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DNR News Releases

Archive by tag: SILReturn
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Four-year project to improve Silver Lake entering final phase

Four-year project to improve Silver Lake entering final phase

  • 8/20/2024 3:32:00 PM
  • View Count 4880
A four-year shoreline restoration project at Silver Lake, in Dickinson County, is entering its final phase, where contractors will continue clearing the honeysuckle, Chinese elm and autumn olive understory next to the lake, then replace it with native prairie to keep the soil in place.  
Shoreline stabilization project underway at Silver Lake

Shoreline stabilization project underway at Silver Lake

  • 3/24/2022 1:42:00 PM
  • View Count 1951
LAKE PARK, Iowa - Work is underway on a shoreline stabilization project on the northwest section of Silver Lake, in Dickinson County, that is part of a water quality improvement project for the 1,032-acre natural lake. Due to the nature of the project, the contractor has temporarily closed the northwest access road.
How do fossils form?

How do fossils form?

  • 5/13/2021 11:47:00 AM
  • View Count 50581
A fossil’s creation can happen in many different ways, but all fossils come from things that lived in a past geological age. They can be as small as a single cell or as giant as a dinosaur skeleton or petrified tree. 
5 Hidden Surprises at Wapsipinicon State Park

5 Hidden Surprises at Wapsipinicon State Park

  • 7/3/2019 2:57:00 PM
  • View Count 10293
Wapsipinicon State Park is a hole-in-one—and we’re not just talking about its golf course. Often referred to as Wapsi, this park is unlike any other Iowa state park because of its especially unique beginnings and natural history. With the help of Park Manager Dennis Murphy, here’s five hidden surprises waiting to be explored at Wapsipinicon. 
Public meeting to discuss Silver Lake improvement plan

Public meeting to discuss Silver Lake improvement plan

  • 11/7/2018 9:45:00 AM
  • View Count 3314
LAKE PARK – The City of Lake Park, Wenck Engineering, and the Iowa Department of Natural Resources (DNR) will host a public meeting at 6 p.m., Nov. 14, at the Lake Park Community Center (903 S Market Street) to discuss plans for improving water quality and recreational opportunities at Silver Lake in Dickinson County.
Did you know that Iowa has nine species of bats?

Did you know that Iowa has nine species of bats?

  • 10/25/2018 8:24:00 AM
  • View Count 26738
Two of the most common bats in Iowa are the little brown bat (Myotis lucifigus) and the big brown bat (Eptesicus fuscus). Like all of the bats in Iowa, they are insectivores and are critical for keeping Iowa’s insect populations in check.
DNR investigating manure spill in Clinton County

DNR investigating manure spill in Clinton County

  • 9/13/2018 12:22:00 PM
  • View Count 2912
CLINTON – Wednesday, while doing a follow-up check on manure application just north of Clinton, the DNR found manure in a tributary of Silver Creek flowing into Silver Creek and about three miles to the Mississippi River.  
DNR to Delay Implementation of Revised PM2.5 SILs

DNR to Delay Implementation of Revised PM2.5 SILs

  • 7/30/2018 8:29:00 AM
  • View Count 2652
On April 17, 2018 EPA released a memo titled “Guidance on Significant Impact Levels for Ozone and Fine Particles in the Prevention of Significant Deterioration Permitting Program.” In this guidance EPA recommended a 24-hour significant impact level (SIL) of 1.2 µg/m3 for particulate matter less than or equal to 2.5 microns in diameter (PM2.5), which is the same level as the previously proposed draft SIL
Opportunity for Comment: PM2.5 SILs and AAR Summary Web Page

Opportunity for Comment: PM2.5 SILs and AAR Summary Web Page

  • 6/8/2018 3:13:00 PM
  • View Count 2953
The DNR is proposing updates to PSD modeling guidance and is announcing the release of a new web page. Specifically, EPA’s recently released PM2.5 Significant Impact Levels (SILs) have been incorporated into the Prevention of Significant Deterioration (PSD) Modeling Guidelines, and a new web page has been added to assist applicants with filling out Form MD. The DNR is providing this information for a two-week informal comment period.
Wastewater discharge in Mills County near Malvern

Wastewater discharge in Mills County near Malvern

  • 10/26/2017 5:24:00 PM
  • View Count 3989
MALVERN –The wastewater operator for the city of Malvern just reported they’ve discovered a break in a sewer main where it crosses Little Creek about one-fourth mile southwest of town.
Updated Greenhouse Gas (GHG) Calculation Tools and Guidance Available

Updated Greenhouse Gas (GHG) Calculation Tools and Guidance Available

  • 3/23/2017 8:33:00 AM
  • View Count 3302
The Air Quality Bureau has updated its “Stationary Fossil Fuel Combustion Calculation Tool” and “GHG Emissions Estimation Guidance” to reflect new global warming potentials (GWP). The revised documents should be used to calculate potential and actual greenhouse gas emissions from stationary sources for Air Quality permit applications.
4 Invasive Species You Can Eat in Iowa

4 Invasive Species You Can Eat in Iowa

  • 8/26/2016 4:14:00 PM
  • View Count 48585
According to the National Invasive Species Information Center, invasive species are plants or wildlife that thrive and spread aggressively outside their native habitat and cause economic or environmental harm. Many are quite tasty, and eating them helps reduce further proliferation in the environment. As always, learn to identify wild edibles from an experienced forager first.
Public Meeting to Discuss Silver Lake's Improvement Plan

Public Meeting to Discuss Silver Lake's Improvement Plan

  • 8/23/2016 1:41:00 PM
  • View Count 4111
MANSON - The Iowa Department of Natural Resources (DNR), Iowa State University and the Silver Lake Protective Association will host a public meeting at 6 p.m., August 29, at the Ayrshire Community Building in Ayrshire, to discuss plans for improving the water quality in Silver Lake in Palo Alto County.
Fastest Forest: 5 Quick-Growing Trees to Plant

Fastest Forest: 5 Quick-Growing Trees to Plant

  • 10/30/2015 4:47:00 AM
  • View Count 59868
If you’re the type that likes quick results, watching a tree grow might seem painfully slow. But that’s no reason not to plant trees this fall, especially with these quick-growing varieties.
21 Outdoor Experiences Every Iowa Kid Needs to Try

21 Outdoor Experiences Every Iowa Kid Needs to Try

  • 7/1/2015 5:24:00 AM
  • View Count 30777
From something as simple as chasing fireflies or hiking a trail to bigger adventures like camping and skiing, there are lots of ways to get kids outdoors in Iowa. Use this as a checklist through the rest of the year to guide your outdoor explorations! Be sure, too, to help your kids make a connection between the activity and protecting Iowa’s natural resources. For example, explain how clean water helps the fish when you’re angling. Talk about habitat when chasing butterflies or frogs. Creating these connections ...
7 Iowa Fish With Open State Records: How to Catch a Record Fish

7 Iowa Fish With Open State Records: How to Catch a Record Fish

  • 6/9/2015 10:51:00 AM
  • View Count 12632
Put your name as the first entry in the history books by catching one of these seven fish species we added to the eligible State Record Fish species list in 2013. With no records for these fish currently,you can be the first to set the record! Try these tips to help you catch a record fish.
Go Ice Climbing this Winter - on an Iowa Grain Silo

Go Ice Climbing this Winter - on an Iowa Grain Silo

  • 2/6/2015 9:07:00 AM
  • View Count 14875
There it stands: a shimmering, crystal tower. A frozen waterfall. A spire of ice. That’s if you look at it from the north side. From the south, it’s just a grain silo.