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SUBDIVISION & SANITATION REVIEW
For additional information, contact the Gallatin City-County Health Department, Environmental Health Services at (406) 582-3120 or ehs@gallatin.mt.gov Scroll down for additional links.
In Montana, there are two laws that regulate subdivision activity - The two Acts define the term “subdivision” differently.
Montana Sanitation in Subdivisions Act (MSSA)
Environmental Health - (406) 582-3120
MSSA is enforced by Montana Dept of Environmental Quality and the local Health Department, and defines a subdivision as “a division of land or land so divided that creates one or more parcels containing less than 20 acres, exclusive of public roadways, in order that the title to or possession of the parcels may be sold, rented, leased, or otherwise conveyed and includes any resubdivision and any condominium or area, regardless of size, that provides permanent multiple spaces for recreational camping vehicles or mobile homes”.
Gallatin City-County Health Department, Environmental Health Services staff review sanitation proposals for water supply, stormwater drainage, solid waste and wastewater treatment under the MSSA.
In addition to state regulation requirements, subdivision proposals must also meet local wastewater treatment regulations, which may be more stringent than minimum state standards.
Site evaluations must be performed by a Gallatin County Registered Site Evaluator or a Professional Engineer registered in the state of Montana.
A local wastewater treatment septic permit is always
required before a wastewater system is installed.
Montana Subdivision and Platting Act (MSPA)
Planning Department - (406) 582-3130
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