🌐 Official Online Resources
Visit the Eastern Idaho Public Health website for:
Current septic permit applications and forms
Fee schedules and payment information
Contact information and office hours
Latest regulatory updates including October 2025 changes
👉 Visit Eastern Idaho Public Health Website →
📍 Service Area
Eastern Idaho - 8 Counties
Bonneville County - Pop. ~123,000 (Idaho Falls - largest city) • GIS Map →
Clark County - Pop. ~790 (Idaho's smallest county, Dubois) • GIS Map →
Custer County - Pop. ~4,400 (Challis, mountain communities) • GIS Map →
Fremont County - Pop. ~13,000 (St. Anthony, Island Park) • GIS Map →
Jefferson County - Pop. ~31,000 (Rigby, growing Rexburg area) • GIS Map →
Lemhi County - Pop. ~8,000 (Salmon, remote mountains) • GIS Map →
Madison County - Pop. ~53,000 (Rexburg, BYU-Idaho) • GIS Map →
Teton County - Pop. ~13,000 (Driggs, Victor - Teton Valley) • GIS Map →
Total Population: ~246,000
Collection Date: November 4, 2025
Document Count: 10 PDFs (2.9 MB)
Most Recent Updates: ⭐ October 2025 (Homeowner Installation Guide)
Source: Eastern Idaho Public Health
Eastern Idaho has the newest documents across all 7 health districts :
October 2025: Homeowner Installation Guide (most recent in collection!)
September 2025: Aggregate list, separation distances
July 2025: Installer and pumper applications
June 2025: Permit applications
This collection represents the bleeding edge of Idaho septic regulations and forms.
The comprehensive Homeowner Installation Guide (October 2025, 555 KB) is one of the most detailed DIY resources, perfect for property owners installing their own systems.
The 2025 Drainfield Aggregate List (September 2025) ensures installers use currently approved materials meeting district standards.
Quick-reference separation distances chart (September 2025) provides field-ready guidance for installers and inspectors.
All documents open in a new tab. Click any PDF below to view the original document.
Eastern Idaho Public Health serves diverse communities from urban Idaho Falls to remote mountain valleys :
Upper Snake River Plain (Idaho Falls metro area)
Teton Valley (Jackson Hole gateway, resort communities)
Remote mountain communities (Lemhi, Custer counties)
Agricultural areas (Jefferson, Fremont - potatoes, grain)
University town (Madison County - BYU-Idaho in Rexburg)
Growing population (suburban expansion from Idaho Falls)
High reliance on septic systems outside Idaho Falls city limits
Seasonal tourism (Island Park, Teton Valley)
⭐ Complete Guide: October 2025 Homeowner Installation Guide
Permit Application: June 2025 application packet
Setback Requirements: September 2025 separation distances
Material Selection: 2025 approved aggregate list
Licensing: July 2025 installer application
Material Sourcing: Current approved aggregate list with contacts
Field Reference: Separation distances quick chart
Compliance: Most current regulatory requirements
Licensing: July 2025 pumper application
Disposal Sites: Septage disposal approval forms
Regulatory Compliance: Current standards
Feasibility Assessment: Speculative evaluation forms
DIY Planning: Homeowner installation guide for cost estimation
Setback Verification: Separation distances chart
Site Planning: Speculative evaluation procedures
Non-Residential Projects: Letter of intended use requirements
Connection Approvals: Existing system connection forms
Design Standards: Separation distances and specifications
Material Standards: Approved aggregate requirements
Flow Calculations: Non-residential wastewater guidance
Eastern Idaho maintains the most current documentation among all Idaho health districts:
Timeline of Updates:
October 2025: Homeowner Installation Guide (most recent!)
September 2025: Aggregate list, separation distances
July 2025: Installer and pumper applications
June 2025: Permit application packet
February-March 2025: Supporting forms
All documents include revision dates making it easy to verify you're using current versions.
Eastern Idaho's unique geography creates specific septic system challenges:
Seasonal population swings
High groundwater in some areas
Premium property values
Stricter environmental expectations
Limited installer availability (Lemhi, Custer counties)
Transportation costs for materials
Challenging site conditions
DIY installation more common
Shallow groundwater concerns
Volcanic soils
Aquifer protection priorities
Agricultural chemical interactions
Student housing density
Rental property systems
Maintenance compliance challenges
Eastern Idaho's collection is invaluable because:
Most current forms - October 2025 updates across the board
Homeowner DIY emphasis - Detailed installation guide
Field-ready references - Quick separation distance charts
Material standards - Current 2025 approved sources
Complete lifecycle - Application through approval documentation
Eastern Idaho Public Health
Visit Website →
Start with the October 2025 Homeowner Installation Guide - it's the most comprehensive DIY resource in the entire knowledgebase and walks through every step.
Use the September 2025 Approved Aggregate List - it has current contact information for all approved suppliers, saving you research time.
Print the Separation Distances chart - it's formatted as a quick reference and will save time on job sites.
Collection archived November 4, 2025. Features the most current documentation in the entire knowledgebase (October 2025). Always verify requirements with the district, though these are likely the newest forms available.