Water Quality in DOYLINE, LA (71023)

EPA violation data for public water systems serving ZIP code 71023.

121

Total Violations

Health-Based

Monitoring / Reporting

Resolved

What does this mean?

75 of 121 violations have been resolved. 93 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 28 are monitoring or reporting violations (missed testing deadlines or late paperwork — not necessarily a water quality issue). Not all violations mean your water is unsafe. The EPA requires reporting even for minor administrative issues.

Water systems: 10 Population served: 4,707

Violations Detail (121 total)

Contaminant	Category	MCL Limit	Measured	Date	Status	Health Effects
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jul 9, 2025	Active	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jul 9, 2025	Active	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	May 18, 2025	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	May 18, 2025	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Feb 21, 2025	Active	N/A
Public Notice	Monitoring	N/A	N/A	Feb 21, 2025	Active	N/A
Public Notice	Monitoring	N/A	N/A	Dec 30, 2024	Active	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Nov 6, 2024	Active	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Nov 6, 2024	Active	N/A
Public Notice	Monitoring	N/A	N/A	Oct 22, 2024	Active	N/A
LEAD AND COPPER RULE REVISIONS	Monitoring	N/A	N/A	Oct 16, 2024	Resolved	N/A
LEAD AND COPPER RULE REVISIONS	Health-Based	N/A	N/A	Oct 16, 2024	Resolved	N/A
LEAD AND COPPER RULE REVISIONS	Health-Based	N/A	N/A	Oct 16, 2024	Active	N/A
LEAD AND COPPER RULE REVISIONS	Monitoring	N/A	N/A	Oct 16, 2024	Active	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Sep 30, 2024	Active	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Sep 30, 2024	Active	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Sep 30, 2024	Active	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Sep 30, 2024	Active	N/A
Groundwater Rule	Health-Based	N/A	N/A	Sep 15, 2024	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Sep 15, 2024	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Sep 15, 2024	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Sep 15, 2024	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Sep 15, 2024	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Sep 15, 2024	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Sep 15, 2024	Active	N/A
Groundwater Rule	Health-Based	N/A	N/A	Sep 15, 2024	Active	N/A
Groundwater Rule	Health-Based	N/A	N/A	Sep 15, 2024	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Sep 15, 2024	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Sep 15, 2024	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Sep 15, 2024	Active	N/A
Groundwater Rule	Health-Based	N/A	N/A	Sep 15, 2024	Active	N/A
Groundwater Rule	Health-Based	N/A	N/A	Sep 15, 2024	Active	N/A
Groundwater Rule	Health-Based	N/A	N/A	Sep 15, 2024	Active	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Jun 30, 2024	Active	N/A
Public Notice	Monitoring	N/A	N/A	Feb 7, 2024	Active	N/A
Groundwater Rule	Health-Based	N/A	N/A	Dec 5, 2023	Active	N/A
Groundwater Rule	Health-Based	N/A	N/A	Dec 5, 2023	Active	N/A
Groundwater Rule	Health-Based	N/A	N/A	Dec 5, 2023	Active	N/A
Groundwater Rule	Health-Based	N/A	N/A	Dec 5, 2023	Active	N/A
Groundwater Rule	Health-Based	N/A	N/A	Dec 5, 2023	Active	N/A
Groundwater Rule	Health-Based	N/A	N/A	Dec 5, 2023	Active	N/A
Groundwater Rule	Health-Based	N/A	N/A	Dec 5, 2023	Active	N/A
Groundwater Rule	Health-Based	N/A	N/A	Dec 5, 2023	Active	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Nov 30, 2023	Active	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Nov 9, 2023	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Nov 9, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Sep 19, 2023	Active	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Aug 11, 2023	Active	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Aug 11, 2023	Active	N/A
Public Notice	Monitoring	N/A	N/A	Jun 20, 2023	Active	N/A
Groundwater Rule	Health-Based	N/A	N/A	May 10, 2023	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	May 10, 2023	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	May 10, 2023	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	May 10, 2023	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	May 10, 2023	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	May 10, 2023	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	May 10, 2023	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	May 10, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Feb 8, 2023	Active	N/A
Public Notice	Monitoring	N/A	N/A	Feb 8, 2023	Active	N/A
Groundwater Rule	Health-Based	N/A	N/A	Dec 28, 2022	Active	N/A
Groundwater Rule	Health-Based	N/A	N/A	Dec 28, 2022	Active	N/A
Groundwater Rule	Health-Based	N/A	N/A	Dec 25, 2022	Active	N/A
Groundwater Rule	Health-Based	N/A	N/A	Dec 25, 2022	Active	N/A
Groundwater Rule	Health-Based	N/A	N/A	Dec 25, 2022	Active	N/A
Groundwater Rule	Health-Based	N/A	N/A	Dec 25, 2022	Active	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Sep 12, 2022	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Sep 12, 2022	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Sep 12, 2022	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Sep 12, 2022	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Sep 12, 2022	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Sep 12, 2022	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Sep 12, 2022	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Sep 12, 2022	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Sep 12, 2022	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Sep 12, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Nov 10, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Nov 10, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Aug 6, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Aug 6, 2021	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jul 14, 2021	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jul 14, 2021	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jul 14, 2021	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jul 14, 2021	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jul 14, 2021	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jul 14, 2021	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jul 14, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	May 10, 2021	Active	N/A
Groundwater Rule	Health-Based	N/A	N/A	Mar 22, 2021	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Mar 22, 2021	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Mar 22, 2021	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Mar 22, 2021	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Mar 22, 2021	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Mar 22, 2021	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Mar 22, 2021	Active	N/A
Groundwater Rule	Health-Based	N/A	N/A	Mar 22, 2021	Active	N/A
Groundwater Rule	Health-Based	N/A	N/A	Mar 22, 2021	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Mar 22, 2021	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Mar 22, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Mar 17, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Mar 17, 2021	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Mar 5, 2021	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Mar 5, 2021	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Mar 5, 2021	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Mar 5, 2021	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Mar 5, 2021	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Mar 5, 2021	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Mar 5, 2021	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Mar 5, 2021	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Mar 5, 2021	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Mar 5, 2021	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Mar 5, 2021	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Mar 5, 2021	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Mar 5, 2021	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Mar 5, 2021	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Mar 5, 2021	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Mar 5, 2021	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Mar 5, 2021	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Mar 5, 2021	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Mar 5, 2021	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Mar 5, 2021	Resolved	N/A

