Septic suitability in Hudson County, NJ
Very limited
Hudson County, NJ's SSURGO dominant class comes back "Very limited", covering 65.9% of the county. Expect the ground itself to work against a plain gravity system; USDA's strictest bucket alone covers 65.9% of the county. For scale: 46.193 square miles and 736,185 people call Hudson County home.
Before you rely on this for one lot
USDA's survey covers the whole of Hudson County, NJ at once, not any single address. The real answer for one lot is still a site-specific perc test, running about $750-$1,850 (typically near $1,300).
Budgeting for a system in Hudson County, NJ
Hudson County's soil reading pushes the likely outcome toward an engineered system rather than a conventional one. 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.
Hudson County's rank among New Jersey counties
Among the 3,058 rated counties on this site, Hudson County, NJ ranks 2,585 most-constrained nationally, and 18 of 21 within New Jersey.
Before you act on this
How this rating is built, and its real limits · Conventional vs. engineered septic systems