C47/100
COUSHATTA WATER SYSTEM — Water Quality Report 2026
Serving 3,300 people · Louisiana
Water Source
Groundwater
County
—
System ID
LA1081001
Violations
14
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
7
Violations (last 5yr)
3
Unresolved
7
Health-Related
TIER 2Unresolved
Violation related to Consumer Confidence Report
When: May 25, 2025Rule: Consumer Confidence RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 2Unresolved
Violation related to Consumer Confidence Report
When: May 25, 2025Rule: Consumer Confidence RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 2Unresolved
Violation related to Consumer Confidence Report
When: May 25, 2025Rule: Consumer Confidence RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 2Resolved
Violation related to Consumer Confidence Report
When: January 18, 2023 – January 26, 2023Rule: Consumer Confidence RuleEnforcement: Resolving — corrective action underway
TIER 2Resolved
Violation related to Consumer Confidence Report
When: January 18, 2023 – February 16, 2023Rule: Consumer Confidence RuleEnforcement: Resolving — corrective action underway
TIER 2Resolved
Violation related to Consumer Confidence Report
When: January 18, 2023 – February 16, 2023Rule: Consumer Confidence RuleEnforcement: Resolving — corrective action underway
TIER 2Resolved
Violation related to Consumer Confidence Report
When: October 2, 2021 – September 8, 2022Rule: Consumer Confidence RuleEnforcement: Resolving — corrective action underway
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Frequently Asked Questions About COUSHATTA WATER SYSTEM
Is COUSHATTA WATER SYSTEM water safe to drink?
COUSHATTA WATER SYSTEM water receives a grade of C (47/100), which is considered fair. 0 contaminant(s) exceed EPA legal limits and 14 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has COUSHATTA WATER SYSTEM detected?
31 contaminants were tested in COUSHATTA WATER SYSTEM's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does COUSHATTA WATER SYSTEM have any EPA violations?
Yes, COUSHATTA WATER SYSTEM has 14 EPA violation(s) on record, with the most recent in 2025. Violation types include TT, MR, MCL. 9 are health-based violations.
How many people does COUSHATTA WATER SYSTEM serve?
COUSHATTA WATER SYSTEM serves approximately 3,300 people, Louisiana.
What type of water does COUSHATTA WATER SYSTEM provide?
COUSHATTA WATER SYSTEM sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is LA1081001.
How does COUSHATTA WATER SYSTEM compare to other utilities in Louisiana?
COUSHATTA WATER SYSTEM scores 47/100 with a grade of C (fair). This score indicates room for improvement compared to other utilities. Visit our Louisiana state page for a full comparison of water systems.