📍 Service Area
Southwestern Idaho - 6 Counties
Adams County - Pop. ~4,000 (Rural mountains, Council) • GIS Map → Canyon County - Pop. ~246,000 (Nampa, Caldwell - 2nd largest Idaho county) • GIS Map → Gem County - Pop. ~19,000 (Emmett) • GIS Map → Owyhee County - Pop. ~12,000 (Marsing, Homedale - 2nd largest by area) • GIS Map → Payette County - Pop. ~25,000 (Payette, Fruitland) • GIS Map → Washington County - Pop. ~10,000 (Weiser) • GIS Map → Total Population: ~316,000
Collection Date: November 4, 2025Document Count: 7 PDFs (1.3 MB)Most Recent Updates: April 2025 (Gravel Pit List)Source: Southwest District Health
The SER documents (Subdivision Engineering Reports) are unique to this collection, focusing on large-scale residential development rather than individual home sites. Essential for developers and planning departments in the rapidly growing Treasure Valley.
Proper Sewage Clean-Up Procedures provides critical safety guidance not found in other collections - addresses sewage spills, backup situations, and proper disinfection protocols.
Two specialized guides address common well water problems in SW Idaho's agricultural areas.
Southwest District uses Hedgerow Software portal for online applications and payments, reducing paper forms while maintaining PDF resources for reference.
All documents open in a new tab. Click any PDF below to view the original document.
🔍 Septic Records Search
Search Septic Records →
Search existing septic system records online.
Southwest District uses the Hedgerow Software portal for modern, streamlined service:
Portal: https://swdh3.hedgerowsoftware.com/
Features:
Online application submission
Electronic payment processing
Application status tracking
Reduced paperwork
Southwest District Health serves Idaho's agricultural heartland and Boise's western suburbs :
Boise metropolitan fringe (Canyon County - Nampa, Caldwell)Agricultural communities (onions, dairy, sugar beets, wine grapes)High desert terrain (Owyhee County - vast open spaces)Snake River valley Significant subdivision development pressure (Treasure Valley expansion)Growing population from Boise metro spillover
Large Subdivisions: SER template and standardized requirementsPlat Language: Sanitary restriction wording for legal documentsPlanning: Subdivision application process and reviewMaterials: Approved gravel pit list
Emergency Response: Sewage cleanup safety proceduresWell Issues: Hydrogen sulfide identification and treatmentWell Maintenance: Disinfection procedures after contaminationWater Quality: Problem diagnosis and remediation
Material Sourcing: Current 2025 approved gravel pit listQuality Assurance: Ensure aggregates meet district standardsSubdivision Work: SER requirements for large projects
Sewage Spills: Proper cleanup and disinfection proceduresHealth Hazards: Safety protocols and PPE requirementsPublic Health Protection: Contamination control
Subdivision Sales: Understanding SER requirementsWell Water: Common issues and solutionsDue Diligence: Emergency procedure awareness
The Subdivision Engineering Report (SER) documents are particularly important in Southwest District due to:
Rapid growth in Canyon County (Boise metro expansion)
Agricultural land conversion to residential
Large-scale development projects
Planning & Zoning coordination requirements
Southwest Idaho's agricultural character means many properties rely on wells. Common issues addressed:
Cause: Sulfur bacteria or geological formationsTreatment: Chlorination, aeration, filtrationPrevention: Proper well construction and maintenance
Sources: Surface water intrusion, agricultural runoffResponse: Well disinfection proceduresTesting: Post-treatment verification
Southwest District Health
Visit Website →
Online Portal →
IDAPA 58.01.03 Individual/Subsurface Sewage Disposal Rules
IDAPA 58.01.15 Rules Governing the Cleaning of Septic Tanks
Idaho DEQ Technical Guidance Manual (statewide)
Collection archived November 4, 2025. Always verify current requirements and use online portal for applications.
Adams County - Pop. ~4,000 (Rural mountains, Council) • GIS Map →
Canyon County - Pop. ~246,000 (Nampa, Caldwell - 2nd largest Idaho county) • GIS Map →
Gem County - Pop. ~19,000 (Emmett) • GIS Map →
Owyhee County - Pop. ~12,000 (Marsing, Homedale - 2nd largest by area) • GIS Map →
Payette County - Pop. ~25,000 (Payette, Fruitland) • GIS Map →
Washington County - Pop. ~10,000 (Weiser) • GIS Map →