Lead & Copper Levels

Violation Timeline

2025(6)

Revised Total Coliform Rule

Jul 9Active

Revised Total Coliform Rule

Jul 9Active

Lead and Copper Rule

May 18Resolved

Lead and Copper Rule

May 18Resolved

Public Notice

Feb 21Active

Public Notice

Feb 21Active

2024(29)

Public Notice

Dec 30Active

Revised Total Coliform Rule

Nov 6Active

Revised Total Coliform Rule

Nov 6Active

Public Notice

Oct 22Active

LEAD AND COPPER RULE REVISIONS

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

Oct 16Active

LEAD AND COPPER RULE REVISIONS

Oct 16Active

Lead and Copper Rule

Sep 30Active

Lead and Copper Rule

Sep 30Active

Lead and Copper Rule

Sep 30Active

Lead and Copper Rule

Sep 30Active

Groundwater Rule

Sep 15Resolved

Groundwater Rule

Sep 15Resolved

Groundwater Rule

Sep 15Resolved

Groundwater Rule

Sep 15Resolved

Groundwater Rule

Sep 15Resolved

Groundwater Rule

Sep 15Resolved

Groundwater Rule

Sep 15Active

Groundwater Rule

Sep 15Active

Groundwater Rule

Sep 15Resolved

Groundwater Rule

Sep 15Resolved

Groundwater Rule

Sep 15Resolved

Groundwater Rule

Sep 15Active

Groundwater Rule

Sep 15Active

Groundwater Rule

Sep 15Active

Groundwater Rule

Sep 15Active

Consumer Confidence Rule

Jun 30Active

Public Notice

Feb 7Active

How Does This Compare?

DOYLINE (71023) has 121 recorded violations, including 93 health-based. 46 remain unresolved. Consider testing your tap water independently for added peace of mind.

Recommended Water Filters

Based on the contaminants detected in your area, these filter types may help improve your water quality.

Reverse Osmosis System

Highly effective at removing heavy metals, dissolved solids, and a wide range of contaminants. Recommended for homes with lead or arsenic concerns.

Targets:Lead, Copper, Arsenic, Mercury, Cadmium

Look for:NSF/ANSI 58 certified

NSF Certified Products → EPA Safe Drinking Water Guide →

UV Water Purifier

Uses ultraviolet light to neutralize bacteria, viruses, and parasites without chemicals. Ideal for homes with microbial contamination concerns.

Targets:E. coli, Coliform, Giardia, Cryptosporidium

Look for:NSF/ANSI 55 (Class A) certified

NSF Certified Products → EPA Safe Drinking Water Guide →

Always look for filters certified by NSF International for the specific contaminants you want to remove.

Water Quality in DOYLINE, LA (71023)

What does this mean?

Violations Detail (121 total)

Lead & Copper Levels

Violation Timeline

2025(6)

2024(29)

2023(25)

2022(16)

2021(45)

How Does This Compare?

Recommended Water Filters

Reverse Osmosis System

UV Water Purifier

Nearby ZIP Codes

Check Another ZIP Code