Iowa Department of Public Safety Division of Criminal Investigation

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Statistics for Woodbury County

Previous Six Months

Month

Year

Average Alcohol Level
(g/210L)

Number of Tests

October 2020 0.147 41
September 2020 0.150 36
August 2020 0.159 64
July 2020 0.155 60
June 2020 0.161 49
May 2020 0.149 29
 

Total:

279

Year to Date

Year

Average Alcohol Level
(g/210L)

Number of Tests

2020 0.155 420
2019 0.145 490
2018 0.156 505
2017 0.149 547
2016 0.152 518
2015 0.154 589
2014 0.143 578
2013 0.142 636
2012 0.146 713
2011 0.141 808
2010 0.141 101

DataMaster CDM Historical Data *

Year

Average Alcohol Level
(g/210L)

Number of Tests

2010 0.130 266
2009 0.140 863
2008 0.135 990
2007 0.138 758
2006 0.141 792
2005 0.139 791
2004 0.148 645
2003 0.149 676
2002 0.151 768
 

Total:

6,549

* 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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