2019.02.04 CC Packet - Laserfiche WebLink

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Effective April 28, 2015 Chapter Four Subsurface Sewage Treatment System Regulations 23.8 Required Application Methods (1) Land application methods must comply with Code of Federal Regulations (CFR) 40, Part 503 for pathogen reduction, vector attraction, and for maximum volume of septage that may be applied to any site during a 365 day period. (2) When soils are snow covered or frozen, the application rate is limited to 10,000 gallons per acre or less, and application is only allowed on slopes of 2 percent or less. Each area of the site may only be covered once. (3) Septage must not be applied on areas with ponding water. (4) Land application sites shall not be used for crops for direct human consumption unless the waiting periods on Table XI below are followed: Table XI Restricted Activity Waiting Period Food crops whose harvested part may touch the soil/septage 14 months melons, squash, tomatoes, etc. Food crops with harvested parts below the surface (potatoes, 38 months carrots, etc.) Feed, food, or fiber crops that do not touch the soil surface (field 30 days corn, sweet corn, hay, flax, etc.) Turf harvest 1 year Grazing of animals 30 days Public access to land High potential for exposure 1 year Low potential for exposure 30 days 23.9 Slope Restrictions Incorporated Injected Slope Surface Application within 48 hours Frozen Soil <2% Allowed Allowed Allowed Allowed 2-6% Allowed Allowed Not Allowed Allowed 6-12% Not Allowed Allowed Not Allowed Allowed >12% Not Allowed Not Allowed Not Allowed Conditionally Allowed* *The Department may approve land application of domestic septage through injection on sites previously used for crop production with slopes exceeding twelve percent (12%) on a case -by case basis. The Department may impose any conditions necessary to protect public health, public safety and the environment. 84 Washington County Development Code