Idaho Code § 25-4007: NUTRIENT MANAGEMENT PLANS.

(1) All permitted CAFOs shall have and implement a nutrient management plan that has been reviewed and approved by the department.

(2) Nutrient management plans shall be amended if modifications to the CAFO, as outlined in the nutrient management standard or other conditions, warrant the amendment.

(3) Annual soil tests shall be conducted on all land application sites owned or leased by the permittee every year to determine compliance with the nutrient management plan and nutrient management standard. The director may require more frequent soil tests if deemed necessary.