Public water system record
City of Walnut
Serves Walnut, Crawford County, KS · 189 people served
Federal records show 1 health-based violation and 2 monitoring/reporting issues for City of Walnut in the last ten years. The most serious issue in this window was a resolved Total Trihalomethanes (TTHMs) violation.
System profile
- Health-based violations, last 10 years
- 1
- Resolved
- 1
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 2
Key facts
- City of Walnut buys its water from Public Wholesale WSD 5.
- Highest measured level in the last 10 years: Total Trihalomethanes (TTHMs), 0.093 mg/L, federal limit 0.08 mg/L (1.2 times the limit), 2019.
- Most recent formal enforcement: compliance order with a penalty by Kansas, June 2009.
- Record on file since 1979, with 8 health-based violations before October 19, 2016.
Check whether City of Walnut 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 |
|---|---|---|---|---|
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.093 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
|
220 | Apr 1, 2019 | Resolved | No |
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
|
Mar 1, 2025 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Dec 30, 2016 | Resolved |
Full record since 1979
EPA's records for City of Walnut go back to 1979. Before October 19, 2016 they list 8 health-based violations (2 resolved, 6 archived by EPA without a recorded fix) and 33 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1970s | 1 | 0 |
| 1980s | 5 | 0 |
| 1990s | 2 | 4 |
| 2000s | 0 | 27 |
| 2010 to October 18, 2016 | 0 | 2 |
| October 19, 2016 to 2019 | 1 | 1 |
| 2020s | 0 | 1 |
Most recent health-based violation before October 19, 2016: Lead and Copper Rule, began January 1994, Resolved.
Show all 8 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Lead and Copper Rule
Treatment technique failure
|
Jan 1, 1994 | Resolved |
|
Lead and Copper Rule
Treatment technique failure
|
Jan 1, 1994 | Resolved |
|
Fluoride
Contaminant limit exceeded
|
Oct 20, 1981 | Archived |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
|
Oct 1, 1981 | Archived |
|
Fluoride
Contaminant limit exceeded
|
Mar 4, 1981 | Archived |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
|
Oct 1, 1980 | Archived |
|
Fluoride
Contaminant limit exceeded
|
Aug 11, 1980 | Archived |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
|
Aug 1, 1979 | Archived |
Enforcement actions
Kansas regulators took 1 formal enforcement action against City of Walnut in 2009. The most recent was a compliance order with a penalty in June 2009.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Jun 17, 2009 | Kansas | Compliance order with a penalty | 21 violations: Total Coliform, Public Notice, Consumer Confidence Rule |
What the violations mean
Total Trihalomethanes (TTHMs)
1 incidentDisinfection byproduct levels exceeded the federal limit
Long-term TTHM exposure may increase bladder cancer risk
Where the water comes from
City of Walnut buys its water from Public Wholesale WSD 5. It lists no wells or intakes of its own.
Buys water from
- Public Wholesale WSD 5 Iola, KS
Annual water quality report
City of Walnut 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 City of Walnut 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 Kansas.
Certified drinking water labs by state EPA guidance for private wells