Upwind Report

Glyphosate use in Lewis County, Missouri

Estimated farm glyphosate use in Lewis County, Missouri was 148 to 153 pounds per square mile of county land in 2019, higher than 68% of US counties.

Map of Lewis County, Missouri 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 land148 to 153lbTop 32% in the US
US
977th of 3,060
Missouri
45th of 114
Per square mile of cropland171 to 177lb

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 Lewis County against the US county median, with the source, to post or send.

Since 2000

Up from 99 in 2000 to 153 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
20009999
2001129129
2002119119
2003129129
2004139139
2005124124
2006158158
2007178178
2008228233
2009248248
2010169174
2011233237
2012263268
2013257257
2014188193
2015163163
2016222222
2017227227
2018227232
2019148153
See Lewis 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 Lewis County, Missouri 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.