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Water Quality Improvement Plans
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Watershed improvement projects
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Newsletters
Nonpoint source pollution issues
Nutrient issues
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*.pdf |
| Beeds Lake |
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| Big Sioux River |
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| Black Hawk Creek |
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| Blue Lake |
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| Cedar River |
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| Des Moines and Raccoon Rivers |
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| East Fork Des Moines River |
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| East Lake Osceola |
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| Five Island Lake |
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| George Wyth Lake |
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| Lake Cornelia |
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| Lake Geode |
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| Littlefield Lake |
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| Lost Island Lake |
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| Maquoketa River |
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| McLoud Run |
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| Milford Creek |
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| North Fork Maquoketa River |
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| Raccoon River (2007) |
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| Silver Lake (Dickinson County) |
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| Trumbull Lake |
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| Union Grove Lake |
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| Volga River |
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(Listed by date)
| Waterbody |
*.pdf |
Impairment |
Submitted to EPA |
Approved by EPA |
| Beaver Slough |
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Organic Enrichment |
EPA Document |
Jan. 19, 2010 |
| Lower Des Moines River |
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Bacteria |
Oct. 23, 2009 |
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| Hecker Creek (Stressor Identification) |
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| Des Moines River |
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Nitrate |
August 17, 2009 |
Sept. 25, 2009 |
| Union Grove Lake |
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Algae, turbidity, pH, bacteria |
July 7, 2009 |
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| Silver Lake (Dickinson Co.) |
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Turbidity |
March 12, 2009 |
Sept. 9, 2009 |
| Lake Geode |
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Bacteria and pH |
Feb. 12, 2009 |
Sept. 25, 2009 |
| Silver Lake (Delaware) |
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Nuisance algal growth, pH, turbidity and ammonia |
Oct. 28, 2008 |
Dec. 15, 2009 |
| Lost Island Lake |
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Turbidity |
Oct. 23, 2008 |
Feb. 5, 2009 |
| George Wyth Lake |
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Bacteria - Pathogens |
Sept. 5, 2008 |
Dec. 11, 2008 |
| Blue Lake |
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Algae, turbidity |
May 29, 2008 |
Jan. 2, 2009 |
| East Fork Des Moines River |
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Bacteria - Pathogens |
May 23, 2008 |
Jan. 2, 2009 |
| Milford Creek |
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Phosphorous |
April 30, 2008 |
Dec. 11, 2008 |
| East Lake Osceola |
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Algae, turbidity |
Feb. 19, 2008 |
May 14, 2008 |
| Big Sioux River |
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Pathogens (E. coli) |
Aug. 28, 2007 |
Jan. 24, 2008 |
| Raccoon River |
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Nitrates, Pathogens (E. coli) |
Dec. 17, 2007 |
June 24, 2008 |
| Middle Fork South Beaver Creek |
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Nutrients, siltation |
Aug. 24, 2007 |
Oct. 18, 2007 |
| Carter Lake |
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Algae, turbidity |
June 20, 2007 |
Aug. 30, 2007 |
| McLoud Run |
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Thermal |
June 6, 2007 |
Aug. 10, 2007 |
| North Fork Maquoketa River |
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Ammonia, nutrients, sedimentation |
March 7, 2007 |
April 11, 2007 |
| North Fork Maquoketa River Stressor Identification |
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| Iowa River |
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Pathogens |
March 20, 2007 |
June 18, 2007 |
| Cedar River |
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Nitrates |
Sept. 22, 2006 |
Jan. 24, 2007 |
| Black Hawk Creek |
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Pathogens |
Sept. 20, 2006 |
Nov. 9, 2006 |
| Volga River |
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Pathogens |
Sept. 20, 2006 |
Nov. 9, 2006 |
| Maquoketa River |
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Pathogens |
Sept. 20, 2006 |
Nov. 9, 2006 |
| Five Island Lake |
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Algae, turbidity |
Sept. 19, 2006 |
Sept. 29, 2006 |
| Lake Cornelia |
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Algae, turbidity |
June 19, 2006 |
July 24, 2006 |
| Littlefield Lake |
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Algae, turbidity |
Aug. 16, 2006 |
Sept. 22, 2006 |
| Trumbull Lake |
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Algae, turbidity |
Sept. 19, 2006 |
Sept. 29, 2006 |
| Silver Lake (Worth) |
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Algae, turbidity |
Feb. 20, 2006 |
Apr. 3, 2006 |
| Beeds Lake |
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Pathogens |
Feb. 20, 2006 |
Apr. 3, 2006 |
| Spring Lake |
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Turbidity |
Jan. 26, 2006 |
Mar. 13, 2006 |
| Ottumwa Lagoon |
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Algae, chlordane, turbidity |
Nov. 18, 2005 |
Dec. 28, 2005 |
| Camp Creek |
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Phosphorus, sediments |
