Septic Service Area
Septic pumping, inspections, and repairs in Spokane, Stevens, Pend Oreille, and Ferry counties in Washington, and in Kootenai, Bonner, and Boundary counties in Idaho.
Last reviewed: October 25, 2026
Septic pumping, inspections, and repairs in the counties below. The health district list is where you confirm a company's approval.
Washington
Spokane County — Spokane Regional Health District
The Spokane Regional Health District, not the Northeast Tri County Health District, regulates on-site sewage in Spokane County. Read the Spokane County page, then the neighborhood pages for Deer Park (the Stevens County line runs through some Deer Park mailing addresses) and Elk and Chattaroy. Sellers should use the transfer checklist. Other places the Spokane page discusses, without their own URL: Spokane Valley, Liberty Lake, Cheney, Medical Lake, Nine Mile Falls, and Newman Lake.
Stevens County — Northeast Tri County Health District
Colville and Kettle Falls and Chewelah and Loon Lake. The district list is netchd.org/230/Septic-Contractors.
Pend Oreille County — Northeast Tri County Health District
Newport, Cusick, Usk, and the lake communities. Homes on the Idaho side of the river at Oldtown are on the Priest River page.
Ferry County — Northeast Tri County Health District
Ferry County follows the same Northeast Tri County Health District list as Stevens and Pend Oreille counties: Septic contractors.
Idaho — Panhandle Health District
Kootenai County
Coeur d'Alene, Hayden, Post Falls, and the rest of Kootenai County, plus Rathdrum, Athol, and Spirit Lake.
Bonner County
Sandpoint, Ponderay, Kootenai, and Dover and Priest River and Oldtown.
Boundary County
Bonners Ferry, Moyie Springs, and Naples.
Guides that apply across these counties
Washington's 2027 inspection rule · What changes a pumping price · How often to pump · Signs a tank may be full · Septic services