0210 pdf

Up-gradient 2 :. Other site features that may allow effluent to surface. Down-gradient cuts or banks with at least 5 ft. Down-gradient cuts or banks with less than 5 ft. If surface water is used as a public drinking water supply, the designer shall locate the OSS outside of the required source water protection area. The item is down-gradient when liquid will flow toward it upon encountering a water table or a restrictive layer.

The item is up-gradient when liquid will flow away from it upon encountering a water table or restrictive layer. Examples of such conditions include excessively permeable soils, unconfined aquifers, shallow or saturated soils, dug wells, and improperly abandoned wells.

Site Contents Selected content listed in alphabetical order under each group. From sewage tank and distribution box. Well or suction line. Public drinking water well. Pressurized water supply line.

Public drinking water spring measured from the ordinary high-water mark. Spring or surface water used as drinking water source measured from the ordinary high-water mark 1. Decommissioned well decommissioned in accordance with chapter WAC. Surface water measured from the ordinary high-water mark. Down-gradient 2 :.

Up-gradient 2 :. Other site features that may allow effluent to surface. Down-gradient cuts or banks with at least 5 ft. Down-gradient cuts or banks with less than 5 ft. If surface water is used as a public drinking water supply, the designer shall locate the OSS outside of the required source water protection area.

The item is down-gradient when liquid will flow toward it upon encountering a water table or a restrictive layer. The item is up-gradient when liquid will flow away from it upon encountering a water table or restrictive layer. Examples of such conditions include excessively permeable soils, unconfined aquifers, shallow or saturated soils, dug wells, and improperly abandoned wells.