Rosebud County, MT Septic Rating

Septic suitability in Rosebud County, MT

Very limited

Rosebud County, MT: USDA's soil survey calls 68.3% of the county "Very limited" for a septic leach field. This is the reading that pushes a project toward an engineered system rather than a conventional one, covering that same share of Rosebud County's land. The county spans 5,008 square miles, home to 8,194 people.

What this number does and doesn't tell you

Nothing about Rosebud County, MT's SSURGO figure applies to a specific address - it's a county-wide average. Budget $750-$1,850 for a real perc test on any specific parcel - that's the only figure a permit application accepts.

Rosebud County: conventional vs. engineered cost

68.3% of Rosebud County carrying a "Very limited" reading changes the realistic budget here. Conventional systems run $3,000-$8,000 where they pass; where they don't, engineered alternatives (mound or aerobic treatment, whichever the health department requires) run $10,000-$40,000 - budget toward the higher figure until a perc test says otherwise.

Rosebud County's rank among Montana counties

Among the 3,058 rated counties on this site, Rosebud County, MT ranks 2,521 most-constrained nationally, and 48 of 54 within Montana.

Before you act on this

How this rating is built, and its real limits · Conventional vs. engineered septic systems