Section 21.49.7. Storage of bulk dry animal nutrients.

A distributor shall not store bulk dry animal nutrients in a manner which pollutes the waters of the state. Storage requirements include the following:

        1.            Bulk dry animal nutrients shall not be stored in a grassed waterway.

        2.            Bulk dry animal nutrients shall not be stored on ground with a slope of greater than class “B” as defined in the county soil survey.

        3.            Bulk dry animal nutrients shall not be stored within 200 feet of a shallow private water supply well or within 100 feet of a deep water supply well. Bulk dry animal nutrients shall not be stored within 500 feet of a surface intake, wellhead or cistern of agricultural drainage wells, known sinkholes or major water sources or within 200 feet of watercourses other than major water sources (excluding farm ponds, privately owned lakes or when a secondary containment barrier is provided). For purposes of this rule, terms used are considered to have the same meaning as defined in 567—65.1(455B).