B63/100
CALCASIEU PARISH WW DISTRICT NO 4 — Water Quality Report 2026
Serving 5,340 people · Louisiana
Water Source
Groundwater
County
—
System ID
LA1019053
Violations
10
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
4
Violations (last 5yr)
2
Unresolved
2
Health-Related
TIER 2Unresolved
Treatment technique violation
TIER 3Unresolved
Reporting violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
TIER 3Resolved
Disinfection byproduct treatment technique failure
When: August 11, 2023 – December 6, 2023Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 2Resolved
Violation related to Consumer Confidence Report
When: July 3, 2023 – December 6, 2023Rule: 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 CALCASIEU PARISH WW DISTRICT NO 4
Is CALCASIEU PARISH WW DISTRICT NO 4 water safe to drink?
CALCASIEU PARISH WW DISTRICT NO 4 water receives a grade of B (63/100), which is considered good. Out of 31 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has CALCASIEU PARISH WW DISTRICT NO 4 detected?
31 contaminants were tested in CALCASIEU PARISH WW DISTRICT NO 4's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does CALCASIEU PARISH WW DISTRICT NO 4 have any EPA violations?
Yes, CALCASIEU PARISH WW DISTRICT NO 4 has 10 EPA violation(s) on record, with the most recent in 2024. Violation types include TT, RPT, Other. 6 are health-based violations.
How many people does CALCASIEU PARISH WW DISTRICT NO 4 serve?
CALCASIEU PARISH WW DISTRICT NO 4 serves approximately 5,340 people, Louisiana.
What type of water does CALCASIEU PARISH WW DISTRICT NO 4 provide?
CALCASIEU PARISH WW DISTRICT NO 4 sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is LA1019053.
How does CALCASIEU PARISH WW DISTRICT NO 4 compare to other utilities in Louisiana?
CALCASIEU PARISH WW DISTRICT NO 4 scores 63/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our Louisiana state page for a full comparison of water systems.