F1/100
GRETNA WATERWORKS — Water Quality Report 2026
Serving 17,026 people · Louisiana
Water Source
Surface Water
County
—
System ID
LA1051003
Violations
23
Contaminant Test Results
EPA Violation History
2
Violations (last 5yr)
1
Unresolved
0
Health-Related
TIER 3Unresolved
Reporting Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2022 – June 15, 2022Enforcement: 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 GRETNA WATERWORKS
Is GRETNA WATERWORKS water safe to drink?
GRETNA WATERWORKS water receives a grade of F (1/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 23 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has GRETNA WATERWORKS detected?
69 contaminants were tested in GRETNA WATERWORKS's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does GRETNA WATERWORKS have any EPA violations?
Yes, GRETNA WATERWORKS has 23 EPA violation(s) on record, with the most recent in 2025. Violation types include RPT, Other, MCL. 19 are health-based violations.
How many people does GRETNA WATERWORKS serve?
GRETNA WATERWORKS serves approximately 17,026 people, Louisiana.
What type of water does GRETNA WATERWORKS provide?
GRETNA WATERWORKS 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 LA1051003.
How does GRETNA WATERWORKS compare to other utilities in Louisiana?
GRETNA WATERWORKS scores 1/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our Louisiana state page for a full comparison of water systems.