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F12/100

GRAYSON WATER SYSTEM — Water Quality Report 2026

Serving 1,461 people · Louisiana

Water Source
Groundwater
County
—
System ID
LA1021005
Violations
28

Contaminant Test Results

EPA Violation History

16

Violations (last 5yr)

13

Unresolved

12

Health-Related

TIER 2Unresolved

Exceeded the Maximum Contaminant Level (running average)

When: April 1, 2025 – June 30, 2025Rule: Stage 2 DBPREnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 2Unresolved

Exceeded the Maximum Contaminant Level (running average)

When: January 1, 2025 – March 31, 2025Rule: Stage 2 DBPREnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 3Resolved

Reporting violation

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: October 17, 2024 – November 26, 2024Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 2Resolved

Treatment technique violation

When: October 17, 2024 – December 5, 2024Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved

Surface water treatment technique failure

When: July 1, 2024 – June 5, 2024Enforcement: Resolving — corrective action underway
TIER 3Unresolved

Disinfection byproduct treatment technique failure

When: January 24, 2024Rule: Ground Water RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 2Unresolved

Violation related to Consumer Confidence Report

When: December 11, 2023Rule: Consumer Confidence RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 2Unresolved

Violation related to Consumer Confidence Report

When: December 11, 2023Rule: Consumer Confidence RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 3Unresolved

Disinfection byproduct treatment technique failure

When: January 13, 2022Rule: Ground Water RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 2Unresolved

Violation related to Consumer Confidence Report

When: December 7, 2021Rule: Consumer Confidence RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 2Unresolved

Violation related to Consumer Confidence Report

When: December 7, 2021Rule: Consumer Confidence RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 2Unresolved

Violation related to Consumer Confidence Report

When: December 7, 2021Rule: Consumer Confidence RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 2Unresolved

Violation related to Consumer Confidence Report

When: December 7, 2021Rule: Consumer Confidence RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 2Unresolved

Violation related to Consumer Confidence Report

When: December 7, 2021Rule: Consumer Confidence RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 2Unresolved

Violation related to Consumer Confidence Report

When: December 7, 2021Rule: Consumer Confidence RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 2Unresolved

Violation related to Consumer Confidence Report

When: December 7, 2021Rule: Consumer Confidence RuleEnforcement: Informal — resolved cooperativelyVerify 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 GRAYSON WATER SYSTEM

Is GRAYSON WATER SYSTEM water safe to drink?

GRAYSON WATER SYSTEM water receives a grade of F (12/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 28 violation(s) are on record. Customers may want to consider using a water filter.

What contaminants has GRAYSON WATER SYSTEM detected?

1 contaminants were tested in GRAYSON WATER SYSTEM's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.

Does GRAYSON WATER SYSTEM have any EPA violations?

Yes, GRAYSON WATER SYSTEM has 28 EPA violation(s) on record, with the most recent in 2025. Violation types include MCL, RPT, TT. 15 are health-based violations.

How many people does GRAYSON WATER SYSTEM serve?

GRAYSON WATER SYSTEM serves approximately 1,461 people, Louisiana.

What type of water does GRAYSON WATER SYSTEM provide?

GRAYSON WATER SYSTEM sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is LA1021005.

How does GRAYSON WATER SYSTEM compare to other utilities in Louisiana?

GRAYSON WATER SYSTEM scores 12/100 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.