flows would be possible in the rivers and valleys that flow into the Columbia River. The Town is also far enough distant from the nearest volcano (Glacier Peak) to virtually eliminate the hazards of damage to people and/or property resulting from pyroclastic flows, or lateral blasts. Volcanic hazards are limited in most Central Washington communities; however, significant ash fall may be possible but does not affect land use activity or planning. SOIL HAZARD AREAS The Resource Conservation Service has identified soils with severe building limitations, for houses with full basements, based on soil types/properties [WAC 365-190080(4)(d)(i)(A)]. There are several such soils within the Town UGA Waterville has in Very Limited soils- in its ability to have a basement, and acres in Some What limited soils, see Building . NRCS adds this clarification: ratings are based on soil properties, site features, and observed performance of the soils. A “The high-water table, flooding, shrinking and swelling, and organic layers can cause the movement of footings. A high-water table, depth to bedrock or to a cemented pan, large stones, slope, and flooding affect the ease of excavation and construction. Landscaping and grading that require cuts and fills of more than 5 or 6 feet are not considered.” The intent of the following and policies is to reduce the threat posed to the health and safety of citizens in areas of significant geologic hazard by providing guidance for reviewing a development proposal that may be near a geologic hazard. In addition to having general statements that are applicable to all types of hazard areas, needed protection elements for each different hazard type are also included to aid in understanding their differences and providing specific measures to reduce the hazard. POLICY CA 5.3: Minimize the negative impacts of wind and erosion resulting from development and construction on erosion hazard areas. POLICY CA 5.4: On being used for agricultural purposes, encourage the use of conservation techniques to reduce the amount of wind erosion.
flows would be possible in the rivers and valleys that flow into the Columbia River. The Town is also far enough distant from the nearest volcano (Glacier Peak) to virtually eliminate the hazards of damage to people and/or property resulting from pyroclastic flows, or lateral blasts. Volcanic hazards are limited in most Central Washington communities; however, significant ash fall may be possible but does not affect land use activity or planning. SOIL HAZARD AREAS The Resource Conservation Service has identified soils with severe building limitations, for houses with full basements, based on soil types/properties [WAC 365-190080(4)(d)(i)(A)]. There are several such soils within the Town UGA Waterville has in Very Limited soils- in its ability to have a basement, and acres in Some What limited soils, see Building . NRCS adds this clarification: “The ratings are based on soil properties, site features, and observed performance of the soils. A high-water table, flooding, shrinking and swelling, and organic layers can cause the movement of footings. A high-water table, depth to bedrock or to a cemented pan, large stones, slope, and flooding affect the ease of excavation and construction. Landscaping and grading that require cuts and fills of more than 5 or 6 feet are not considered.” The intent of the following and policies is to reduce the threat posed to the health and safety of citizens in areas of significant geologic hazard by providing guidance for reviewing a development proposal that may be near a geologic hazard. In addition to having general statements that are applicable to all types of hazard areas, needed protection elements for each different hazard type are also included to aid in understanding their differences and providing specific measures to reduce the hazard. POLICY CA 5.3: Minimize the negative impacts of wind and erosion resulting from development and construction on erosion hazard areas. POLICY CA 5.4: On being used for agricultural purposes, encourage the use of conservation techniques to reduce the amount of wind erosion.
COMP%20PLAN%20UPDATE%20FOR%202020.docx