F0/100
DESOTO PARISH WATER WORKS DISTRICT 1 — Water Quality Report 2026
Serving 7,887 people · Louisiana
Water Source
Surface Water
County
—
System ID
LA1031030
Violations
81
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
6
Violations (last 5yr)
1
Unresolved
5
Health-Related
TIER 2Unresolved
Failed treatment technique requirements
When: August 1, 2025 – August 31, 2025Rule: Surface Water Treatment RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 2Resolved
Failed treatment technique requirements
When: September 1, 2024 – September 30, 2024Rule: Surface Water Treatment RuleEnforcement: Resolving — corrective action underway
TIER 2Resolved
Failed treatment technique requirements
When: January 1, 2024 – January 31, 2024Rule: Surface Water Treatment RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Disinfection byproduct treatment technique failure
When: October 27, 2023 – December 6, 2023Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 2Resolved
Failed treatment technique requirements
When: October 1, 2023 – October 31, 2023Rule: Surface Water Treatment RuleEnforcement: Resolving — corrective action underway
TIER 2Resolved
Failed treatment technique requirements
When: August 1, 2023 – August 31, 2023Rule: Surface Water Treatment 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 DESOTO PARISH WATER WORKS DISTRICT 1
Is DESOTO PARISH WATER WORKS DISTRICT 1 water safe to drink?
DESOTO PARISH WATER WORKS DISTRICT 1 water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 81 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has DESOTO PARISH WATER WORKS DISTRICT 1 detected?
34 contaminants were tested in DESOTO PARISH WATER WORKS DISTRICT 1's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does DESOTO PARISH WATER WORKS DISTRICT 1 have any EPA violations?
Yes, DESOTO PARISH WATER WORKS DISTRICT 1 has 81 EPA violation(s) on record, with the most recent in 2025. Violation types include TT, Other, MCL. 40 are health-based violations.
How many people does DESOTO PARISH WATER WORKS DISTRICT 1 serve?
DESOTO PARISH WATER WORKS DISTRICT 1 serves approximately 7,887 people, Louisiana.
What type of water does DESOTO PARISH WATER WORKS DISTRICT 1 provide?
DESOTO PARISH WATER WORKS DISTRICT 1 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 LA1031030.
How does DESOTO PARISH WATER WORKS DISTRICT 1 compare to other utilities in Louisiana?
DESOTO PARISH WATER WORKS DISTRICT 1 scores 0/100 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.