Septic suitability in Renville County, ND

Very limited

Renville County, ND: USDA's soil survey calls 87.5% of the county "Very limited" for a septic leach field. Practically, that rules out a simple gravity system for most of the county - 87.5% of it sits in USDA's most-constrained bucket. The county spans 877.244 square miles, home to 2,376 people.

What this number does and doesn't tell you

This is a countywide, area-weighted figure across every soil survey map unit in Renville County, ND - never a reading for one specific parcel. Budget $750-$1,850 for a real perc test on any specific parcel - that's the only figure a permit application accepts.

Renville County: conventional vs. engineered cost

87.5% of Renville 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.

Renville County's rank among North Dakota counties

Among the 3,058 rated counties on this site, Renville County, ND ranks 1,511 most-constrained nationally, and 6 of 53 within North Dakota.

Further reading

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