What Moore County, TX's soil rates for a septic system
Very limited
In Moore County, TX, 67.8% 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 67.8% of Moore County's land. Moore County, TX is 899.698 square miles with a population of 21,872.
What Moore County's reading doesn't cover
Two lots a mile apart in Moore County can carry different soil, even though they share one countywide rating. A local percolation test, typically $750-$1,850 (around $1,300 typical), is the only way to know what one lot in Moore County will actually do.
What a system would cost here
With 67.8% of Moore 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.
Moore County's rank among Texas counties
Nationally, Moore County, TX is the 2,535-most-constrained of 3,058 rated counties for septic soil. Within Texas alone it ranks 204 of 253.
Further reading
How this rating is built, and its real limits · Conventional vs. engineered septic systems