Prowers County, CO's soil, for a septic absorption field

Very limited

Soil across 66% of Prowers County, CO rates "Very limited" in USDA's septic-absorption-field interpretation. This is the reading that pushes a project toward an engineered system rather than a conventional one, and it covers 66% of Prowers County's land. Prowers County covers 1,638.407 square miles and counts 11,957 residents.

This is a county figure, not a parcel figure

This is a countywide, area-weighted figure across every soil survey map unit in Prowers County, CO - never a reading for one specific parcel. A site-specific perc test, usually $750-$1,850, is what a health department will actually require before permitting a lot in Prowers County.

System cost, conventional vs. engineered

Given Prowers County's rating, plan for the engineered-system range rather than the conventional one. 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.

Prowers County's rank among Colorado counties

Nationally, Prowers County, CO is the 2,584-most-constrained of 3,058 rated counties for septic soil. Within Colorado alone it ranks 44 of 63.

Related guides

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