2012 Total Maximum Daily Loads in the

Cimarron, Lower Arkansas, and Upper

Arkansas River Basins

• EPA Approval Letter for Quivira Little Salt and Big Salt Marshes, Chloride, 8/9/2013
• EPA Approval Letter for Quivira Little Salt and Big Salt Marshes, Siltation & Eutrophication, 8/22/2013
• EPA Approval Letter for Pawnee River, Lead & Copper, 6/13/2013
• EPA Approval Letter for Hamilton County SFL and Hamilton WA (Cl, SO4, & Silt), 5/31/2013
• EPA Approval Letter for Mulberry Creek DO, 5/31/2013
• EPA Approval Letter for Jetmore Lake, 6/3/2013
• EPA Approval Letter for Pawnee River Atz, 5/21/2013
• EPA Approval Letter for Memorial Park Lake, 5/21/2013
• EPA Approval Letter for Walnut Creek Se, 5/7/2013
• EPA Approval Letter for Lake Coldwater, 3/22/2013
• EPA Approval Letter for Slate Creek ECB, 3/28/2013
• EPA Approval Letter for Lower Chikaskia River ECB, 3/12/2013
• EPA Approval Letter for Walnut Creek DO, 3/12/2013
• EPA Approval Letter for Pawnee River DO, 3/12/2013
• EPA Approval Letter for Lake Charles, 12/12/2012
• EPA Approval Letter for Concannon SFL, 1/29/2013

Public Hearing Notice for new TMDLs in the Cimarron, Lower Arkansas, and Upper Arkansas River Basins

Lower Arkansas River Basin

• Rattlesnake (HUC 11030009)
  • Quivira Big Salt Marsh - Chloride
  • Quivira Little Salt Marsh – Chloride
  • Quivira Big Salt Marsh – Siltation bundled with Eutrophication
  • Quivira Little Salt Marsh - Siltation bundled with Eutrophication
     
• Middle Arkansas - Slate (HUC 11030013)
  • Slate Creek – E. Coli Bacteria
     
• Chikaskia (HUC 11060005)
  • Lower Chikaskia River – E. Coli Bacteria
     

Cimarron River Basin

• Upper Cimarron (HUC 11040008)
  • Lake Coldwater – Eutrophication
     

Upper Arkansas River Basin

•  Middle Arkansas-Lake McKinney (HUC 11030001)
  • Hamilton County State Fishing Lake – Chloride, Sulfate, Dissolved Oxygen, and Siltation
  • Hamilton Wildlife Area (W.A.) – Chloride, Sulfate, and Siltation

•  Arkansas – Dodge City (HUC 11030003)
  • Lake Charles - Eutrophication

•  Arkansas-Pickerel (HUC 11030004)
  • Mulberry Creek – Dissolved Oxygen

• Pawnee and Buckner (HUC 11030005)
  • Concannon State Fishing Lake – Eutrophication
  • Pawnee River – Atrazine
  • Pawnee River – Dissolved Oxygen
  • Pawnee River – Copper and Lead

• Buckner (HUC 11030006)
  • Jetmore Lake - Eutrophication

• Upper and Lower Walnut Creek (HUC 11030007 & 11030008)
  • Walnut Creek – Selenium
  • Walnut Creek – Dissolved Oxygen

• Lower Walnut Creek (HUC 11030008)
  • Memorial Park (Veterans) Lake – Eutrophication