A84/100
NEW ORLEANS CARROLLTON WATER WORKS — Water Quality Report 2026
Serving 334,903 people · Louisiana
Water Source
Surface Water
County
—
System ID
LA1071009
Violations
6
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
chlorate | 490.00 µg/L | — | Above Goal |
Lead (90th percentile) | 0.005 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
4
Violations (last 5yr)
0
Unresolved
1
Health-Related
TIER 1 — URGENTResolved
Violation related to Nitrate
When: January 1, 2025 – January 31, 2025Rule: Surface Water Treatment RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Monitoring Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: June 1, 2023 – June 30, 2023Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Monitoring Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: December 1, 2022 – December 31, 2022Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: January 1, 2022 – March 31, 2022Rule: Stage 1 DBPREnforcement: 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 NEW ORLEANS CARROLLTON WATER WORKS
Is NEW ORLEANS CARROLLTON WATER WORKS water safe to drink?
NEW ORLEANS CARROLLTON WATER WORKS water receives a grade of A (84/100), which is considered excellent. Out of 76 contaminants tested, none exceed EPA legal limits. 2 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has NEW ORLEANS CARROLLTON WATER WORKS detected?
76 contaminants were tested in NEW ORLEANS CARROLLTON WATER WORKS's water. Notable contaminants include Lead (90th percentile), chlorate. No contaminants exceed EPA legal limits. 2 exceed EPA health goals (MCLGs).
Does NEW ORLEANS CARROLLTON WATER WORKS have any EPA violations?
Yes, NEW ORLEANS CARROLLTON WATER WORKS has 6 EPA violation(s) on record, with the most recent in 2025. Violation types include TT, MON, MR. 1 are health-based violations.
How many people does NEW ORLEANS CARROLLTON WATER WORKS serve?
NEW ORLEANS CARROLLTON WATER WORKS serves approximately 334,903 people, Louisiana.
What type of water does NEW ORLEANS CARROLLTON WATER WORKS provide?
NEW ORLEANS CARROLLTON WATER WORKS sources its water from surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is LA1071009.
How does NEW ORLEANS CARROLLTON WATER WORKS compare to other utilities in Louisiana?
NEW ORLEANS CARROLLTON WATER WORKS scores 84/100 with a grade of A (excellent). This places it among the higher-performing utilities in the state. Visit our Louisiana state page for a full comparison of water systems.