Claiborne Parish's SSURGO septic rating

Very limited

Claiborne Parish, LA's SSURGO dominant class comes back "Very limited", covering 89% of the county. Practically, that rules out a simple gravity system for most of the county - 89% of it sits in USDA's most-constrained bucket. The county spans 754.794 square miles, home to 13,537 people.

What this number does and doesn't tell you

USDA's survey covers the whole of Claiborne Parish, LA 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.

Claiborne Parish: conventional vs. engineered cost

89% of Claiborne Parish 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.

Claiborne Parish's rank among Louisiana counties

Among the 3,058 rated counties on this site, Claiborne Parish, LA ranks 1,372 most-constrained nationally, and 25 of 61 within Louisiana.

Related guides

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