Minn. Stat. § 117.041
Subd. 1. Surveys.
For the purpose of making surveys and examinations relative to any proceedings under this chapter, it shall be lawful to enter upon any land, doing no unnecessary damage.
Subd. 2. Environmental testing before eminent domain proceedings.
(a) A state agency by order of the commissioner or a political subdivision by resolution may enter property for purposes of investigation, monitoring, testing, surveying, boring, or other similar activities necessary or appropriate to identify the existence and extent of a release or threat of release of a hazardous substance, pollutant, or contaminant if:
Subd. 3. Geotechnical investigation before eminent domain proceedings.