Jones County's SSURGO septic rating
Very limited
Jones County, TX's SSURGO dominant class comes back "Very limited", covering 89.5% of the county. That reading means a conventional system is a poor bet here - 89.5% of Jones County lands in the strictest "very limited" bucket USDA uses. The county spans 928.606 square miles, home to 20,850 people.
What this number does and doesn't tell you
This is a countywide, area-weighted figure across every soil survey map unit in Jones County, TX - 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.
Jones County: conventional vs. engineered cost
89.5% of Jones 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 Jones County, TX compares
Among the 3,058 rated counties on this site, Jones County, TX ranks 1,323 most-constrained nationally, and 96 of 253 within Texas.
Related guides
How this rating is built, and its real limits · Conventional vs. engineered septic systems