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The surface grade of soil absorption systems shall be located at a point lower than the surface grade of any water well or reservoir on the same or adjoining lot. Where this is not possible, the site shall be located so surface water drainage from the site is not directed toward a well or reservoir. The soil absorption system shall be located with a minimum horizontal distance between various elements as indicated in Table P3009.9. Private sewage disposal systems in compacted areas, such as parking lots and driveways, are prohibited. Surface water shall be diverted away from any soil absorption site on the same or neighboring lots.
LOCATION OF SUBSURFACE IRRIGATION SYSTEM
ELEMENTMINIMUM HORIZONTAL DISTANCE
STORAGE TANK
(feet)
IRRIGATION
DISPOSAL
FIELD(feet)
Buildings52
Lot line adjoining private property55
Water wells50100
Streams and lakes5050
Seepage pits55
Septic tanks05
Water service55
Public water main1010
For SI: 1 foot = 304.8 mm.

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