Breath Alcohol

Iowa Department of Public Safety Division of Criminal Investigation

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Statistics for Webster County

Previous Six Months

Month	Year	Average Alcohol Level (g/210L)	Number of Tests
December	2024	0.121	6
November	2024	0.148	14
October	2024	0.157	12
September	2024	0.170	39
August	2024	0.155	24
July	2024	0.169	12
		Total:	107

Year to Date

Year	Average Alcohol Level (g/210L)	Number of Tests
2024	0.151	169
2023	0.143	110
2022	0.152	98
2021	0.156	86
2020	0.153	80
2019	0.152	86
2018	0.159	102
2017	0.158	104
2016	0.152	123
2015	0.156	109
2014	0.148	126
2013	0.147	151
2012	0.150	193
2011	0.150	174
2010	0.128	94

DataMaster CDM Historical Data *

Year	Average Alcohol Level (g/210L)	Number of Tests
2010	0.150	110
2009	0.130	52
2008	0.136	231
2007	0.133	144
2006	0.150	169
2005	0.149	159
2004	0.159	123
2003	0.161	110
2002	0.149	83
	Total:	1,181

* 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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