F0/100
MANSFIELD WATER SYSTEM — Water Quality Report 2026
Serving 7,512 people · Louisiana
Water Source
Surface Water
County
—
System ID
LA1031009
Violations
40
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.60 mg/L | 1.30 mg/L | Over Limit |
Lead (90th percentile) | 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
15
Violations (last 5yr)
4
Unresolved
15
Health-Related
TIER 1 — URGENTResolved
Violation related to Nitrate
When: March 1, 2025 – March 31, 2025Rule: Surface Water Treatment RuleEnforcement: Resolving — corrective action underway
TIER 1 — URGENTResolved
Violation related to Nitrate
When: February 1, 2025 – February 28, 2025Rule: Surface Water Treatment RuleEnforcement: Resolving — corrective action underway
TIER 1 — URGENTResolved
Violation related to Nitrate
When: January 1, 2025 – January 31, 2025Rule: Surface Water Treatment RuleEnforcement: Resolving — corrective action underway
TIER 1 — URGENTResolved
Violation related to Nitrate
When: November 1, 2024 – November 30, 2024Rule: Surface Water Treatment RuleEnforcement: Resolving — corrective action underway
TIER 1 — URGENTResolved
Violation related to Nitrate
When: November 1, 2024 – November 30, 2024Rule: Surface Water Treatment RuleEnforcement: Resolving — corrective action underway
TIER 1 — URGENTResolved
Violation related to Nitrate
When: October 1, 2024 – October 31, 2024Rule: Surface Water Treatment RuleEnforcement: Resolving — corrective action underway
TIER 1 — URGENTResolved
Violation related to Nitrate
When: August 1, 2024 – August 31, 2024Rule: Surface Water Treatment RuleEnforcement: Resolving — corrective action underway
TIER 1 — URGENTResolved
Violation related to Nitrate
When: July 1, 2024 – July 31, 2024Rule: Surface Water Treatment RuleEnforcement: Resolving — corrective action underway
TIER 2Unresolved
Exceeded the Maximum Contaminant Level (running average)
When: April 1, 2024 – June 30, 2024Rule: Stage 2 DBPREnforcement: Formal — state order issuedVerify on EPA.gov
TIER 1 — URGENTResolved
Violation related to Nitrate
When: March 1, 2024 – March 31, 2024Rule: Surface Water Treatment RuleEnforcement: Resolving — corrective action underway
TIER 1 — URGENTResolved
Violation related to Nitrate
When: January 1, 2024 – January 31, 2024Rule: Surface Water Treatment RuleEnforcement: Resolving — corrective action underway
TIER 2Unresolved
Exceeded the Maximum Contaminant Level (running average)
When: January 1, 2024 – March 31, 2024Rule: Stage 2 DBPREnforcement: Formal — state order issuedVerify on EPA.gov
TIER 1 — URGENTResolved
Violation related to Nitrate
When: January 1, 2024 – January 31, 2024Rule: Surface Water Treatment RuleEnforcement: Resolving — corrective action underway
TIER 2Unresolved
Exceeded the Maximum Contaminant Level (running average)
When: October 1, 2023 – December 31, 2023Rule: Stage 2 DBPREnforcement: Formal — state order issuedVerify on EPA.gov
TIER 2Unresolved
Exceeded the Maximum Contaminant Level (running average)
When: July 1, 2023 – September 30, 2023Rule: Stage 2 DBPREnforcement: Formal — state order issuedVerify on EPA.gov
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 MANSFIELD WATER SYSTEM
Is MANSFIELD WATER SYSTEM water safe to drink?
MANSFIELD WATER SYSTEM water receives a grade of F (0/100), which is considered failing. 1 contaminant(s) exceed EPA legal limits and 40 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has MANSFIELD WATER SYSTEM detected?
32 contaminants were tested in MANSFIELD WATER SYSTEM's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does MANSFIELD WATER SYSTEM have any EPA violations?
Yes, MANSFIELD WATER SYSTEM has 40 EPA violation(s) on record, with the most recent in 2025. Violation types include TT, MCL, MR. 37 are health-based violations.
How many people does MANSFIELD WATER SYSTEM serve?
MANSFIELD WATER SYSTEM serves approximately 7,512 people, Louisiana.
What type of water does MANSFIELD WATER SYSTEM provide?
MANSFIELD WATER SYSTEM 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 LA1031009.
How does MANSFIELD WATER SYSTEM compare to other utilities in Louisiana?
MANSFIELD WATER SYSTEM 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.