July 19, 2005 |
Aug. 17, 2005 |
| Cedar Lake |
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Nitrates |
March 14, 2005 |
June 6, 2005 |
| Little Floyd River |
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Dissolved oxygen, sediments |
April 25, 2005 |
June 6, 2005 |
| Lake Macbride |
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Nutrients, siltation |
March 1, 2005 |
May 3, 2005 |
| Yeader Creek |
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Priority organics |
Feb. 8, 2005 |
May 3, 2005 |
| Easter Lake |
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Siltation, nutrients |
Feb. 15, 2005 |
May 3, 2005 |
| Storm Lake |
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Turbidity |
March 1, 2005 |
May 3, 2005 |
| Lake Smith |
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Noxious aquatics |
Feb. 1, 2005 |
March 10, 2005 |
| Pierce Creek Pond |
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Turbidity (non-algal) |
Feb. 1, 2005 |
March 10, 2005 |
| Don Williams Lake |
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Organics, siltation |
Feb. 1, 2005 |
March 10, 2005 |
| Indian Lake |
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Noxious aquatics, organics |
Feb. 1, 2005 |
March 10, 2005 |
| Clear Lake |
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Algae, turbidity |
Feb. 1, 2005 |
March 10, 2005 |
| Lake Meyer |
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Nutrients, siltation |
Feb. 1, 2005 |
March 10, 2005 |
| Little Wall Lake |
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Turbidity, algae |
Dec. 19, 2005 |
March 21, 2006 |
| Williamson Pond |
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Turbidity |
Dec. 19, 2005 |
March 21, 2006 |
| Ingham Lake |
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Algae, turbidity |
Dec. 14, 2004 |
Jan. 13, 2005 |
| Little Spirit Lake |
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Algae, turbidity |
Dec. 14, 2004 |
Jan. 13, 2005 |
| Silver Lake (Palo Alto) |
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Turbidity, algae |
Dec. 14, 2004 |
Jan. 13, 2005 |
| Tuttle Lake |
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Algae, turbidity |
Dec. 14, 2004 |
Jan. 13, 2005 |
| Upper Gar Lake |
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Algae, turbidity |
Dec. 14, 2004 |
Jan. 13, 2005 |
| North Twin Lake |
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Algae, turbidity |
Nov. 12, 2004 |
Dec. 14, 2004 |
| Swan Lake |
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Algae, turbidity |
Nov. 12, 2004 |
Dec. 14, 2004 |
| Mariposa Lake |
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Algae, turbidity |
Nov. 12, 2004 |
Dec. 14, 2004 |
| Mud Creek |
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Organics |
June 16, 2003 |
July 30, 2003 |
| Lower Gar Lake |
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Turbidity |
Dec. 14, 2002 |
May 13, 2003 |
| Lower Pine Lake |
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Organics |
Dec. 14, 2002 |
May 13, 2003 |
| Upper Pine Lake |
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Siltation |
Dec. 14, 2002 |
May 13, 2003 |
| Badger Creek |
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Nutrients, siltation |
Dec. 13, 2002 |
Jan. 30, 2003 |
| Lake of Three Fires |
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Nutrients, siltation |
Dec. 13, 2002 |
Jan. 30, 2003 |
| Arbor Lake |
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Nutrients, siltation |
Dec. 13, 2002 |
Jan. 30, 2003 |
| Lake Darling |
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Nutrients, siltation |
Dec. 13, 2002 |
Jan. 30, 2003 |
| Lake Icaria |
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Siltation |
Dec. 13, 2002 |
Jan. 30, 2003 |
| West Lake (Osceola) |
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Atrazine |
Aug. 13, 2002 |
Oct. 28, 2002 |
| West Lake Appendix 1 |
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| West Lake Appendix 2 |
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| Lake Keomah |
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Siltation |
Aug. 13, 2002 |
Oct. 28, 2002 |
| Crystal Lake |
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Organics |
Aug. 13, 2002 |
Oct. 28, 2002 |
| Crystal Lake Appendix A |
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| Silver Lake (Delaware) |
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Nutrients, siltation |
Dec. 14, 2001 |
Jan. 28, 2002 |
| Yellow Smoke Lake |
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Siltation |
Dec. 14, 2001 |
Jan. 28, 2002 |
| Rock Creek Lake |
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Nutrients, siltation |
Dec. 14, 2001 |
Jan. 28, 2002 |
| Lake Miami |
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Siltation |
Dec. 14, 2001 |
Jan. 28, 2002 |
| Bob White Lake |
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Siltation |
Dec. 14, 2001 |
Jan. 28, 2002 |
| Arrowhead Pond |
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Siltation |
Dec. 14, 2001 |
Jan. 28, 2002 |
| Fairfield Municipal Reservoir 2 |
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Siltation |
July 31, 2001 |
Aug. 28, 2001 |
| Cedar Lake |
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Nutrients, organics |
July 31, 2001 |
Aug. 28, 2001 |
| Binder Lake |
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Siltation |
July 31, 2001 |
Aug. 28, 2001 |
| Orient Lake |
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Siltation |
July 31, 2001 |
Aug. 28, 2001 |
| Slip Bluff Lake |
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Siltation |
July 31, 2001 |
Aug. 28, 2001 |
| West Lake - Corning |
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Siltation |
July 27, 2001 |
Aug. 24, 2001 |
| Nine Eagles Lake |
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Turbidity |
Dec. 28, 2000 |
Jan. 25, 2001 |
| Rock Creek |
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Ammonia, nitrogen |
Dec. 28, 2000 |
Jan. 25, 2001 |
| Corydon Reservoir |
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Atrazine |
Nov. 8, 2000 |
Dec. 11, 2000 |
DNR Contacts
Jeff Berckes
Water Quality Improvement Plan (TMDL) Program Coordinator
(515) 281-4791
Jeff.Berckes@dnr.iowa.gov
Jessie Brown
Information Specialist
(515) 281-5131
Jessie.Brown@dnr.iowa.gov
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