Public Water System

MEKORYUK WASHETERIA RESERVOIR

PWSID AK2271562 · Alaska · 198 people served

Good

MEKORYUK WASHETERIA RESERVOIR is an EPA-regulated public water system in Alaska (PWSID AK2271562). It serves an estimated 198 residents — a rural community of customers — across 1 community across 1 ZIP code.

Over the past five years, MEKORYUK WASHETERIA RESERVOIR has recorded 1 EPA health-based violation. The grade of B summarizes this compliance pattern. Specific contaminants, dates, and rule citations are listed in the violation history below.

Service Area

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Centered on the averaged ZIP-code centroid of 1 ZIP served.

Population

198

Cities

ZIPs

Violations

EPA Health-Based Violations

Health-based Maximum Contaminant Level (MCL) violations on file for MEKORYUK WASHETERIA RESERVOIR over the past five years of EPA SDWIS reporting.

E. Colimicrobial

EPA Code 0300 · Treatment Technique Violation

violation

EPA Limit

0 per 100 mL presence/absence

Last Reading

—

First Reported

Jan 2024

Most Recent

Jan 2024

What this violation means

E. coli detection is an EPA Tier 1 acute violation, requiring same-day public notification. It confirms that fecal matter has entered the drinking water supply, posing immediate health risks — particularly to children, the elderly, and immunocompromised individuals.

Recommended precautions

→Do not drink the water until the utility has lifted the advisory.
→Boil water for at least one minute (three minutes at elevations above 6,500 ft).
→Disinfect dishes and surfaces that touched contaminated water.
→Seek medical attention if you develop bloody diarrhea or persistent vomiting.

Read the complete guide to E. Coli

Source: EPA Safe Drinking Water Information System (SDWIS). Health-based violations only. Older violations may have been resolved; check your utility's most recent Consumer Confidence Report for current status.

Cities Served by MEKORYUK WASHETERIA RESERVOIR

MEKORYUK

ZIP Codes Served

99630

About this system

EPA records this system as PWSID AK2271562. Data reflects the most recent EPA SDWIS publication as of 2026-05-18. Public Water System Identifiers (PWSIDs) are assigned by the EPA's Safe Drinking Water Act program to track every regulated water utility in the United States. The first two letters typically indicate the state primacy agency. For real-time water quality information, contact MEKORYUK WASHETERIA RESERVOIR directly or review their annual Consumer Confidence Report (CCR).