Setbacks

Lane County, Oregon	eGovernment

MINIMUM SEPARATION DISTANCES FOR ON-SITE SEWAGE SYSTEMS

ITEMS REQUIRING SETBACK	FROM SEWAGE DISPOSAL AREA INCLUDING REPLACEMENT AREA	FROM SEPTIC TANK & OTHER TREATMENT UNITS, EFFLUENT SEWER AND DISTRIBUTION UNITS
1. Groundwater Supplies	100'	50'
2. Temporarily Abandoned Wells	100'	50'
3. Springs: * Upgradient * Downgradient	50' 100'	50' 50'
4. Surface Public Waters: Year round * Seasonal	100' 50'	50' 50'
5. Intermittent Streams: * Piped (watertight not less than 25' from any part of on-site system) * Unpiped	20' 50'	20' 50'
6. Groundwater Interceptors: * On a slope of 3% or less * On a slope greater than 3%: - Upgradient - Downgradient	20' 10' 50'	10' 5' 10'
7. Irrigation Canals: * Lined (watertight canal) * Unlined: - Upgradient - Downgradient	25' 25' 50'	25' 25' 50'
8. Cuts Manmade in Excess of 30" (top of downslope cut): * Which intersect layers that limit effective soil depth within 48" of surface * Which do not intersect layers that limit effective soil depth	50' 25'	25' 10'
9. Escarpments: * Which intersect layers that limit effective soil depth * Which do not intersect layers that limit effective soil depth	50' 25'	10' 10'
10. Property Lines	10'	5'
11. Water Lines	10'	10'
12. Foundation lines of any building, including garages & outbuildings	10'	5'
13. Underground Utilities	10'	-
* This does not prevent stream crossingsof pressure effluent serwer.