Tarrant County, TX's soil, for a septic absorption field

Very limited

In Tarrant County, TX, 75.8% of the surveyed land carries a "Very limited" rating for a standard septic drain field. This is the reading that pushes a project toward an engineered system rather than a conventional one, and it covers 75.8% of Tarrant County's land. Tarrant County, TX is 865.4 square miles with a population of 2,230,708.

What Tarrant County's reading doesn't cover

This is a countywide, area-weighted figure across every soil survey map unit in Tarrant County, TX - never a reading for one specific parcel. A local percolation test, typically $750-$1,850 (around $1,300 typical), is the only way to know what one lot in Tarrant County will actually do.

What a system would cost here

With 75.8% of Tarrant County rating "Very limited", a standard gravity system is not a safe assumption here. The engineered-system range, $10,000-$40,000 (mound or aerobic treatment), is the more realistic number to plan around, against $3,000-$8,000 for a conventional system on the rare lot that passes.

Where this sits nationally

Nationally, Tarrant County, TX is the 2,244-most-constrained of 3,058 rated counties for septic soil. Within Texas alone it ranks 169 of 253.

Before you act on this

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