Bolthole Index county-legal census · checked 2026-08-08
Septic permitting in Michigan is mixed: 31 counties use county health departments, 0 go through a state agency, and 52 through regional districts.Every entry below names the approving authority for that county, cited to the authority’s own page.
Septic rules change and some cities run their own programs — treat this as a verified starting point, not legal advice. All states → Full Michigan profile →
83 counties · mixed — varies by county · permit status scouted for 22
District Health Department No. 2
District Health Department No. 2 ↗LMAS District Health Department (Luce-Mackinac-Alger-Schoolcraft)
LMAS District Health Department - Sewage Disposal ↗Allegan County Health Department, Environmental Health Division
Allegan County Environmental Health - Forms & Permits ↗District Health Department No. 4
District Health Department No. 4 - Permits & Applications ↗Health Department of Northwest Michigan (District Sanitary Code — Antrim, Charlevoix, Emmet, Otsego)
Health Department of Northwest Michigan — Sewage Systems ↗Central Michigan District Health Department (CMDHD), under Michigan EGLE
Arenac County MI - Building Department ↗Western Upper Peninsula Health Department (Environmental Health Division)
Western UP Health Department - On-Site Sewage Program ↗Barry-Eaton District Health Department (Environmental Health)
Barry-Eaton District Health Department - Residential Property Development (Well/Septic) ↗Bay County Health Department, Environmental Health Division
Bay County Health Department - Environmental Health Division ↗Benzie-Leelanau District Health Department, Environmental Health Division
Benzie-Leelanau District Health Department - On-Site Sewage Program ↗Berrien County Health Department
Berrien County Health Department - On-Site Septic ↗Branch-Hillsdale-St. Joseph Community Health Agency (under Michigan EGLE / Public Health Code)
Branch-Hillsdale-St. Joseph Community Health Agency — Sewage Disposal Systems ↗Calhoun County Public Health Department, Environmental Public Health
Calhoun County Public Health Department – Well & Septic ↗Van Buren/Cass District Health Department, Environmental Health
Van Buren/Cass District Health Department - Environmental Health ↗Health Department of Northwest Michigan
Health Department of Northwest Michigan Sewage Systems ↗District Health Department No. 4 (Alpena, Cheboygan, Montmorency, Presque Isle) under Michigan EGLE
District Health Department No. 4 Sanitary Code ↗Chippewa County Health Department - Environmental Health Division
Chippewa County Health Department - Onsite Sewage ↗Central Michigan District Health Department (CMDHD)
Central Michigan District Health Department - Sewage Systems ↗Mid-Michigan District Health Department
Mid-Michigan District Health Department - Well & Septic ↗District Health Department #10
District Health Department #10 - Residential Well & Septic ↗Public Health, Delta & Menominee Counties (Environmental Health)
Public Health Delta & Menominee Counties On-Site Sewage ↗Dickinson-Iron District Health Department
Dickinson-Iron District Health Department ↗Barry-Eaton District Health Department
Barry-Eaton District Health Department - On-Site Sewage Systems ↗Health Department of Northwest Michigan (District Sanitary Code, Antrim/Charlevoix/Emmet/Otsego)
Health Department of Northwest Michigan - Sewage Systems ↗Genesee County Health Department, Environmental Health Division
Genesee County Health Department - On-Site Sewage ↗Central Michigan District Health Department (CMDHD)
Central Michigan District Health Department — Sewage Systems ↗Western Upper Peninsula Health Department
Western Upper Peninsula Health Department - Sewage System Permitting ↗Grand Traverse County Health Department, Environmental Health Division
Grand Traverse County - On-Site Septic Systems ↗Mid-Michigan District Health Department
Gratiot County, MI - Requirements for Obtaining Building Permits ↗Branch-Hillsdale-St. Joseph Community Health Agency (Environmental Health)
Branch-Hillsdale-St. Joseph Community Health Agency Sewage Disposal Systems ↗Western Upper Peninsula Health Department
Western Upper Peninsula Health Department On-Site Sewage Program ↗Huron County Health Department - Environmental Health Division
Huron County Health Department - Environmental Health ↗Ingham County Health Department, Environmental Health Division
Ingham County Health Department - Permits & Licensing ↗Ionia County Health Department, Environmental Health Division
Ionia County Health Department (Water & Sewage) ↗District Health Department No. 2 (DHD2)
District Health Department No. 2 - Onsite Sewage ↗Dickinson-Iron District Health Department, Environmental Health Division
Dickinson-Iron District Health Department (Environmental Health) ↗Central Michigan District Health Department (CMDHD)
Central Michigan District Health Department - Sewage Systems ↗Jackson County Health Department (Environmental Health Services)
Jackson County - Permits Well & Septic ↗Kalamazoo County Health & Community Services, Environmental Health
Kalamazoo County Sewage Treatment ↗District Health Department #10
District Health Department #10 - Well & Septic ↗Kent County Health Department, Environmental Health Division
Kent County Health Department - Septic & Well Permits ↗Western Upper Peninsula Health Department
