Shageluk Water System
EPA ID: AK2280040 · 60 people served · 1 ZIP code
Federal data shows 14 unresolved violations at Shageluk Water System — roughly 60 residents in the service area.
Data: EPA SDWIS Last verified: 2026-04-02
Compliance Trajectory
Worsening · Risk tier: High · 95% chance of violation in next 12 months
Violations went from 1 (2023) to 4 (2025). The pattern suggests growing compliance challenges.
Service Area Map
Coverage area for Shageluk Water System Source: EPA SDWIS service area boundaries.
Service area boundary — Grade A
💧 Where Does Your Water Come From?
Shageluk Water System's water is pumped from underground aquifers. Groundwater is naturally filtered through rock and soil, but it can be vulnerable to PFAS contamination, nitrates from agriculture, and industrial chemicals that seep into the water table.
About 38% of homes in Yukon-Koyukuk Census Area, Alaska rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
Infrastructure Risk
Detected Contaminants
How Shageluk Water System compares to EPA limits
What This Means For You
Lead at 2 mg/L (action level) exceeds the EPA maximum of 0.015 mg/L (action level). Brain damage in children, kidney & blood pressure in adults. Consider reverse osmosis filtration.
Total Trihalomethanes (TTHM) at 3 mg/L exceeds the EPA maximum of 0.08 mg/L. Bladder & rectal cancer risk; reproductive concerns. Consider granular activated carbon (GAC) filtration.
Consumer Confidence Report Rule at 31 mg/L exceeds the EPA maximum of mg/L.
Contaminant 0700 at 19 mg/L exceeds the EPA maximum of mg/L.
Revised Total Coliform Rule at 15 presence exceeds the EPA maximum of presence.
Lead was detected in this water system. reverse osmosis filtration can reduce exposure.
Find a certified water filter →Comparable Water Systems
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Estimated Remediation Costs
Average estimated costs across ZIP codes served by this system
Based on national averages for common remediation projects. Actual costs vary by property. Only issues flagged by EPA, FEMA, or state data for each ZIP code are included.
System Overview
Shageluk Water System (EPA ID: AK2280040) is a community water system in Alaska that serves approximately 60 people from groundwater sources.
This system serves ZIP code 99665 in Shageluk.
Average Home Safety Score: A (87/100)
Based on water quality violations, lead levels, and radon risk across all ZIP codes served by this system.
Violation History
Recent Violations
| Date | Contaminant | Type | Status |
|---|---|---|---|
| August 1, 2025 | Contaminant 0700 | Health-based | Unresolved |
| July 1, 2025 | Contaminant 0700 | Health-based | Unresolved |
| May 1, 2025 | Contaminant 0700 | Monitoring | Unresolved |
| March 1, 2025 | Contaminant 0700 | Health-based | Resolved |
| January 1, 2025 | Stage 1 DBP Rule | Monitoring | Resolved |
| January 1, 2025 | Contaminant 0700 | Monitoring | Resolved |
| November 1, 2024 | Consumer Confidence Report Rule | Monitoring | Resolved |
| November 1, 2024 | Contaminant 0700 | Monitoring | Resolved |
| November 1, 2024 | Revised Total Coliform Rule | Monitoring | Resolved |
| October 1, 2024 | Consumer Confidence Report Rule | Monitoring | Resolved |
| October 1, 2024 | Contaminant 0700 | Monitoring | Resolved |
| October 1, 2024 | Revised Total Coliform Rule | Monitoring | Resolved |
| September 1, 2024 | Contaminant 0700 | Monitoring | Resolved |
| August 1, 2024 | Consumer Confidence Report Rule | Monitoring | Resolved |
| August 1, 2024 | Contaminant 0700 | Monitoring | Resolved |
| August 1, 2024 | Revised Total Coliform Rule | Monitoring | Resolved |
| July 1, 2024 | Stage 1 DBP Rule | Monitoring | Resolved |
| July 1, 2024 | Consumer Confidence Report Rule | Monitoring | Resolved |
| July 1, 2024 | Contaminant 0700 | Monitoring | Resolved |
| July 1, 2024 | Revised Total Coliform Rule | Monitoring | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Consumer Confidence Report Rule | Reporting Failure | 31 | Yes |
| Contaminant 0700 | Other Violation | 19 | Yes |
| Revised Total Coliform Rule | Microbiological | 15 | No |
| Stage 1 DBP Rule | Treatment Failure | 6 | No |
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 3 | No |
| Lead | Inorganic | 2 | No |
| Surface Water Treatment Rule | Treatment Failure | 2 | No |
| Total Coliform | Microbiological | 1 | No |
Lead & Copper
EPA Lead and Copper Rule sampling data for ZIP codes served by this system:
| ZIP Code | Lead Level | Exceeds Limit | Sample Date |
|---|---|---|---|
| 99665 | 0.00071 mg/L | No | N/A |
Radon Risk in Service Area
Dominant radon zone for ZIP codes served by this system: Zone 3 (Low Risk)
Need help with your water quality?
Typical cost: Water test: typically $20–$50 (DIY kit) · Professional inspection: $150–$400
Find the Right Water FilterFree tip: Let cold water run for 2 minutes before drinking — this helps flush lead from your pipes.
ZIP Codes Served
- 99665 — Shageluk
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Shageluk Water System (AK2280040) on EPA.gov.
Frequently Asked Questions
Is Shageluk Water System water safe to drink?
Shageluk Water System has recorded 4 health-based violations in the past 5 years. While the system is required to treat water to meet federal standards, you may want to consider additional precautions such as a certified water filter.
How many people does Shageluk Water System serve?
Shageluk Water System serves approximately 60 people across 1 ZIP code in Alaska.
Where does Shageluk Water System get its water?
The primary water source is groundwater.
Water Source & Treatment
Where this water originates and how it's treated before reaching your tap.
Source: SHAGELUK WATER SYSTEM Consumer Confidence Report.
ZipCheckup is not affiliated with this water utility. Treatment and source data are sourced from the utility's published CCR filings.
Lead Service Line Inventory
Service line breakdown reported under the federal Lead and Copper Rule Improvements (LCRI) inventory requirement:
This system reports zero confirmed lead service lines in its inventory. Unknown-material counts may still warrant verification.
Federal LCRI rule (effective October 2024) requires every public water system to inventory its service lines and complete lead-line replacement within 10 years.
Source: EPA SDWIS Federal Service Line Inventory (Phase 2) · Submitted 2026
ZipCheckup is not affiliated with the utility or state agency. Inventory figures render verbatim from the public LCRI submission cited above; ZipCheckup does not perform inspections or replacements.
Frequently Asked Questions
What You Can Do
Test your water
Home test kits can detect lead, bacteria, and other contaminants at your tap. Find the right filter →
Check your specific ZIP code
Water quality can vary within a system. View nearest ZIP report →
Contact your utility
Shageluk Water System (EPA ID: AK2280040) — request the latest Consumer Confidence Report or ask about specific contaminants.