The Minnesota Department of Agriculture released guidance on Apr. 30 for residents to safely apply fertilizers and pesticides in their yards, aiming to protect the state’s lakes, rivers, and wetlands from nutrient pollution.
The department’s message highlights the impact that household chemical use can have on local water quality. According to a University of Minnesota study referenced by the department, lawn fertilizers are a significant source of nutrient pollution in Minnesota’s waterways.
In 2024, Minnesotans purchased approximately 178 million pounds of fertilizer for residential use and about 870,000 pounds of pesticides. The department said these products can move off properties and contaminate water if not used correctly. The statement emphasizes that proper application—such as conducting soil tests before fertilizing, spot-treating weeds, following label instructions, keeping chemicals off pavement, and checking weather conditions—can help prevent runoff into storm drains.
Residents who hire professional lawn care services are encouraged to ask applicators about their methods for preventing runoff and ensuring practices align with protecting water quality. “A reputable company will welcome these questions,” the statement said.
The Minnesota Department of Agriculture supports consumers and promotes local farming across the state according to its official website. It works with the U.S. Department of Agriculture and other agencies on agricultural initiatives according to its official website, aiming to strengthen economic health while safeguarding food quality according to its official website. Thom Petersen leads the agency as commissioner according to its official website.
The department concluded by reminding Minnesotans that small changes in backyard chemical use can collectively make a meaningful difference in maintaining clean water resources.
