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Tips to avoid fish kills

Tips to avoid fish kills

  • 9/3/2019 2:33:00 PM
  • View Count 412
Avoiding a fish kill starts with understanding why they happen most often during mid- to late summer. Several factors contribute, but remember fish and aquatic animals like crayfish, frogs and beneficial insects are most vulnerable during hot, dry weather. Usually stream and pond levels are lower, vegetation and algae levels are higher and water temperatures are warmer. These factors combine to reduce dissolved oxygen levels, stressing aquatic animals.
DNR investigating fish kill near Jefferson

DNR investigating fish kill near Jefferson

  • 8/22/2019 6:36:00 AM
  • View Count 477
JEFFERSON—DNR is onsite investigating a fish kill in Hardin Creek about two miles east of Jefferson in Greene County at 5 p.m. today.
Floyd County fish kill investigated

Floyd County fish kill investigated

  • 8/1/2019 4:00:00 PM
  • View Count 826
CHARLES CITY—DNR specialists investigated a fish kill on a tributary of Flood Creek about four miles west of Charles City Wednesday.
Fish kills illustrate stream vulnerability

Fish kills illustrate stream vulnerability

  • 7/25/2019 2:48:00 PM
  • View Count 622
DES MOINES—Three fish kills reported to DNR in two days illustrate the importance of taking extra caution with chemicals and other pollutants when the weather is hot and dry.
DNR investigating fish kill on lower Walnut Creek

DNR investigating fish kill on lower Walnut Creek

  • 7/24/2019 10:45:00 AM
  • View Count 534
DES MOINES -- The DNR is investigating a fish kill along a two-mile stretch of lower Walnut Creek after a citizen reported seeing dead fish yesterday. DNR field staff were onsite yesterday and continue to investigate.
Fish kill reported in Dubuque County

Fish kill reported in Dubuque County

  • 3/28/2019 8:55:00 AM
  • View Count 692
PEOSTA, Iowa – On Monday, March 25, DNR environmental specialists and fisheries staff began investigating a fish kill caused by manure runoff in Dubuque County.
Fish kill north of Runnells appears limited to five miles

Fish kill north of Runnells appears limited to five miles

  • 7/25/2018 8:47:00 AM
  • View Count 958
PLEASANT HILL - A fish kill that began in Camp Creek east of Pleasant Hill and about five miles north of Runnells in Polk County appears to be limited to less than five miles of Camp Creek, DNR investigators said today.
Fish kill under investigation in Dubuque County

Fish kill under investigation in Dubuque County

  • 5/12/2018 8:47:00 AM
  • View Count 1321
PEOSTA - The DNR was unable to determine the cause of a fish kill in Whitewater Creek, Dubuque County, that occurred sometime in the first week of May.
DNR investigates fish kill near Dyersville

DNR investigates fish kill near Dyersville

  • 10/12/2017 9:01:00 AM
  • View Count 1542
DYERSVILLE – Monday and Tuesday DNR staff from the Manchester field office looked for the source of a fish kill on Hickory and Hewitt Creeks in Dubuque County.
Avoid Late Summer Fish Kills

Avoid Late Summer Fish Kills

  • 9/18/2017 9:08:00 AM
  • View Count 1191
Low stream levels, high temperatures and dry conditions set the stage for potential water quality issues and fish kills. Even small amounts of polluted runoff can affect fish and other aquatic organisms under these conditions.
Le Mars fish kill likely came from local business

Le Mars fish kill likely came from local business

  • 9/1/2017 1:32:00 PM
  • View Count 1503
LE MARS - After looking for the cause of a fish kill in a small stream west of Le Mars Thursday afternoon, DNR traced the source to a local industry that uses ammonia as a refrigerant.
DNR tracks fish kill to dairy near Decorah

DNR tracks fish kill to dairy near Decorah

  • 8/26/2017 8:35:00 AM
  • View Count 1523
DECORAH - The Wednesday morning report of a fish kill about four miles southwest of Decorah sent DNR staff to investigate Dry Run Creek that afternoon.
Hot weather taking its toll on fish

Hot weather taking its toll on fish

  • 8/10/2017 12:55:00 PM
  • View Count 2286
The end of summer is the worst time for underwater dwellers. When temperatures are high and oxygen levels are low, fish and other water critters are particularly vulnerable.
Hot weather taking its toll on fish

Hot weather taking its toll on fish

  • 8/8/2017 1:43:00 PM
  • View Count 1909
The end of summer is the worst time for underwater dwellers. When temperatures are high and oxygen levels are low, fish and other water critters are particularly vulnerable.
Citizens report Casey Lake fish kill

Citizens report Casey Lake fish kill

  • 6/8/2017 1:51:00 PM
  • View Count 3818
TAMA COUNTY — A fish kill of more than 1,000 small black crappies at Casey Lake in Hickory Hills Park appears to be from natural spawning stress. 
Howard County fish kill tracked to land application

Howard County fish kill tracked to land application

  • 10/4/2016 1:46:00 PM
  • View Count 2435
RICEVILLE – DNR staff investigated the report of a fish kill on a tributary of the Wapsipinicon River on Sept. 28 about 2.5 miles south of Riceville in Howard County.
Cattle manure identified as source of fish kill in Jackson County

Cattle manure identified as source of fish kill in Jackson County

  • 9/23/2016 3:21:00 PM
  • View Count 2284
ANDREW – The Iowa Department of Natural Resources (DNR) has identified a small beef open feedlot as the source of a 3.5-mile- long fish kill investigated Sept. 9 in Upper Brush Creek, a trout stream north of Andrew in Jackson County.
Be careful, late summer is prime time for fish kills

Be careful, late summer is prime time for fish kills

  • 8/24/2016 2:22:00 PM
  • View Count 3339
Unfortunately the end of summer is the worst time for underwater dwellers. In August and September, temperatures are often high, oxygen levels tend to be low and if stream levels are low, fish and other water critters can be especially vulnerable. 
Results of Emmet County Fish Kill Available

Results of Emmet County Fish Kill Available

  • 8/5/2016 8:36:00 AM
  • View Count 2171
SUPERIOR – At least 605 fish were killed about four miles northwest of Estherville, according to numbers released today by Iowa DNR.  
DNR Investigating O'Brien County Fish Kill

DNR Investigating O'Brien County Fish Kill

  • 6/30/2016 4:11:00 PM
  • View Count 2539
SUTHERLAND – The DNR responded to a manure spill in O’Brien County about five miles northeast of Sutherland Thursday afternoon.
DNR Investigating Wastewater Discharge, Fish Kill in Eddyville

DNR Investigating Wastewater Discharge, Fish Kill in Eddyville

  • 4/21/2016 8:02:00 AM
  • View Count 2678
EDDYVILLE – The Iowa Department of Natural Resources is investigating a fish kill following a discharge of partially treated wastewater into an unnamed tributary of the Des Moines River early Thursday morning.
Producer Acted Quickly in Allamakee County Fish Kill

Producer Acted Quickly in Allamakee County Fish Kill

  • 10/15/2015 8:33:00 AM
  • View Count 2729
NEW ALBIN – When a pipe coupler on manure application equipment broke Monday southwest of New Albin, the quick thinking of landowner and hog producer David Weymiller contained manure preventing a much worse situation.
 Fish Kill and Manure Release in Allamakee County

Fish Kill and Manure Release in Allamakee County

  • 10/13/2015 10:41:00 AM
  • View Count 2395
NEW ALBIN – A pipe coupler on manure application equipment broke Monday, allowing manure to reach Clark Creek about 1.5 miles above where the creek flows into the Upper Iowa River southwest of New Albin.
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