Western Upper Peninsula Health Department - About Us ↗District Health Department #10 (DHD#10), under Michigan EGLE
District Health Department #10 - Residential Well & Septic ↗Lapeer County Health Department, Environmental Health Division (under Michigan EGLE)
Lapeer County Health Department - Septic Application Permit ↗Benzie-Leelanau District Health Department, Environmental Health Division
Benzie-Leelanau District Health Department - On-Site Sewage Program ↗Lenawee County Health Department, Environmental Health Division
Lenawee County - Sewage Disposal Program ↗Livingston County Health Department, Environmental Health Division
Livingston County, MI - Septic Permits ↗LMAS District Health Department
LMAS District Health Department - Sewage Disposal ↗LMAS District Health Department
LMAS District Health Department - Sewage Disposal ↗Macomb County Health Department - Environmental Health Services (Onsite Sewage Disposal)
Macomb County Health Department - Onsite Sewage Disposal ↗District Health Department #10 (DHD#10)
District Health Department #10 - Residential Well & Septic ↗Marquette County Health Department, Environmental Health Division
Marquette County Environmental Health - Septic System Permits ↗District Health Department No. 10 (DHD#10)
District Health Department No. 10 - Residential Well & Septic ↗District Health Department #10 (Michigan EGLE)
District Health Department #10 - Residential Well & Septic ↗Public Health, Delta & Menominee Counties (Environmental Health)
Public Health, Delta & Menominee Counties - On-Site Sewage ↗Midland County Department of Public Health (Environmental Health)
Midland County Dept. of Public Health - Environmental Health (Septic) ↗District Health Department #10
District Health Department #10 - Missaukee County ↗Monroe County Health Department, Environmental Health Division
Monroe County Onsite Sewage Disposal ↗Mid-Michigan District Health Department
Mid-Michigan District Health Department - Well & Septic ↗District Health Department No. 4
District Health Department No. 4 Sanitary Code ↗Muskegon County Public Health Department - Environmental Health (Health Officer)
Muskegon County - Septic Permits & Evaluations ↗District Health Department #10, Environmental Health (Newaygo County office)
District Health Department #10 - Residential Well & Septic ↗Oakland County Health Division, Environmental Health Services
Oakland County Health Division - Onsite Sewage Disposal System (Septic) ↗District 10 Health Department
Oceana County — So You Want To Build permit checklist ↗District Health Department No. 2
District Health Department No. 2 - Environmental Health ↗Western Upper Peninsula Health Department (Environmental Health)
Western Upper Peninsula Health Department - On-Site Sewage Program ↗Central Michigan District Health Department
Central Michigan District Health Department - Sewage Systems ↗District Health Department No. 2 (DHD2)
District Health Department No. 2 - Environmental Health Regulations (Oscoda/Alcona/Ogemaw) ↗Health Department of Northwest Michigan (District Sanitary Code serving Antrim, Charlevoix, Emmet, and Otsego Counties)
Health Department of Northwest Michigan - Sewage Systems ↗Ottawa County Department of Public Health, Environmental Health Division
Ottawa County Environmental Health - Well & Septic ↗District Health Department No. 4 (DHD4)
District Health Department No. 4 - Sanitary Code ↗Central Michigan District Health Department (CMDHD)
Central Michigan District Health Department - Sewage Systems ↗Saginaw County Health Department (Environmental Health Division)
Saginaw County Health Department - Wastewater Management / Septic ↗Sanilac County Health Department (Environmental Health Division)
Sanilac County Health Department - Environmental Health ↗LMAS District Health Department (Luce, Mackinac, Alger, Schoolcraft)
LMAS District Health Department - Sewage Disposal ↗Shiawassee County Health Department - Environmental Health Division
Shiawassee County Health Department - Environmental Health ↗St. Clair County Health Department, Environmental Health Division
St. Clair County Health Department - Water & Private Sewage ↗Branch-Hillsdale-St. Joseph Community Health Agency (Environmental Health)
Branch-Hillsdale-St. Joseph Community Health Agency - Sewage Disposal Systems ↗Tuscola County Health Department
Tuscola County Health Department - Wells and Septic ↗Van Buren/Cass District Health Department (Environmental Health)
Van Buren/Cass District Health Department - Environmental Health ↗Washtenaw County Department of Public Health, Environmental Health Division
Washtenaw County Sewage & Well Permits ↗Wayne County Health Department - Environmental Health
Wayne County, Michigan - Septic/Onsite Sewage ↗District Health Department No. 10 (Wexford County office) under Michigan EGLE
Wexford County MI Building Department (District #10 Health Department) ↗Every county here has a full profile — its index score, water, land prices, and the rest of its building rules. See the Michigan state page for all counties ranked, or the national septic guide.
General guidance, not legal advice. Off-grid, building, and land-use rules are often set at the county level and change often. Verify with your county and state before acting. Data reviewed 2026-06-26.
