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WaterSafeCheck

Hammond, LA Tap Water Quality

Water safety reports for all 4 ZIP codes in Hammond, Louisiana

Average Score

87/100

Health Violations

4

ZIP Codes

4

High Lead Risk

0

of 4 ZIP codes

A

About Tap Water in Hammond, LA

Tap water in Hammond, LA ranks among the best in the state, maintaining a remarkable average water quality score of 87/100 across its 4 ZIP codes. Based on recent EPA Safe Drinking Water Act compliance records, water provided by City of Hammond Water System and other municipal suppliers has consistently met or exceeded federal safety standards. This top-tier "A" grade reflects strong infrastructure, diligent monitoring by Louisiana Department of Health, and low contaminant levels.

Over the past 5 years, Hammond has recorded 4 health-based violations. While occasional violations can occur due to seasonal changes or temporary infrastructure issues, City of Hammond Water System is legally required to resolve these quickly and notify the public via their annual Consumer Confidence Report. The city's water supply, primarily drawn from ground water, is treated to address these specific contaminants.

Fortunately, the modeled risk for widespread lead exposure in Hammond's municipal water is relatively low compared to national averages. However, because lead typically enters drinking water through the corrosion of older, individual home plumbing rather than the main supply lines, residents in homes built before 1986 should still exercise caution by running the tap before use.

Health-Based Contaminant Violations in Hammond

EPA records indicate that the following contaminants have exceeded Safe Drinking Water Act Maximum Contaminant Levels (MCLs) in Hammond water systems over the past 5 years.

Stage 2 DBP Rule

Note: The presence of a past violation does not necessarily mean current water is unsafe. Utilities are required to take corrective action. Review your Consumer Confidence Report for the latest status.

Water Quality by ZIP Code — Hammond, LA

Click any ZIP code for the full water quality report

A
70402

Hammond, LA

Score: 94/1001 violation
A
70404

Hammond, LA

Score: 94/1001 violation
B
70401

Hammond, LA

Score: 79/1001 violation
B
70403

Hammond, LA

Score: 79/1001 violation

Frequently Asked Questions — Hammond Water Quality

Is tap water safe to drink in Hammond, LA?+
Yes — tap water in Hammond meets all federal EPA standards and earns a A grade. It is generally safe for healthy adults. As always, running your tap for 30 seconds before use and using a filter adds extra protection for vulnerable populations.
What is the water quality score for Hammond?+
The average water quality score across 4 ZIP codes in Hammond, LA is 87/100. Scores are derived from EPA violation history, lead levels, enforcement actions, and infrastructure risk indicators. Individual ZIP codes may vary — search your specific ZIP above for a personalized report.
Does Hammond have lead in its tap water?+
Lead risk ratings in Hammond are relatively low based on EPA monitoring data. However, lead in home plumbing is a separate concern — if your home was built before 1986, individual tap testing is recommended.
How do I get the water quality report for Hammond?+
Each ZIP code in Hammond has a full water quality report on this site — click any ZIP code below. You can also get the annual Consumer Confidence Report (CCR) from your local water utility. The CCR is required to be published every year by July 1 and contains actual contaminant measurements and violation history.
Where does Hammond's tap water come from?+
Tap water in Hammond, LA primarily comes from ground water. Groundwater systems pump water from underground aquifers, which is naturally filtered through soil and rock but can still contain naturally occurring contaminants.

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