Big farms, frac sand mines could feel force of judge’s groundwater ruling

Two weeks ago, Administrative Law Judge Jeffrey Boldt approved the state Department of Natural Resources’ issuance of permits for a large and controversial dairy farm in Central Wisconsin. But he also reduced the amount of water the farm could pump from proposed high-capacity wells and required the DNR to consider the impact of the withdrawals in conjunction with other, nearby wells — a concept known as cumulative impacts.

A center pivot manure irrigation system is used to spread manure on a Wisconsin corn field.

Manure spraying under scrutiny

Life for Wisconsin families has been disrupted by the relatively rare practice in Wisconsin of using water irrigation systems to spray liquid manure on farm fields. Now the issue has taken on new urgency as more large dairy farms consider using the practice.