PlainWater

WALNUT BAYOU WATER ASSOCIATION

PWS ID: LA1065004 · TALLULAH, Louisiana 71282

WALNUT BAYOU WATER ASSOCIATION serves 3,531 people in TALLULAH, Louisiana using Groundwater water sources. It has 84 recorded EPA violations, including 43 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: WALNUT BAYOU WATER ASSOCIATION

WALNUT BAYOU WATER ASSOCIATION is a private-owned community water system that delivers drinking water to 3,531 residents in TALLULAH, Louisiana (Madison Parish County) through 1,177 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 84 total violations for this system , of which 43 (51%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 30 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is Groundwater Rule, recorded in 33 violations (TT, health-based). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Louisiana, EPA tracks 1,234 public water systems serving 5,316,532 people, with 115,060 cumulative violations and 62,164 health-based violations on record. About 93% of systems in the state carry at least one violation, and state-wide the average per system is 93.2 violations. WALNUT BAYOU WATER ASSOCIATION's 84 violations sit below the Louisiana average. Statewide, 218 of 265 UCMR5-tested systems have reported PFAS detections (82.3%). All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
3,531
Total Violations
84
Health-Based Violations
43
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
1,177
County
Madison Parish
School/Daycare
No
MCL Violations
10
Monitoring Violations
30
Treatment Tech Violations
33

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Groundwater Rule TT 33 2025
TTHM MR 12 2015
Total Haloacetic Acids (HAA5) MR 12 2015
Coliform (TCR) MCL 10 2005
Consumer Confidence Rule Other 6 2024
Revised Total Coliform Rule MON 3 2018
Chlorine MR 3 2018
Public Notice Other 2 2016
LEAD AND COPPER RULE REVISIONS RPT 1 2025

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records — or to file a complaint, request a Consumer Confidence Report, or check current monitoring status — go directly to the federal and state regulators that enforce the Safe Drinking Water Act for WALNUT BAYOU WATER ASSOCIATION.

Federal Source of Truth

EPA SDWIS — Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID LA1065004 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Louisiana Drinking Water Authority

Louisiana's primacy agency administers the Safe Drinking Water Act locally. Search EPA SDWIS for the current state contact, or use the state's public health or environment department portal.

Find LA regulator via EPA SDWIS

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2025 Groundwater Rule TT 33 SDWIS / LA1065004 / 0700
2025 LEAD AND COPPER RULE REVISIONS RPT 1 SDWIS / LA1065004 / 5200
2024 Consumer Confidence Rule Other 6 SDWIS / LA1065004 / 7000
2018 Revised Total Coliform Rule MON 3 SDWIS / LA1065004 / 8000
2018 Chlorine MR 3 SDWIS / LA1065004 / 0999
2016 Public Notice Other 2 SDWIS / LA1065004 / 7500
2015 TTHM MR 12 SDWIS / LA1065004 / 2950
2015 Total Haloacetic Acids (HAA5) MR 12 SDWIS / LA1065004 / 2456
2005 Coliform (TCR) MCL 10 SDWIS / LA1065004 / 3100

How WALNUT BAYOU WATER ASSOCIATION Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric WALNUT BAYOU WATER ASSOCIATION Louisiana avg Federal benchmark
Total violations 84 93.2 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 43 50.4 Indicates a contaminant exceeded a federal MCL
PFAS detection None 82.3% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 3,531 4,308 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 1,234 regulated public water systems in Louisiana.

Federal MCL reference — Safe Drinking Water Act thresholds
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is WALNUT BAYOU WATER ASSOCIATION water safe to drink?
WALNUT BAYOU WATER ASSOCIATION (PWS ID: LA1065004) has 84 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 3,531 people using Groundwater sources.
How many people does WALNUT BAYOU WATER ASSOCIATION serve?
WALNUT BAYOU WATER ASSOCIATION serves 3,531 people in TALLULAH, Louisiana. It is a Private-owned system using Groundwater water sources with 1,177 service connections.
What type of violations does WALNUT BAYOU WATER ASSOCIATION have?
WALNUT BAYOU WATER ASSOCIATION has 84 total violations: 43 health-based violations (MCL exceedances or treatment failures), 30 monitoring/reporting violations, and 33 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in WALNUT BAYOU WATER ASSOCIATION water?
No PFAS testing data is available for WALNUT BAYOU WATER ASSOCIATION under the EPA's UCMR5 monitoring program.
What water source does WALNUT BAYOU WATER ASSOCIATION use?
WALNUT BAYOU WATER ASSOCIATION uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from?
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.

Explore PlainWater

Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Related

Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by Kiznis Studio Editorial