|---|---|
|
Chlorite
Contaminant limit exceeded
Measured 1.12 mg/L, federal limit 1 mg/L (1.1 times the limit)
|
210 | Nov 1, 2016 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Nitrate
Monitoring and reporting
|
Jul 1, 2024 | Resolved |
Full record since 1982
EPA's records for Corning Muni Water Department go back to 1982. Before October 19, 2016 they list 1 health-based violation (1 resolved) and 125 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 0 | 1 |
| 1990s | 0 | 117 |
| 2000s | 0 | 2 |
| 2010 to October 18, 2016 | 1 | 5 |
| October 19, 2016 to 2019 | 1 | 0 |
| 2020s | 0 | 1 |
Most recent health-based violation before October 19, 2016: Surface Water Treatment Rule, began July 2016, Resolved.
Show the health-based violation before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Surface Water Treatment Rule
Treatment technique failure
|
Jul 1, 2016 | Resolved |
Enforcement actions
Iowa regulators took 1 formal enforcement action against Corning Muni Water Department in 2016, filed as 3 records in EPA's data. The most recent was a compliance order with a penalty in October 2016.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Oct 17, 2016 | Iowa | Compliance order with a penalty | 3 violations: Haloacetic Acids (HAA5), Total Trihalomethanes (TTHMs), Interim Enhanced Surface Water Treatment Rule |
What the violations mean
Chlorite
1 incidentTest results for Chlorite were above the federal limit (a maximum contaminant level violation).
The utility had to notify customers about this violation.
Where the water comes from
Corning Muni Water Department draws water from 3 surface water intakes. 1 other community water system buys water from Corning Muni Water Department.
Community systems that buy water from it
- Sirwa - Corning Creston, IA
Annual water quality report
Corning Muni Water Department 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