Public water system record
Wall Lake Water Supply
Serves Wall Lake, Sac County, IA · 780 people served
Federal records show no health-based violations and no monitoring or reporting issues for Wall Lake 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
- 0
Key facts
- Wall Lake Water Supply draws water from 1 well.
- Record on file since 1979, with 4 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 3 unknown out of 439 service lines.
Check whether Wall Lake 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, and no monitoring or reporting violations either.
Full record since 1979
EPA's records for Wall Lake Water Supply go back to 1979. Before October 19, 2016 they list 4 health-based violations (1 resolved, 3 archived by EPA without a recorded fix) and 5 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1970s | 2 | 0 |
| 1980s | 1 | 1 |
| 1990s | 0 | 4 |
| 2010 to October 18, 2016 | 1 | 0 |
Most recent health-based violation before October 19, 2016: Nitrate (acute), began July 2015, Resolved.
Show all 4 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Nitrate (acute)
Contaminant limit exceeded
Measured 13 mg/L, federal limit 10 mg/L (1.3 times the limit)
|
Jul 1, 2015 | Resolved |
|
Nitrate (acute)
Contaminant limit exceeded
|
Jul 1, 1985 | Archived |
|
Selenium
Contaminant limit exceeded
|
Aug 11, 1979 | Archived |
|
Selenium
Contaminant limit exceeded
|
Aug 10, 1979 | Archived |
Where the water comes from
Wall Lake Water Supply draws water from 1 well.
Annual water quality report
Wall Lake 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.
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