Upwind Report

Glyphosate use in Tulare County, California

Reported farm glyphosate use in Tulare County, California was 155 pounds per square mile of county land in 2019, higher than 68% of US counties.

Map of Tulare County, California and nearby counties, coloring each county's cropland by estimated farm glyphosate use per square mile of county land in 2019 reported use. Darker colors mean more use.

2019 numbers

Per square mile of county land155lbTop 32% in the US
US
967th of 3,060
California
9th of 56
Per square mile of cropland542lb

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

Since 2000

Up from 70 in 2000 to 155 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
20007070
20019090
20028080
20038585
20049494
2005112112
2006129129
2007126126
2008122122
2009126126
2010121121
2011161161
2012179179
2013158158
2014157157
2015144144
2016145145
2017141141
2018162162
2019155155
See Tulare 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.

California's numbers are the state's own reported use, which USGS uses in place of an estimate, so the low and high numbers are the same.

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 Tulare County, California 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.