Iowa Department of Public Safety Division of Criminal Investigation

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Statistics for Washington County

Previous Six Months

Month

Year

Average Alcohol Level
(g/210L)

Number of Tests

November 2024 0.148 5
October 2024 0.129 6
September 2024 0.014 18
August 2024 0.135 8
July 2024 0.159 16
June 2024 0.164 3
 

Total:

56

Year to Date

Year

Average Alcohol Level
(g/210L)

Number of Tests

2024 0.133 84
2023 0.148 73
2022 0.147 107
2021 0.145 84
2020 0.136 97
2019 0.141 84
2018 0.137 95
2017 0.126 82
2016 0.126 88
2015 0.141 93
2014 0.124 107
2013 0.132 115
2012 0.137 132
2011 0.123 113

DataMaster CDM Historical Data *

Year

Average Alcohol Level
(g/210L)

Number of Tests

2010 0.136 74
2009 0.142 125
2008 0.139 152
2007 0.132 74
2006 0.157 81
2005 0.145 70
2004 0.157 99
2003 0.150 39
2002 0.123 94
 

Total:

808

* 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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