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Land Use - Individual Sewage Disposal

The Land Use program reviews, permits and inspects individual sewage disposal systems. All applications and guides related to sewage disposal systems and a list of licensed contractors can be found in the Land Use Resource Center below.

Wet Weather Testing: Some parcels may be required to be evaluated for a sewage disposal system during the wet weather testing season. The wet weather testing season occurs January 1 through April 30 of each year only after 50% of the annual average precipitation has fallen. You may find the "Wet Weather Testing Guide" and the current "Wet Weather Rainfall Totals" for Siskiyou County in the Land Use Resource Center.