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WaterSafeCheck

Nondalton, AK Tap Water Quality

Water safety reports for all 1 ZIP code in Nondalton, Alaska

Average Score

87/100

Health Violations

7

ZIP Codes

1

High Lead Risk

0

of 1 ZIP codes

A

About Tap Water in Nondalton, AK

Tap water in Nondalton, AK ranks among the best in the state, maintaining a remarkable average water quality score of 87/100 across its 1 ZIP code. Based on recent EPA Safe Drinking Water Act compliance records, water provided by Nondalton and other municipal suppliers has consistently met or exceeded federal safety standards. This top-tier "A" grade reflects strong infrastructure, diligent monitoring by Alaska Department of Environmental Conservation, and low contaminant levels.

The accumulation of 7 health-based violations over the past 5 years highlights systemic challenges within Nondalton's water infrastructure. When violations occur, it means that drinking water tests revealed contaminant levels exceeding safe limits, triggering mandatory corrective actions by Alaska Department of Environmental Conservation. The city relies on surface water, which may require significant treatment upgrades to address these recurring issues.

Fortunately, the modeled risk for widespread lead exposure in Nondalton'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 Nondalton

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

E. coliFecal Coliform

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 — Nondalton, AK

Click any ZIP code for the full water quality report

A
99640

Nondalton, AK

Score: 87/1007 violations

Frequently Asked Questions — Nondalton Water Quality

Is tap water safe to drink in Nondalton, AK?+
Yes — tap water in Nondalton 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 Nondalton?+
The average water quality score across 1 ZIP code in Nondalton, AK 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 Nondalton have lead in its tap water?+
Lead risk ratings in Nondalton 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 Nondalton?+
Each ZIP code in Nondalton 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 Nondalton's tap water come from?+
Tap water in Nondalton, AK primarily comes from surface water. Surface water systems treat water from rivers, lakes, or reservoirs using filtration, sedimentation, and disinfection before it reaches your tap.

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