Iowa Department of Public Safety Division of Criminal Investigation

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Statistics for Linn County

Previous Six Months

Month

Year

Average Alcohol Level
(g/210L)

Number of Tests

May 2019 0.144 28
April 2019 0.139 57
March 2019 0.155 63
February 2019 0.136 48
January 2019 0.154 73
December 2018 0.159 59
 

Total:

328

Year to Date

Year

Average Alcohol Level
(g/210L)

Number of Tests

2019 0.147 269
2018 0.151 566
2017 0.152 703
2016 0.153 673
2015 0.154 792
2014 0.154 833
2013 0.150 927
2012 0.146 1,008
2011 0.146 1,014
2010 0.119 416

DataMaster CDM Historical Data *

Year

Average Alcohol Level
(g/210L)

Number of Tests

2010 0.146 559
2009 0.156 802
2008 0.153 970
2007 0.147 1,109
2006 0.149 1,146
2005 0.144 1,098
2004 0.141 1,103
2003 0.134 1,372
2002 0.133 636
 

Total:

8,795

* 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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