Iowa Department of Public Safety Division of Criminal Investigation

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Statistics for Davis County

Previous Six Months

Month

Year

Average Alcohol Level
(g/210L)

Number of Tests

May 2019 0.164 1
April 2019 0.249 1
March 2019 0.167 2
February 2019 0.080 1
January 2019 0.148 2
December 2018 0.148 2
 

Total:

9

Year to Date

Year

Average Alcohol Level
(g/210L)

Number of Tests

2019 0.160 7
2018 0.141 36
2017 0.126 15
2016 0.118 25
2015 0.100 22
2014 0.115 23
2013 0.092 32
2012 0.094 43
2011 0.093 41
2010 0.102 7

DataMaster CDM Historical Data *

Year

Average Alcohol Level
(g/210L)

Number of Tests

2010 0.105 38
2009 0.110 31
2008 0.091 40
2007 0.101 47
2006 0.078 33
2005 0.078 40
2004 0.138 15
2003 0.112 32
2002 0.152 19
 

Total:

295

* 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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