Septic suitability in Ramsey County, ND
Very limited
USDA puts Ramsey County, ND at "Very limited" for septic absorption fields, the dominant reading across 85% of the county's soil. That reading means a conventional system is a poor bet here - 85% of Ramsey County lands in the strictest "very limited" bucket USDA uses. The county spans 1,185.367 square miles, home to 11,510 people.
What this number does and doesn't tell you
Two lots a mile apart in Ramsey County can carry different soil, even though they share one countywide rating. Budget $750-$1,850 for a real perc test on any specific parcel - that's the only figure a permit application accepts.
Ramsey County: conventional vs. engineered cost
85% of Ramsey 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.
Where this sits nationally
Among the 3,058 rated counties on this site, Ramsey County, ND ranks 1,692 most-constrained nationally, and 9 of 53 within North Dakota.
Related guides
How this rating is built, and its real limits · Conventional vs. engineered septic systems