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WaterSafeCheck

Mammoth Spring, AR Tap Water Quality

Water safety reports for all 1 ZIP code in Mammoth Spring, Arkansas

Average Score

45/100

Health Violations

26

ZIP Codes

1

High Lead Risk

0

of 1 ZIP codes

D

About Tap Water in Mammoth Spring, AR

Tap water quality in Mammoth Spring, AR is a significant concern, currently receiving a below-average safety score of 45/100 across 1 ZIP code. With 26 health-based violations recorded in the past 5 years, systems like Mammoth Spring Waterworks have struggled to maintain compliance with EPA regulations enforced by Arkansas Department of Health. Residents are strongly encouraged to utilize certified water filtration systems.

The accumulation of 26 health-based violations over the past 5 years highlights systemic challenges within Mammoth Spring's water infrastructure. When violations occur, it means that drinking water tests revealed contaminant levels exceeding safe limits, triggering mandatory corrective actions by Arkansas Department of Health. The city relies on ground water, which may require significant treatment upgrades to address these recurring issues.

Fortunately, the modeled risk for widespread lead exposure in Mammoth Spring'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 Mammoth Spring

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

Consumer Confidence Report RuleContaminant 0700Chlorine residual

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 — Mammoth Spring, AR

Click any ZIP code for the full water quality report

D
72554

Mammoth Spring, AR

Score: 45/10026 violations

Frequently Asked Questions — Mammoth Spring Water Quality

Is tap water safe to drink in Mammoth Spring, AR?+
Tap water in Mammoth Spring has a grade of D, indicating compliance concerns in recent years. Families with young children or pregnant women should consider using a certified NSF/ANSI 53 water filter for drinking and cooking.
What is the water quality score for Mammoth Spring?+
The average water quality score across 1 ZIP code in Mammoth Spring, AR is 45/100. 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 Mammoth Spring have lead in its tap water?+
Lead risk ratings in Mammoth Spring 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 Mammoth Spring?+
Each ZIP code in Mammoth Spring 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 Mammoth Spring's tap water come from?+
Tap water in Mammoth Spring, AR 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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