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DNR News Releases

Archive by tag: dataReturn

Sulfur Dioxide Air Quality Data Requirements Rule Report Available for Public Review and Comment

• 5/9/2024 8:29:00 AM
• View Count 1609

The DNR invites the public to provide comments on the 2024 report for the sulfur dioxide (SO2) Data Requirements Rule (DRR).

Updated Meteorological and Elevation Data Available for Use in Air Dispersion Modeling

• 5/8/2023 3:49:00 PM
• View Count 2207

When the EPA released updates to the AERMOD modeling system on June 27, 2022, they included updates to AERMET, the preprocessor used to generate meteorological data for use in AERMOD.

Sulfur Dioxide Data Requirements Rule Report Available for Public Review and Comment

• 5/17/2022 8:47:00 AM
• View Count 1082

The DNR invites the public to provide comments on the 2022 report for the sulfur dioxide (SO2) Data Requirements Rule (DRR). The DRR requires an annual assessment of recent SO2 emissions in any area where air quality modeling of actual emissions provided the basis for designating the area attainment for the 2010 1-hour SO2 national ambient air quality standard (NAAQS).

Personal air sensors—adding to our knowledge

• 5/5/2022 8:19:00 AM
• View Count 1156

DES MOINES—As personal air sensors become more popular it’s important to understand their usefulness and their limitations. Air sensors are lower-cost, portable devices that measure air quality.

Low cost air sensors—adding to our knowledge

• 5/6/2021 10:35:00 AM
• View Count 1709

DES MOINES—As part of a nationwide effort involving 16 states, DNR and other Iowa air agencies collected data used to improve results from popular personal air quality sensors.

Popular fish survey data returns to Iowa DNR webpage

• 5/4/2021 2:38:00 PM
• View Count 2323

Iowa anglers can once again access fish survey data collected by Iowa Department of Natural Resources (DNR) fisheries staff during electroshocking and netting surveys on lakes, rivers and streams.

Public Comment Opportunity - Sulfur Dioxide Data Requirements Rule Report

• 5/9/2019 12:12:00 PM
• View Count 2405

The DNR invites the public to provide comment on the 2019 report for the sulfur dioxide (SO2) Data Requirements Rule (DRR).

Sulfur Dioxide Data Requirements Rule Report Available for Public Review and Comment

• 5/17/2018 8:28:00 AM
• View Count 2958

The DNR is evaluating recent changes in sulfur dioxide (SO2) emissions in Des Moines and Wapello Counties in the second annual report required by the federal SO2 Data Requirements Rule (DRR). The DRR requires an annual assessment of recent SO2 emissions in any area where air quality modeling of actual emissions provided the basis for designating the area attainment for the 2010 1-hour SO2 national ambient air quality standard (NAAQS).

Update to Meteorological Data Used for Dispersion Modeling

• 5/3/2018 10:49:00 AM
• View Count 3078

On April 24, 2018, the EPA finalized updated versions (v18081) of the air dispersion modeling software AERMOD, AERMAP and AERMET.

Update to Meteorological Data for Inclusion of New Processor Default

• 5/24/2017 4:53:00 PM
• View Count 3545

On January 17, 2017 the final revisions to the Guideline on Air Quality Models (Appendix W) were published in the Federal Register.  The effective date of the rule was subsequently delayed but became effective on May 22, 2017.

Check DNR website for manure management plan renewal deadlines

• 10/20/2016 8:45:00 AM
• View Count 4171

It’s easy to check the DNR website for the next time your manure management plan (MMP) is due.

Partnership Provides Hands-On Experience for College Students, Helps DNR Data Collection

• 3/1/2016 9:26:00 AM
• View Count 4289

Forty students made their way into the main building on Hawkeye Community College’s farm lab in Waterloo on Wednesday morning where they joined staff from the Iowa Department of Natural Resources unloading a trailer of bobcats and otters for the day’s hands-on biology lesson.

Dispersion Modeling Data and Guidance Updates Available for Use

• 12/4/2015 9:28:00 AM
• View Count 4160

The DNR has updated the pre-processed meteorological data for AERMOD, the default background concentrations, and various guidance documents. Projects with approved protocols that include approval to use the old data, and modeling analyses submitted prior to December 4, 2015, will not have to use the new data. Applicants submitting new projects on or after December 4 should begin using the updated data and guidance immediately. The updates are summarized below.

Opportunity for Comment on Proposed Dispersion Modeling Data and Guidance Updates

• 11/19/2015 3:40:00 AM
• View Count 4481

The DNR is proposing updates to the pre-processed meteorological data for AERMOD, new default background concentrations, updated guidance, and a new air resource availability summary.