Upwind Report

Glyphosate use in Ottawa County, Ohio

Estimated farm glyphosate use in Ottawa County, Ohio was 203 to 207 pounds per square mile of county land in 2019, higher than 75% of US counties.

Map of Ottawa County, Ohio 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 land203 to 207lbTop 25% in the US
US
759th of 3,060
Ohio
31st of 88
Per square mile of cropland257 to 263lb

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.

Share image

A picture of Ottawa County against the US county median, with the source, to post or send.

Since 2000

Up from 127 in 2000 to 207 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
2000122127
2001163163
2002227231
2003209213
2004186186
2005195195
2006181185
2007258262
2008266266
2009317317
2010303303
2011311316
2012325325
2013428428
2014410410
2015356356
2016414418
2017513513
2018320329
2019203207
See Ottawa 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 Ottawa County, Ohio 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.