Breath Alcohol

Iowa Department of Public Safety Division of Criminal Investigation

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Statistics for Poweshiek County

Previous Six Months

Month	Year	Average Alcohol Level (g/210L)	Number of Tests
November	2024	0.110	4
September	2024	0.132	2
August	2024	0.179	1
July	2024	0.094	2
June	2024	0.183	6
May	2024	0.188	2
		Total:	17

Year to Date

Year	Average Alcohol Level (g/210L)	Number of Tests
2024	0.134	24
2023	0.174	30
2022	0.139	43
2021	0.133	35
2020	0.147	46
2019	0.149	68
2018	0.152	61
2017	0.154	68
2016	0.129	84
2015	0.142	83
2014	0.133	90
2013	0.136	97
2012	0.132	103
2011	0.130	127
2010	0.085	38

DataMaster CDM Historical Data *

Year	Average Alcohol Level (g/210L)	Number of Tests
2010	0.136	90
2009	0.133	117
2008	0.126	137
2007	0.144	139
2006	0.134	157
2005	0.147	117
2004	0.145	96
2003	0.146	81
2002	0.137	47
	Total:	981

* 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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