Governor Dayton Proposes Groundwater Protection Measure to Reduce Elevated Nitrate Levels in Drinking Water

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department of agriculture

March 6, 2018

This morning Governor Dayton and Department of Agriculture Commissioner Frederickson held a press conference to discuss the outline of the proposed nitrogen fertilizer rule for nitrate in groundwater. The press release is below and includes a link to a map which shows the proposed areas that will be subject to fall fertilizer application restrictions. The draft rule will be published for comment in May.

Governor Dayton Proposes Groundwater Protection Measure to Reduce Elevated Nitrate Levels in Drinking Water

[MAP] Attached is a map depicting vulnerable areas (shown in purple and green) where nitrogen fertilizer application would be limited during the fall to protect groundwater from contamination. [Link]

[AUDIO] Listen to Governor Mark Dayton and Minnesota Agriculture Commissioner Dave Frederickson discuss a proposed new groundwater protection measure. [Link]

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March 6, 2018


Governor Dayton Proposes Groundwater Protection Measure to Reduce Elevated Nitrate Levels in Drinking Water


Minnesota Department of Agriculture engaged over 1,500 farmers and landowners in drafting the new water quality rule at 17 public meetings across the state


Proposed rule includes additional protections for drinking water based on public input, including over 820 written comments from Minnesotans


Additional opportunities for public comment on the proposed water quality improvement measure will begin in May, with additional public hearings to be held this summer


ST. PAUL, MN – Following 17 public meetings that engaged over 1,500 farmers, landowners, and other Minnesotans in conversations across the state, Governor Mark Dayton and Minnesota Agriculture Commissioner Dave Frederickson today proposed a new groundwater protection measure. The proposal, which is based on the input of the farmers and landowners who the rule would apply to, would help reduce elevated nitrate levels in groundwater and ensure more Minnesota residents have clean, safe, reliable drinking water supplies. Nitrate is one of the most common contaminants in Minnesota's groundwater; elevated nitrate levels in drinking water can pose serious health concerns for humans.


“I am grateful to the many farmers, landowners, and others who worked with the Department of Agriculture to develop this proposal, which would greatly improve the quality of drinking water for Minnesotans,” said Governor Dayton. “Clean, safe, reliable water in our communities is everyone’s concern, and everyone’s responsibility. I urge all Minnesotans who wish to further improve or refine this proposal to engage in the public comment period beginning this spring, and attend the additional public hearings that will be scheduled this summer.”


Nitrate is a compound that naturally occurs and has many human-made sources. Nitrate is found in lakes, rivers, and groundwater across Minnesota. Consuming too much nitrate can affect how blood carries oxygen and can cause methemoglobinemia (also known as blue baby syndrome).


“The Minnesota Department of Agriculture held 17 meetings across the state last year as we developed this proposal. Over 1,500 Minnesotans participated, and we received over 820 written comments that helped make the proposal even better,” said Commissioner Frederickson. “This proposal responds to what we heard. It balances the needs of farmers and modern agricultural production, with the need of all Minnesotans to have safe drinking water. I look forward to working with Minnesotans across our state in the coming months to further refine and improve this proposal, to ensure it works to provide clean, reliable water for all of our communities.”


About the Proposed Groundwater Protection Measure

The groundwater protection proposal introduced today by Governor Dayton and Commissioner Frederickson would apply to vulnerable areas and areas with high nitrate levels in public drinking waters. It also would create a system of voluntary and mandatory mitigation practices in areas with high nitrate concentrations in the public water supplies. Read more about the proposed rule below.


Rule Part OneRule Part Two and Three

Timeline for Groundwater Protection Effort

The Minnesota Department of Agriculture expects the rule to be published for formal comment in mid-to-late May with hearings to be held this summer and final adoption in late 2018. More information about the rulemaking process is included below.


Mid to Late May 2018 – The Department of Agriculture publishes the draft groundwater protection rule and Statement of Need and Reasonableness for a 30-day public comment period.

Summer 2018 – The Department of Agriculture holds public hearings on the draft groundwater protection rule.

Fall 2018 – The Office of Administrative Hearings reviews the comments and gives the Department of Agriculture 180 days to make revisions to the groundwater protection rule based on Administrative Law Judge and public hearings.

December 2018 – The Department of Agriculture submits the final groundwater protection rule to Office of Administrative Hearings, the Office of the Revisor of Statutes, and to the Governor.


About Public Comments Already Received on Proposed Groundwater Effort

The Minnesota Department of Agriculture informally published a draft of the Groundwater Protection Rule in the summer of 2017, and provided an opportunity for public comment to help shape the proposed rule. The Department received more than 820 written comments regarding the rule, and over 1,500 people attended public meetings in Chatfield, Fairmont, Farmington, Hawley, Marshall, McIntosh, Roseau, St. Cloud, St. Paul, Wadena, and Warren. Additional public comments were received in Bemidji, Crookston, Mankato, Marshall, Rochester, and St. Cloud as part of the Governor’s Water Town Hall Meetings. As rulemaking proceeds, the Department of Agriculture will continue engaging farmers, landowners, and other key stakeholders in the process to continue to gather input.




Office of Governor Mark Dayton, Communications Department

130 State Capitol, 75 Rev. Dr. Martin Luther King Jr. Blvd., St. Paul, MN 55155

T: 651-201-3400 | E: