Ellis County, TX Septic Rating

Ellis County, TX: the USDA septic-suitability picture

Very limited

Ellis County, TX: USDA's soil survey calls 95.7% of the county "Very limited" for a septic leach field. Expect the ground itself to work against a plain gravity system; that share is already USDA's strictest bucket, not a lesser constraint layered on top. The county spans 936 square miles, home to 232,387 people.

What this number does and doesn't tell you

Nothing about Ellis County, TX'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.

Ellis County: conventional vs. engineered cost

95.7% of Ellis 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, Ellis County, TX ranks 558 most-constrained nationally, and 36 of 253 within Texas.

Before you act on this

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