🗺️ I Know My County
Start here if you know which county you're in
Click your county on the interactive map to see your health district's resources.
This knowledgebase contains septic system regulations, applications, and resources from all 7 Idaho health districts covering all 44 counties. Here's how to find what you need quickly.
🗺️ I Know My County
Start here if you know which county you're in
Click your county on the interactive map to see your health district's resources.
👤 I Know My Role
Start here if you're a homeowner, installer, engineer, etc.
Find resources organized by what you do.
📋 I Know What I Need
Start here if you need a specific form or topic
Find resources organized by subject (applications, training, etc.).
🔍 I'll Just Search
Press Ctrl+K to search everything
Search across all documents, districts, and topics.
Try searching: "installer application", "separation distances", "homeowner guide"
Idaho has 7 health districts serving 44 counties:
Panhandle (5 counties)
Benewah, Bonner, Boundary, Kootenai, Shoshone
North Central (5 counties)
Clearwater, Idaho, Latah, Lewis, Nez Perce
Southwest (6 counties)
Adams, Canyon, Gem, Owyhee, Payette, Washington
Central - CDH (4 counties)
Ada, Boise, Elmore, Valley
South Central (8 counties)
Blaine, Camas, Cassia, Gooding, Jerome, Lincoln, Minidoka, Twin Falls
Southeastern (8 counties)
Bannock, Bear Lake, Bingham, Butte, Caribou, Franklin, Oneida, Power
Eastern Idaho (8 counties)
Bonneville, Clark, Custer, Fremont, Jefferson, Lemhi, Madison, Teton
Each district page provides:
View PDFs
Original fillable forms and documents
Click "Browse All PDFs" on any district page
Search Text
Plain text versions for keyword searching
Click "Searchable Text" on any district page
Read Details
Complete documentation and guidance
Click "Detailed README" on any district page
Apply for a septic permit
Get installer certification
Best Training: North Central District (98-page basic, 63-page complex)
Evaluate property before purchase
Find separation distance requirements
Learn about alternative systems
Maintain my existing system
November 3-4, 2025 - All documents collected within 2 days for consistency
Most Recent Updates:
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Can't Find Your County?
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Or check the district list above.
Forms Out of Date?
This is an archive from November 2025. Always verify current forms with your health district.
Contact info is on each district page.
Need Spanish Resources?
Spanish translations are in development. For now, contact your health district directly for language assistance.
Always verify current requirements, fees, and forms with your health district before submitting applications.
Each district page has current contact information and office locations.
Ready to explore? Start with the interactive map or search (Ctrl+K) for what you need!