Iowa Department of Public Safety Division of Criminal Investigation

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Statistics for Tama County

Previous Six Months

Month

Year

Average Alcohol Level
(g/210L)

Number of Tests

May 2019 0.088 5
April 2019 0.117 3
March 2019 0.136 4
February 2019 0.160 8
January 2019 0.149 5
December 2018 0.132 5
 

Total:

30

Year to Date

Year

Average Alcohol Level
(g/210L)

Number of Tests

2019 0.131 25
2018 0.120 64
2017 0.118 77
2016 0.125 77
2015 0.144 73
2014 0.151 102
2013 0.152 69
2012 0.141 91
2011 0.140 101
2010 0.117 45

DataMaster CDM Historical Data *

Year

Average Alcohol Level
(g/210L)

Number of Tests

2010 0.153 72
2009 0.151 97
2008 0.156 114
2007 0.155 118
2006 0.143 117
2005 0.146 139
2004 0.148 121
2003 0.138 176
2002 0.145 192
 

Total:

1,146

* 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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