Iowa Department of Public Safety Division of Criminal Investigation

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Statistics for Iowa County

Previous Six Months

Month

Year

Average Alcohol Level
(g/210L)

Number of Tests

March 2024 0.081 4
February 2024 0.106 5
January 2024 0.110 6
December 2023 0.120 7
November 2023 0.087 4
October 2023 0.108 6
 

Total:

32

Year to Date

Year

Average Alcohol Level
(g/210L)

Number of Tests

2024 0.099 15
2023 0.133 70
2022 0.156 64
2021 0.151 57
2020 0.174 49
2019 0.148 49
2018 0.148 54
2017 0.164 57
2016 0.158 47
2015 0.142 66
2014 0.156 76
2013 0.153 59
2012 0.148 69
2011 0.138 68
2010 0.139 23

DataMaster CDM Historical Data *

Year

Average Alcohol Level
(g/210L)

Number of Tests

2010 0.151 21
2009 0.150 118
2008 0.135 98
2007 0.131 129
2006 0.148 134
2005 0.151 101
2004 0.148 119
2003 0.144 124
2002 0.152 117
 

Total:

961

* The DataMaster CDM in use in Iowa from 1999 until 2011 was capable of limited data collection. This section of the website allows users to view the approximate number of tests and the average alcohol concentration of the subject for each county from 2002–2010.

This data is limited to the DataMaster CDM only. Please note, that the data may not be complete. The DataMaster CDM was capable of only holding approximately 175 tests at a time and there were situations that the memory was full and would no longer store tests until it was downloaded. Also, data may have been lost, never stored or cleared from memory prior to a download taking place.

The statistical data includes several subject tests that may have been performed by officers as "practice" and suspects that may have been impaired by substances other than alcohol therefore resulting in a zero breath alcohol result. Eliminating any test that was below 0.010 g/210 L, the statewide average over the past decade has been around 0.147 g/210 L.

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