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News & Announcements

Final Rules Adoption up for EPC Decisions Jan 21 1/9/2014 2:06:24 PM
DES MOINES – The Environmental Protection Commission will meet Jan. 21 to adopt Final Rules in Chapter 64, “Wastewater Construction and Operation Permits” and in Chapter 93, “Non-point Source Pollution Control Set-aside Programs. Both implement revised laws and go into effect March 26, 2014. read more...
Applications Now Being Accepted for the Iowa Environmental Excellence Awards 1/3/2014 3:12:44 PM
DES MOINES-- Iowa businesses, organizations and citizens are invited to apply for the Governor’s Iowa Environmental Excellence Awards. read more...
NO2 Background Concentrations for Rural Areas Developed 12/31/2013 12:12:16 PM

In 2012 the statewide default background concentrations for use in dispersion modeling analyses were updated. At that time, the only two nitrogen dioxide (NO2) monitoring sites in Iowa were used to calculate an average NO2 background. Both of these sites are located in urban areas, where NO2 concentrations are generally higher. As such, the default NO2 background concentrations represent a conservative estimate for many portions of rural Iowa. In order to provide a more accurate estimate of the NO2 background levels in rural areas, the DNR has developed the following rural NO2 background concentrations. The current default concentrations will remain in place for urban areas of the state, and are also listed below for comparison.

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2012 Greenhouse Gas Emissions Inventory Posted on DNR Website 12/19/2013 3:09:01 PM
WINDSOR HEIGHTS ― According to the DNR’s legislatively mandated “2012 Iowa Greenhouse Gas Inventory Report” Iowa greenhouse gas emissions (GHG) decreased 3.27 percent from 2011 levels, but remains 8.30 percent above 2005 levels. read more...

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