Public water system record
City of Derby
Serves Derby, Sedgwick County, KS · 25,413 people served
Federal records show no health-based violations and 7 monitoring/reporting issues for City of Derby 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
- 7
Key facts
- City of Derby buys its water from City of Wichita.
- Record on file since 1978, with 11 health-based violations before October 19, 2016.
Check whether City of Derby 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 |
|---|---|---|
|
Public Notice
OTHER
|
Oct 6, 2022 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jun 1, 2022 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jun 1, 2022 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jun 1, 2021 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jun 1, 2021 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Mar 1, 2021 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Mar 1, 2021 | Resolved |
Full record since 1978
EPA's records for City of Derby go back to 1978. Before October 19, 2016 they list 11 health-based violations (6 resolved, 5 archived by EPA without a recorded fix) and 4 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1970s | 1 | 0 |
| 1980s | 5 | 0 |
| 1990s | 1 | 2 |
| 2000s | 3 | 1 |
| 2010 to October 18, 2016 | 1 | 1 |
| 2020s | 0 | 7 |
Most recent health-based violation before October 19, 2016: Total Coliform, began January 2013, Resolved.
Show all 11 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Jan 1, 2013 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 2009 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jun 1, 2007 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 2004 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
May 1, 1993 | Resolved |
|
Selenium
Contaminant limit exceeded
|
May 28, 1986 | Resolved |
|
Selenium
Contaminant limit exceeded
|
Jan 16, 1985 | Archived |
|
Selenium
Contaminant limit exceeded
|
Oct 1, 1983 | Archived |
|
Selenium
Contaminant limit exceeded
|
Oct 1, 1982 | Archived |
|
Selenium
Contaminant limit exceeded
|
Mar 4, 1982 | Archived |
|
Selenium
Contaminant limit exceeded
|
May 24, 1978 | Archived |
Where the water comes from
City of Derby buys its water from City of Wichita. It lists no wells or intakes of its own.
Buys water from
- City of Wichita Wichita, KS
Annual water quality report
City of Derby 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 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.
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 Kansas.
Certified drinking water labs by state EPA guidance for private wells