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F0/100

DAUPHIN ISLAND WATER & SEWER — Water Quality Report 2026

Serving 5,802 people · Alabama

Water Source
Groundwater
County
—
System ID
AL0000971
Violations
107

Contaminant Test Results

1 contaminant above EPA health goals
ContaminantDetectedLimit (MCL)Status
Lead (90th percentile)
0.001 mg/L0.015 mg/LAbove Goal

EPA Violation History

4

Violations (last 5yr)

2

Unresolved

0

Health-Related

TIER 3Resolved

Exceeded the MCL for disinfection byproducts

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

When: July 1, 2022 – October 22, 2021Enforcement: Resolving — corrective action underway
TIER 3Unresolved

Exceeded the MCL for disinfection byproducts

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

When: July 1, 2022 – September 30, 2022Verify on EPA.gov
TIER 3Unresolved

Exceeded the MCL for disinfection byproducts

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

When: July 1, 2022 – September 30, 2022Verify on EPA.gov
TIER 3Resolved

Exceeded the MCL for disinfection byproducts

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

When: July 1, 2022 – October 22, 2021Enforcement: 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 DAUPHIN ISLAND WATER & SEWER

Is DAUPHIN ISLAND WATER & SEWER water safe to drink?

DAUPHIN ISLAND WATER & SEWER water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 107 violation(s) are on record. Customers may want to consider using a water filter.

What contaminants has DAUPHIN ISLAND WATER & SEWER detected?

31 contaminants were tested in DAUPHIN ISLAND WATER & SEWER's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).

Does DAUPHIN ISLAND WATER & SEWER have any EPA violations?

Yes, DAUPHIN ISLAND WATER & SEWER has 107 EPA violation(s) on record, with the most recent in 2022. Violation types include MR, MCL. 13 are health-based violations.

How many people does DAUPHIN ISLAND WATER & SEWER serve?

DAUPHIN ISLAND WATER & SEWER serves approximately 5,802 people, Alabama. The system provides water to 1 community: Dauphin Island.

What type of water does DAUPHIN ISLAND WATER & SEWER provide?

DAUPHIN ISLAND WATER & SEWER sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is AL0000971.

How does DAUPHIN ISLAND WATER & SEWER compare to other utilities in Alabama?

DAUPHIN ISLAND WATER & SEWER scores 0/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our Alabama state page for a full comparison of water systems.

Cities Served

Dauphin Island