Upwind Report

Glyphosate use in Granville County, North Carolina

Estimated farm glyphosate use in Granville County, North Carolina was 5.6 to 7.5 pounds per square mile of county land in 2019, lower than 71% of US counties.

Map of Granville County, North Carolina 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 land5.6 to 7.5lb
US
2,179th of 3,060
North Carolina
76th of 100
Per square mile of cropland17 to 23lb

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

Since 2000

Down from 16 in 2000 to 7.5 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
20001416
20011214
20027.87.8
20031416
20041315
20057.77.7
20061515
20079.69.6
20085.75.7
20093333
20101313
20112325
20121515
20131919
20141919
20151113
20161719
20172123
20187.59.4
20195.67.5
See Granville 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 Granville County, North Carolina 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.