Tetlin Utility System
EPA ID: AK2380638 · 150 people served · 2 ZIP codes
Tetlin Utility System carries 5 resolved violations in the five-year EPA record — each has been formally closed, and the supplier, which serves approximately 150 people, now meets all applicable federal drinking water standards with no open enforcement activity remaining.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Map
Coverage area for Tetlin Utility System Source: EPA SDWIS service area boundaries.
Service area boundary — Grade B
Service Area Demographics
The Tetlin Utility System serves a community with a median household income of $43,929 and an estimated 1,790 residents across its service area.
Environmental Justice Note: 50% of the population in this service area is classified as disadvantaged under EPA's EJScreen criteria. Communities with higher disadvantaged populations often face disproportionate environmental and health burdens, including aging water infrastructure and limited resources for remediation.
💧 Where Does Your Water Come From?
Tetlin Utility 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 16% of homes in Southeast Fairbanks 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 Tetlin Utility System compares to EPA limits
What This Means For You
Consumer Confidence Report Rule at 3 mg/L exceeds the EPA maximum of mg/L.
Total Organic Carbon at 1 mg/L exceeds the EPA maximum of mg/L.
Stage 1 DBP Rule at 1 mg/L exceeds the EPA maximum of mg/L.
Comparable Water Systems
Similar-sized systems in Alaska
System Overview
Tetlin Utility System (EPA ID: AK2380638) is a community water system in Alaska that serves approximately 150 people from groundwater sources.
This system provides water to 2 ZIP codes across 1 community.
Average Home Safety Score: B (81/100)
Based on water quality violations, lead levels, and radon risk across all ZIP codes served by this system.
Violation History
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 | 3 | No |
| Total Organic Carbon | Disinfection Byproducts | 1 | No |
| Stage 1 DBP Rule | Treatment Failure | 1 | No |
Lead & Copper
EPA Lead and Copper Rule sampling data for ZIP codes served by this system:
Radon Risk in Service Area
Dominant radon zone for ZIP codes served by this system: Zone 2 (Moderate Risk)
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
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
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Tetlin Utility System (AK2380638) on EPA.gov.
Frequently Asked Questions
Is Tetlin Utility System water safe to drink?
Tetlin Utility System has only monitoring/reporting violations, which are procedural in nature. The system meets federal health-based standards.
How many people does Tetlin Utility System serve?
Tetlin Utility System serves approximately 150 people across 2 ZIP codes in Alaska.
Where does Tetlin Utility 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: Tetlin Utility 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
Tetlin Utility System (EPA ID: AK2380638) — request the latest Consumer Confidence Report or ask about specific contaminants.