Yokayo Tribe of Indians
EPA ID: CA2300837 · 75 people served · 1 ZIP code
Over five tracked years, Yokayo Tribe of Indians has stayed completely violation-free for its 75 residents.
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 2 (2024) to 1 (2025). The pattern suggests growing compliance challenges.
Service Area Map
Coverage area for Yokayo Tribe of Indians Source: EPA SDWIS service area boundaries.
Service area boundary
💧 Where Does Your Water Come From?
Yokayo Tribe of Indians'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 2% of homes in Mendocino County, California rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
Infrastructure Risk
Comparable Water Systems
Similar-sized systems in California
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
Yokayo Tribe of Indians (EPA ID: CA2300837) is a community water system in California that serves approximately 75 people from groundwater sources.
This system serves ZIP code 95481 in Talmage.
Violation History
Lead & Copper
No Lead and Copper Rule sampling data available for this water system.
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
- 95481 — Talmage
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Yokayo Tribe of Indians (CA2300837) on EPA.gov.
Frequently Asked Questions
Is Yokayo Tribe of Indians water safe to drink?
Based on EPA records, Yokayo Tribe of Indians has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Yokayo Tribe of Indians serve?
Yokayo Tribe of Indians serves approximately 75 people across 1 ZIP code in California.
Where does Yokayo Tribe of Indians get its water?
The primary water source is groundwater.