Water Quality in CASTOR, LA (71016)

EPA violation data for public water systems serving ZIP code 71016.

169

Total Violations

160

Health-Based

Monitoring / Reporting

161

Resolved

What does this mean?

161 of 169 violations have been resolved. 160 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 9 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: 3 Population served: 2,685

Violations Detail (169 total)

Contaminant	Category	MCL Limit	Measured	Date	Status	Health Effects
TTHM	Health-Based	N/A	0.103	Jun 30, 2025	Resolved	N/A
TTHM	Health-Based	N/A	0.103	Jun 30, 2025	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	May 23, 2025	Active	N/A
Groundwater Rule	Health-Based	N/A	N/A	May 23, 2025	Active	N/A
Groundwater Rule	Health-Based	N/A	N/A	May 23, 2025	Active	N/A
Groundwater Rule	Health-Based	N/A	N/A	May 23, 2025	Active	N/A
Groundwater Rule	Health-Based	N/A	N/A	May 23, 2025	Active	N/A
Groundwater Rule	Health-Based	N/A	N/A	May 23, 2025	Active	N/A
TTHM	Health-Based	N/A	0.119	Mar 31, 2025	Resolved	N/A
TTHM	Health-Based	N/A	0.119	Mar 31, 2025	Resolved	N/A
TTHM	Health-Based	N/A	0.119	Mar 31, 2025	Resolved	N/A
TTHM	Health-Based	N/A	0.105	Dec 31, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.105	Dec 31, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.105	Dec 31, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.105	Dec 31, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.105	Dec 31, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.105	Dec 31, 2024	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Nov 30, 2024	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Nov 30, 2024	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Nov 30, 2024	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.062	Sep 30, 2024	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.062	Sep 30, 2024	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.062	Sep 30, 2024	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.062	Sep 30, 2024	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.062	Sep 30, 2024	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.062	Sep 30, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.099	Sep 30, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.099	Sep 30, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.099	Sep 30, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.099	Sep 30, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.099	Sep 30, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.099	Sep 30, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.101	Jun 30, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.101	Jun 30, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.101	Jun 30, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.101	Jun 30, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.082	Mar 31, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.082	Mar 31, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.082	Mar 31, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.082	Mar 31, 2024	Resolved	N/A
TTHM	Health-Based	N/A	0.085	Dec 31, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.085	Dec 31, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.085	Dec 31, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.085	Dec 31, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.085	Dec 31, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.085	Dec 31, 2023	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Nov 9, 2023	Active	N/A
TTHM	Health-Based	N/A	0.087	Sep 30, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.087	Sep 30, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.087	Sep 30, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.087	Sep 30, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.087	Sep 30, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.087	Sep 30, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Aug 1, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.09	Jun 30, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.09	Jun 30, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.09	Jun 30, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.09	Jun 30, 2023	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Jun 30, 2023	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Jun 30, 2023	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Jun 21, 2023	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Jun 21, 2023	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Jun 21, 2023	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Jun 21, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.126	Mar 31, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.126	Mar 31, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.126	Mar 31, 2023	Resolved	N/A
TTHM	Health-Based	N/A	0.126	Mar 31, 2023	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.069	Mar 31, 2023	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.069	Mar 31, 2023	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.069	Mar 31, 2023	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.069	Mar 31, 2023	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.064	Dec 31, 2022	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.064	Dec 31, 2022	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.064	Dec 31, 2022	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.064	Dec 31, 2022	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.064	Dec 31, 2022	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.064	Dec 31, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.145	Dec 31, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.145	Dec 31, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.145	Dec 31, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.145	Dec 31, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.145	Dec 31, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.145	Dec 31, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.15	Sep 30, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.15	Sep 30, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.15	Sep 30, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.15	Sep 30, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.15	Sep 30, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.15	Sep 30, 2022	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.063	Sep 30, 2022	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.063	Sep 30, 2022	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.063	Sep 30, 2022	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.063	Sep 30, 2022	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.063	Sep 30, 2022	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.063	Sep 30, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.157	Jun 30, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.157	Jun 30, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.157	Jun 30, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.157	Jun 30, 2022	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.072	Jun 30, 2022	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.072	Jun 30, 2022	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.072	Jun 30, 2022	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.072	Jun 30, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.172	Mar 31, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.172	Mar 31, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.172	Mar 31, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.172	Mar 31, 2022	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.1	Mar 31, 2022	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.1	Mar 31, 2022	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.1	Mar 31, 2022	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.1	Mar 31, 2022	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Feb 8, 2022	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Feb 8, 2022	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Feb 8, 2022	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Feb 8, 2022	Resolved	N/A
TTHM	Health-Based	N/A	0.162	Dec 31, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.085	Dec 31, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.085	Dec 31, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.085	Dec 31, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.085	Dec 31, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.085	Dec 31, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.085	Dec 31, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.162	Dec 31, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.162	Dec 31, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.162	Dec 31, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.162	Dec 31, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.162	Dec 31, 2021	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Nov 17, 2021	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Nov 17, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.164	Sep 30, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.164	Sep 30, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.164	Sep 30, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.164	Sep 30, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.113	Sep 30, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.113	Sep 30, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.113	Sep 30, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.113	Sep 30, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.113	Sep 30, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.113	Sep 30, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.164	Sep 30, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.164	Sep 30, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.097	Jun 30, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.097	Jun 30, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.097	Jun 30, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.097	Jun 30, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.097	Jun 30, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.097	Jun 30, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.153	Jun 30, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.153	Jun 30, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.153	Jun 30, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.153	Jun 30, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.153	Jun 30, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.153	Jun 30, 2021	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.069	Mar 31, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.069	Mar 31, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.069	Mar 31, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.069	Mar 31, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.069	Mar 31, 2021	Resolved	N/A
Total Haloacetic Acids (HAA5)	Health-Based	N/A	0.069	Mar 31, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.161	Mar 31, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.161	Mar 31, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.161	Mar 31, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.161	Mar 31, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.161	Mar 31, 2021	Resolved	N/A
TTHM	Health-Based	N/A	0.161	Mar 31, 2021	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Feb 20, 2021	Active	N/A

