Tipton County, IN: the USDA septic-suitability picture
Very limited
USDA puts Tipton County, IN at "Very limited" for septic absorption fields, the dominant reading across 97.4% of the county's soil. A standard gravity system routinely fails on ground like this; the same share of the county falls in USDA's worst absorption-field bucket outright. The county spans 260.541 square miles, home to 15,324 people.
What this number does and doesn't tell you
Tipton County's rating is an average across the whole county, not a promise about any one lot inside it. Budget $750-$1,850 for a real perc test on any specific parcel - that's the only figure a permit application accepts.
Tipton County: conventional vs. engineered cost
97.4% of Tipton 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.
How Tipton County, IN compares
Among the 3,058 rated counties on this site, Tipton County, IN ranks 337 most-constrained nationally, and 25 of 90 within Indiana.
Before you act on this
How this rating is built, and its real limits · Conventional vs. engineered septic systems