Minn. Stat. § 18D.103: REPORT OF INCIDENTS REQUIRED.

Subdivision 1. Report to commissioner.

A responsible party or an owner of real property must, on discovering an incident has occurred, immediately report the incident to the commissioner. The responsible party must immediately take all reasonable action necessary to minimize or abate the incident and to recover any agricultural chemicals involved in the incident with or without a directive from the commissioner.

Subd. 2. Written report.

The responsible party must submit a written report of the incident to the commissioner in the form and by the time prescribed by the commissioner.

Subd. 3. Exception.

A responsible party or an owner of real property who is a licensed or certified private or commercial pesticide applicator is not required to report an incident to the commissioner under this section if the amount of pesticide involved in the release plus any other releases which have occurred at the site during the preceding year is less than the maximum amount of the pesticide that, consistent with its label, can be applied to one acre of agricultural crop land unless the release occurred into or near public water or groundwater.