Upwind Report

Glyphosate use in Polk County, Georgia

Estimated farm glyphosate use in Polk County, Georgia was 38 to 41 pounds per square mile of county land in 2019, lower than 51% of US counties.

Map of Polk County, Georgia 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 land38 to 41lb
US
1,585th of 3,060
Georgia
54th of 159
Per square mile of cropland103 to 108lb

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

Since 2000

Up from 11 in 2000 to 41 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
20009.111
20011414
20024.54.5
20031111
20044.44.4
20052.24.4
20062222
20074851
20082224
20094446
2010103103
20112426
20121315
20131921
20142424
20152123
20162121
20174.34.3
20181515
20193841
See Polk 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 Polk County, Georgia 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.