LOWER ARKANSAS RIVER BASIN TOTAL MAXIMUM DAILY LOAD Waterbody: Cheney
LOWER ARKANSAS RIVER BASIN TOTAL MAXIMUM DAILY LOAD Waterbody: Cheney Lake Water Quality Impairment: Eutrophication Revision to Eutrophication TMDL originally approved September 11, 2000 1. INTRODUCTION AND PROBLEM IDENTIFICATION Subbasin: North Fork Ninnescah Counties: Kiowa, Reno, Stafford, Pratt, Kingman, and Sedgwick HUC 8: 11030014 HUC 10 (12): 01 (01, 02, 03, 04, 05, 06, 07, 08, 09) 02 (01, 02, 03, 04, 05) 03 (01, 02, 03, 04, 05) Ecoregion: Great Bend Sand Prairie (27c), Wellington-McPherson Lowland (27d) Watershed Drainage Area: 991 mi2 Contributing Drainage Area: 664 mi2 Conservation Pool: Surface Area = 9,937 acres Watershed Drainage Area/Lake Surface Area Ratio: 641:1 Maximum Depth = 12.5 meters Mean Depth = 5.1 meters Storage Volume = 167,000 acre-feet Estimated Retention Time = 1.5 year Mean Annual Inflow = 148,955 acre-feet Mean Annual Discharge (at Dam) = 65,253 acre-feet Mean Annual Municipal Withdrawal = 40,327 acre-feet Constructed: 1964 Designated Uses: Primary Contact Recreation Class A; Expected Aquatic Life Support; Domestic Water Supply; Food Procurement; Groundwater Recharge; Industrial Water Supply; Irrigation Use; Livestock Watering Use. 303(d) Listings: 2002, 2004, 2008, 2010, 2012, & 2014 Lower Arkansas River Basin Lakes. Impaired Use: All uses in Cheney Lake are impaired to a degree by eutrophication. 1 Water Quality Criteria: 11 µg/L Chlorophyll a (Kansas Surface Water Quality Standards Tables of Numeric Criteria (January 21, 2015), Table 1K). General – Narrative: Taste-producing and odor-producing substances of artificial origin shall not occur in surface waters at concentrations that interfere with the production of potable water by conventional water treatment processes, that impart an unpalatable flavor to edible aquatic or semiaquatic life or terrestrial wildlife, or that result in noticeable odors in the vicinity of surface waters (KAR 28-16-28e(b)(7)).
[Show full text]