🌐 Official Online Resources
Visit the South Central Public Health District website for:
Current septic permit applications and forms
Interactive GIS map for viewing septic system locations
Fee schedules and payment information
Contact information and office hours
Latest regulatory updates including May 2025 rule changes
👉 Visit South Central Public Health Website →
👉 View Septic Systems Map (ArcGIS) →
📍 Service Area
This collection contains the most recent regulatory guidance including:
May 2025 rule changes documentation
Gravelless systems guidance (emerging technology)
Unique Policies 795 and 799 establish minimum acreage requirements:
Policy 795: 1-acre minimum lot size requirements
Policy 799: Alternative standards for lots < 1 acre
These policies are not found in other Idaho health districts .
2025 Installer Training Course (20 MB) - one of the largest and most comprehensive training resources in the entire knowledgebase.
"Before You Buy to Build" guide (4.8 MB) - comprehensive property evaluation resource for prospective buyers.
All documents open in a new tab. Click any PDF below to view the original document.
South Central Public Health District serves Idaho's agricultural heartland and resort communities :
Sun Valley resort area (Blaine County - high-end development)
Agricultural dominance (dairy, potatoes, sugar beets, aquaculture)
Snake River Plain (fertile volcanic soil)
Twin Falls - Regional commercial hub
Magic Valley - Major agricultural production area
Rural character throughout most of district
Varied topography from desert to mountains
Pre-Purchase Due Diligence: "Before You Buy to Build" guide
Site Evaluation: Understanding soil testing and feasibility
Cost Estimation: What to expect for septic installation
Red Flags: Warning signs when evaluating properties
System Maintenance: EPA guide and checklist
Well Care: Disinfection procedures
Property Development: Understanding acreage requirements (Policies 795/799)
Training: Comprehensive 2025 installer course (20 MB)
New Technologies: Gravelless systems guidance
Regulatory Compliance: May 2025 rule changes
Large Systems: LSAS report requirements
Lot Sizing: Policy 795 (1-acre minimum) and Policy 799 (< 1 acre)
Subdivisions: Application process and requirements
Planning Coordination: P&Z review forms
Site Feasibility: Evaluation procedures
Buyer Education: "Before You Buy to Build" resource
Property Evaluation: Site assessment procedures
Disclosure Requirements: Understanding septic feasibility
Due Diligence: Checklist and guidance materials
South Central District has unique minimum lot size requirements :
Minimum lot size: 1 acre
Purpose: Ensure adequate space for system and replacement area
Application: Standard residential development
For lots: Less than 1 acre
Requirements: Enhanced standards, engineering, monitoring
Purpose: Allow development on existing small parcels with additional safeguards
These policies recognize the district's mix of agricultural parcels and existing small-lot developments.
The May 2025 Gravelless Systems Guidance addresses cutting-edge technology:
Advantages:
Reduced excavation
Smaller footprint
Faster installation
Potential for difficult sites
Requirements:
District approval process
Enhanced monitoring
Manufacturer specifications
Installer training
This represents the district's forward-thinking approach to alternative technologies.
Recent regulatory changes reflect evolving best practices and emerging technologies. The May 2025 documents provide the most current guidance available in the entire knowledgebase.
South Central Public Health District
Visit Website →
Headquarters: Twin Falls
Collection archived November 4, 2025. Features the most recent May 2025 regulatory updates. Always verify current requirements with the district.