Public water system record
Callender Water Supply
Serves Callender, Webster County, IA · 371 people served
Federal records show no health-based violations and no monitoring or reporting issues for Callender 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
- Callender Water Supply draws water from 1 well.
- Most recent formal enforcement: signed compliance agreement by Iowa, September 1986.
- Record on file since 1978, with 6 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 185 service lines.
Check whether Callender 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 1978
EPA's records for Callender Water Supply go back to 1978. Before October 19, 2016 they list 6 health-based violations (3 resolved, 3 archived by EPA without a recorded fix) and 10 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1970s | 1 | 0 |
| 1980s | 3 | 2 |
| 1990s | 1 | 4 |
| 2000s | 0 | 1 |
| 2010 to October 18, 2016 | 1 | 3 |
Most recent health-based violation before October 19, 2016: Combined Radium (-226 and -228), began October 2012, Resolved.
Show all 6 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 6.1 pCi/L, federal limit 5 pCi/L (1.2 times the limit)
|
Oct 1, 2012 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jun 1, 1996 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
|
Oct 1, 1985 | Archived |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
|
Oct 1, 1984 | Archived |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
|
Oct 1, 1983 | Archived |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
|
Oct 1, 1978 | Resolved |
Enforcement actions
Iowa regulators took 1 formal enforcement action against Callender Water Supply in 1986. The most recent was a signed compliance agreement in September 1986.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Sep 30, 1986 | Iowa | Signed compliance agreement | 1 violation (1 health-based): Combined Radium (-226 and -228) |
Where the water comes from
Callender Water Supply draws water from 1 well.
Annual water quality report
Callender 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 Callender 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