Breath Alcohol

Iowa Department of Public Safety Division of Criminal Investigation

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Statistics for Clay County

Previous Six Months

Month	Year	Average Alcohol Level (g/210L)	Number of Tests
May	2024	0.259	1
		Total:	1

Year to Date

Year	Average Alcohol Level (g/210L)	Number of Tests
2024	0.131	24
2023	0.135	79
2022	0.149	80
2021	0.153	73
2020	0.136	56
2019	0.142	69
2018	0.154	63
2017	0.124	105
2016	0.143	87
2015	0.127	115
2014	0.143	126
2013	0.128	107
2012	0.129	186
2011	0.129	174
2010	0.120	56

DataMaster CDM Historical Data *

Year	Average Alcohol Level (g/210L)	Number of Tests
2010	0.100	10
2009	0.120	63
2008	0.128	193
2007	0.125	144
2006	0.137	127
2005	0.146	134
2004	0.132	163
2003	0.144	134
2002	0.149	101
	Total:	1,069

* 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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