Public water system record
Ottosen Water Supply
Serves Ottosen, Humboldt County, IA · 41 people served
Federal records show no health-based violations and 3 monitoring/reporting issues for Ottosen Water Supply 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
- 3
Key facts
- Ottosen Water Supply draws water from 1 well.
- Most recent formal enforcement: compliance order (no penalty) by Iowa, January 1989.
- Record on file since 1984, with 1 health-based violation before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 31 service lines.
Check whether Ottosen Water Supply 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.
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Revised Total Coliform Rule
Monitoring violation
|
Nov 1, 2020 | Resolved |
|
Nitrate
Monitoring and reporting
|
Oct 1, 2020 | Resolved |
|
Diquat
Monitoring and reporting
|
Oct 1, 2014 | Resolved |
Full record since 1984
EPA's records for Ottosen Water Supply go back to 1984. Before October 19, 2016 they list 1 health-based violation (1 resolved) and 4 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 0 | 2 |
| 1990s | 1 | 1 |
| 2010 to October 18, 2016 | 0 | 1 |
| 2020s | 0 | 2 |
Most recent health-based violation before October 19, 2016: Total Coliform, began September 1998, Resolved.
Show the health-based violation before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 1998 | Resolved |
Enforcement actions
Iowa regulators took 2 formal enforcement actions against Ottosen Water Supply in 1989, filed as 3 records in EPA's data. The most recent was a compliance order (no penalty) in January 1989.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Jan 30, 1989 | Iowa | Compliance order (no penalty) | 2 violations: Gross Alpha, Excl. Radon and U |
| Jan 30, 1989 | Iowa | Administrative penalty | 1 violation: Gross Alpha, Excl. Radon and U |
Where the water comes from
Ottosen Water Supply draws water from 1 well.
Annual water quality report
Ottosen Water Supply 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.
Systems serving 500 or fewer people may meet the rule by telling customers the report is available on request, so you may need to ask Ottosen Water Supply for a copy.
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