Skagway Municipality, AK Septic Rating
Skagway Municipality, AK: the USDA septic-suitability picture
Very limited
USDA puts Skagway Municipality, AK at "Very limited" for septic absorption fields, the dominant reading across 99.8% of the county's soil. This is the reading that pushes a project toward an engineered system rather than a conventional one, covering that same share of Skagway Municipality's land. The county spans 443 square miles, home to 1,119 people.
What this number does and doesn't tell you
Nothing about Skagway Municipality, AK'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.
Skagway Municipality: conventional vs. engineered cost
99.8% of Skagway Municipality 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, Skagway Municipality, AK ranks 9 most-constrained nationally, and 1 of 10 within Alaska.
Further reading
How this rating is built, and its real limits · Conventional vs. engineered septic systems