Find Your Permit Application
Get the correct application form for your county - all 44 Idaho counties covered.
Idaho Septic Systems
Your complete resource for septic regulations across all 44 Idaho counties
7 Public Health Districts
Serving all 44 Idaho counties
Welcome to Idaho's Most Complete Septic Resource
Section titled “Welcome to Idaho's Most Complete Septic Resource”Whether you're a homeowner applying for a permit, an installer studying for certification, or an engineer designing a system, you'll find everything you need here. We've collected 97 documents from all 7 Idaho health districts - covering every county in Idaho with 100% completeness.
What Can You Do Here?
Section titled “What Can You Do Here?”Learn Separation Distances
Understand setback requirements for wells, property lines, and water features.
Study for Installer Exam
Access training materials and technical guidance for installer certification.
Explore Alternative Systems
Compare 27+ alternative septic system types and their requirements.
Find Your County on the Map
Hover over any county to see which health district serves your area. Click to view county-specific regulations and forms.
Start Here Based on Your Role
Section titled “Start Here Based on Your Role”🏠 Homeowners
Installing or maintaining a system?
Find permit applications, maintenance guides, grant funding programs, and pre-purchase inspection information.
🔧 Installers
Getting certified or looking up specs?
Access training courses, approved products lists, licensing requirements, and technical specifications.
📐 Engineers & Designers
Designing a complex system?
Review DEQ technical manuals, alternative system requirements, soil evaluation criteria, and design standards.
🏘️ Real Estate Professionals
Helping clients understand septic systems?
Get pre-purchase evaluation guides, system lifespan information, and property transfer requirements.
Browse by Topic
Section titled “Browse by Topic”📋 Permit Applications
Application forms for all 7 health districts
📏 Separation Distances
Setback requirements and distance tables
⚙️ Alternative Systems
Pressure distribution, mounds, ATUs, and more
🎓 Training & Certification
Installer courses and homeowner education
🔧 Maintenance & Repair
System care and troubleshooting guides
💰 Grant Funding
Financial assistance for system installation/repair
👷 Licensed Professionals
Find licensed installers and pumpers in your area
What Makes This Resource Special?
Section titled “What Makes This Resource Special?”100% County Coverage
All 44 Idaho counties documented across 7 health districts - ~1.95 million residents served.
97 Complete Documents
Every identified document collected - permit applications, training materials, technical guidance, and DEQ memorandums.
Statewide DEQ Resources
350-page Technical Guidance Manual, IDAPA regulations, and 20 guidance memorandums (1993-2021).
High-Quality Content
97% text extraction success, 85 high-resolution diagrams (300 DPI), full-text search across all documents.
Recently Updated (November 2025)
Section titled “Recently Updated (November 2025)”Latest Regulatory Updates
Section titled “Latest Regulatory Updates”- May 2025 Rule Changes - South Central District regulatory updates
- Gravelless Systems Guidance - New DEQ guidance on emerging technologies
- 2025 Installer Training - Most current certification course materials
- Lawful Presence Verification - New Central District requirement (July 2025)
Quick Search Tips
Section titled “Quick Search Tips”Collection Statistics
Section titled “Collection Statistics”| Metric | Value |
|---|---|
| Total Documents | 97 PDFs + 85 diagrams |
| Collection Dates | November 3-27, 2025 |
| Geographic Coverage | 44/44 Idaho counties (100%) |
| Total Archive Size | ~131 MB |
| Text Extraction Rate | 97% (72/74 original scanned PDFs) |
| Most Recent Document | November 2025 |
Documents by Health District
Section titled “Documents by Health District”- Panhandle Health District: 7 PDFs (5 northern counties)
- North Central District: 24 PDFs including DEQ resources (5 north-central counties)
- Southwest District: 7 PDFs (6 western counties)
- Central District Health: 19 PDFs (Ada, Boise, Elmore, Valley counties - Boise metro)
- South Central District: 15 PDFs (8 south-central counties)
- Southeastern District: 17 PDFs (8 southeastern counties)
- Eastern Idaho Public Health: 12 PDFs (8 eastern counties)
Important Information
Section titled “Important Information”About This Project
Section titled “About This Project”This knowledgebase was created to provide free, comprehensive, searchable access to Idaho's septic system regulations. It's the most complete public archive available for any U.S. state, covering:
- 📄 All permit applications from 7 health districts
- 📚 Complete installer and homeowner training materials
- 📖 DEQ's 350-page Technical Guidance Manual
- 📋 20 statewide guidance memorandums (1993-2021)
- 🎯 27+ alternative septic system types
- 💰 Grant funding program information
Complementary National Resources
Section titled “Complementary National Resources”For federal guidance complementing Idaho regulations, see the US EPA Septic Systems Program:
- SepticSmart - Homeowner education and maintenance guides
- System Types - Alternative and decentralized technologies
- How to Care for Your System - Maintenance best practices
Maintained by: Ryan Malloy (ryan@supported.systems) License: Public archive for educational and reference purposes Source: Idaho Health Districts and Idaho Department of Environmental Quality
Ready to Get Started?
Section titled “Ready to Get Started?”👉 Quick Start Guide
New here? Start with our quick start guide to find exactly what you need.
🗺️ Browse by District
Find documents specific to your health district and county.
📚 View All Topics
Explore organized by subject - applications, training, maintenance, etc.