Iowa Department of Public Safety Division of Criminal Investigation

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Statistics for Story County

Previous Six Months

Month

Year

Average Alcohol Level
(g/210L)

Number of Tests

May 2019 0.126 24
April 2019 0.133 27
March 2019 0.147 19
February 2019 0.167 15
January 2019 0.114 18
December 2018 0.110 35
 

Total:

138

Year to Date

Year

Average Alcohol Level
(g/210L)

Number of Tests

2019 0.136 103
2018 0.127 378
2017 0.118 430
2016 0.118 493
2015 0.118 554
2014 0.123 628
2013 0.119 710
2012 0.121 714
2011 0.125 688
2010 0.104 195

DataMaster CDM Historical Data *

Year

Average Alcohol Level
(g/210L)

Number of Tests

2010 0.149 450
2009 0.142 592
2008 0.142 659
2007 0.157 513
2006 0.157 737
2005 0.155 685
2004 0.156 691
2003 0.164 610
2002 0.154 422
 

Total:

5,359

* 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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