Public water system record
Walnut Bayou Water Association
Serves an area of Madison Parish, LA · 3,531 people served
Federal records show 10 health-based violations and 8 monitoring/reporting issues for Walnut Bayou Water Association in the last ten years, including an unresolved Groundwater Rule violation.
System profile
- Health-based violations, last 10 years
- 10
- Resolved
- 5
- Unresolved
- 5
- Any acute record
- No
- Monitoring issues, last 10 years
- 8
Key facts
- Walnut Bayou Water Association draws water from 4 wells.
- Record on file since 1993, with 3 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 975 service lines.
Check whether Walnut Bayou Water Association 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 |
|---|---|---|---|---|
|
Groundwater Rule
Treatment technique failure
|
140 | Aug 8, 2025 | Active | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Aug 8, 2025 | Active | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Aug 8, 2025 | Active | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Aug 8, 2025 | Active | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Aug 8, 2025 | Active | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Aug 1, 2020 | Resolved | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Aug 1, 2020 | Resolved | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Aug 1, 2020 | Resolved | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Mar 1, 2018 | Resolved | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Mar 1, 2018 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Public Notice
OTHER
|
Sep 23, 2025 | Active |
|
LEAD AND COPPER RULE REVISIONS
RPT
|
Jul 2, 2025 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2024 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Feb 1, 2018 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Chlorine
Monitoring and reporting
|
Jan 1, 2018 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Consumer Confidence Rule
OTHER
|
Oct 1, 2016 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2016 | Resolved |
|
Public Notice
OTHER
|
Feb 28, 2016 | Resolved |
Full record since 1993
EPA's records for Walnut Bayou Water Association go back to 1993. Before October 19, 2016 they list 3 health-based violations (1 resolved, 2 archived by EPA without a recorded fix) and 9 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 2 | 0 |
| 2000s | 1 | 0 |
| 2010 to October 18, 2016 | 0 | 9 |
| October 19, 2016 to 2019 | 2 | 2 |
| 2020s | 8 | 3 |
Most recent health-based violation before October 19, 2016: Total Coliform, began August 2005, Resolved.
Show all 3 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2005 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Aug 15, 1994 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Mar 15, 1993 | Archived |
What the violations mean
Groundwater Rule
10 incidentsThe system did not complete a treatment step or action that the Groundwater Rule requires (a treatment technique violation).
The utility had to notify customers about each of these violations.
Where the water comes from
Walnut Bayou Water Association draws water from 4 wells. It also has an emergency connection to Monticello Water System. 2 other community water systems buy water from Walnut Bayou Water Association. 1 other public water system has an emergency connection to Walnut Bayou Water Association.
Emergency or part-time connections to
- Monticello Water System Lake Providence, LA
Community systems that buy water from it
- Delta Water System Delta, LA
- East Carroll WS South Transylvania, LA
Annual water quality report
Walnut Bayou Water Association 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 Louisiana.
Certified drinking water labs by state EPA guidance for private wells