Upwind Report

Glyphosate use in Macomb County, Michigan

Estimated farm glyphosate use in Macomb County, Michigan was 69 pounds per square mile of county land in 2019, higher than 54% of US counties.

Map of Macomb County, Michigan 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 land69lbTop 46% in the US
US
1,385th of 3,060
Michigan
37th of 83
Per square mile of cropland137lb

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

Since 2000

Up from 39 in 2000 to 69 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
20003639
20014242
20024242
20034848
20045454
20054545
20065760
20077171
20086265
20099595
20107777
2011100100
20128888
20139496
20148285
20155353
20167679
2017142145
20185861
20196969
See Macomb 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 Macomb County, Michigan 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.