Copper River Census Area, AK: the USDA septic-suitability picture

Very limited

Copper River Census Area, AK: USDA's soil survey calls 89.9% of the county "Very limited" for a septic leach field. This is the reading that pushes a project toward an engineered system rather than a conventional one, and it covers 89.9% of Copper River Census Area's land. The county spans 24,647.357 square miles, home to 2,631 people.

What this number does and doesn't tell you

USDA's survey covers the whole of Copper River Census Area, AK at once, not any single address. Budget $750-$1,850 for a real perc test on any specific parcel - that's the only figure a permit application accepts.

Copper River Census Area: conventional vs. engineered cost

89.9% of Copper River Census Area 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 Copper River Census Area, AK compares

Among the 3,058 rated counties on this site, Copper River Census Area, AK ranks 1,282 most-constrained nationally, and 3 of 10 within Alaska.

Further reading

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