Upwind Report

Glyphosate use in Grand Forks County, North Dakota

Estimated farm glyphosate use in Grand Forks County, North Dakota was 434 pounds per square mile of county land in 2019, higher than 92% of US counties.

Map of Grand Forks County, North Dakota and nearby counties, coloring each county's cropland by estimated farm glyphosate use per square mile of county land in the 2019 high estimate. Darker colors mean more use.

2019 numbers

Per square mile of county land434lbTop 8% in the US
US
241st of 3,060
North Dakota
4th of 53
Per square mile of cropland445lb

Ranks are by use per square mile of county land, on the 2019 high estimate, among US counties with a value. Counties with the same value share a rank.

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A picture of Grand Forks County against the US county median, with the source, to post or send.

Since 2000

Up from 11 in 2000 to 434 in 2019. Pounds per square mile of county land, high estimate.

Every year's numbers
Glyphosate per square mile of county land by year, in pounds
YearLowHigh
20005.611
20013939
20023939
2003111133
2004200200
2005183183
200694100
2007145145
2008239239
2009189189
2010378378
2011361361
2012451451
2013573573
2014451451
2015501501
2016484484
2017556556
2018495495
2019434434
See Grand Forks County on the map

About these numbers

The main number is the county's estimated farm glyphosate use for the year divided by all of its land, water left out. A county with a little farmland can use a lot per square mile of cropland and still have far less in total than a county with more farmland, so the whole-county number is the one the map colors, ranks and compares.

These are county estimates, not records. They don't show which fields were sprayed or how much any one field got.

USGS makes a low and a high estimate, which fill in use that farms didn't report in different ways.

Per square mile of cropland is the same total spread evenly over the county's cropland only, so it's higher than the whole-county number wherever only part of Grand Forks County, North Dakota is farmland.

Numbers are in pounds per square mile. The source gives kilograms per square kilometer, and 1 kg per km² is about 5.7 pounds per square mile.

Source: Hengl & Brungard from USGS county estimates, 2000–2019 (CC BY 4.0). Land area: US Census Bureau, 2020.

This page shows estimated farm use only. It says nothing about health and is not medical advice.