Lead & Copper Levels

Violation Timeline

2025(11)

TTHM

Jun 30Resolved

TTHM

Jun 30Resolved

Groundwater Rule

May 23Active

Groundwater Rule

May 23Active

Groundwater Rule

May 23Active

Groundwater Rule

May 23Active

Groundwater Rule

May 23Active

Groundwater Rule

May 23Active

TTHM

Mar 31Resolved

TTHM

Mar 31Resolved

TTHM

Mar 31Resolved

2024(29)

TTHM

Dec 31Resolved

TTHM

Dec 31Resolved

TTHM

Dec 31Resolved

TTHM

Dec 31Resolved

TTHM

Dec 31Resolved

TTHM

Dec 31Resolved

Revised Total Coliform Rule

Nov 30Resolved

Revised Total Coliform Rule

Nov 30Resolved

Revised Total Coliform Rule

Nov 30Resolved

Total Haloacetic Acids (HAA5)

Sep 30Resolved

Total Haloacetic Acids (HAA5)

Sep 30Resolved

Total Haloacetic Acids (HAA5)

Sep 30Resolved

Total Haloacetic Acids (HAA5)

Sep 30Resolved

Total Haloacetic Acids (HAA5)

Sep 30Resolved

Total Haloacetic Acids (HAA5)

Sep 30Resolved

TTHM

Sep 30Resolved

TTHM

Sep 30Resolved

TTHM

Sep 30Resolved

TTHM

Sep 30Resolved

TTHM

Sep 30Resolved

TTHM

Sep 30Resolved

TTHM

Jun 30Resolved

TTHM

Jun 30Resolved

TTHM

Jun 30Resolved

TTHM

Jun 30Resolved

TTHM

Mar 31Resolved

TTHM

Mar 31Resolved

TTHM

Mar 31Resolved

TTHM

Mar 31Resolved

How Does This Compare?

CASTOR (71016) has 169 recorded violations, including 160 health-based. 8 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 →

Activated Carbon Filter

Excellent for removing chlorine, chloramine, and disinfection byproducts like THMs and HAAs. Available as pitcher filters, countertop, or under-sink units.

Targets:THMs, HAAs, Chlorine, Chloramine, Taste & Odor

Look for:NSF/ANSI 42 & 53 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 CASTOR, LA (71016)

What does this mean?

Violations Detail (169 total)

Lead & Copper Levels

Violation Timeline

2025(11)

2024(29)

2023(32)

2022(44)

2021(53)

How Does This Compare?

Recommended Water Filters

Reverse Osmosis System

Activated Carbon Filter

UV Water Purifier

Nearby ZIP Codes

Check Another ZIP Code