Upwind Report

Glyphosate use in Musselshell County, Montana

Estimated farm glyphosate use in Musselshell County, Montana was 27 pounds per square mile of county land in 2019, lower than 56% of US counties.

Map of Musselshell County, Montana 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 land27lb
US
1,733rd of 3,060
Montana
31st of 56
Per square mile of cropland274lb

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

Since 2000

Up from 3.5 in 2000 to 27 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
20003.03.5
20011515
20025.76.6
20034.45.7
20044.84.8
20058.08.9
20069.09.5
20071616
20089.69.6
20096.76.7
20109.29.2
20111414
20122424
20131818
20143232
20153333
20163738
20172828
20182626
20192727
See Musselshell 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 Musselshell County, Montana 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.