Morris County, NJ's soil, for a septic absorption field

Very limited

Soil across 81.6% of Morris County, NJ rates "Very limited" in USDA's septic-absorption-field interpretation. That reading means a conventional system is a poor bet here - 81.6% of Morris County lands in the strictest "very limited" bucket USDA uses. Morris County covers 461.027 square miles and counts 523,053 residents.

This is a county figure, not a parcel figure

Nothing about Morris County, NJ's SSURGO figure applies to a specific address - it's a county-wide average. A site-specific perc test, usually $750-$1,850, is what a health department will actually require before permitting a lot in Morris County.

System cost, conventional vs. engineered

Given Morris 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.

Morris County's rank among New Jersey counties

Nationally, Morris County, NJ is the 1,957-most-constrained of 3,058 rated counties for septic soil. Within New Jersey alone it ranks 14 of 21.

Related guides

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