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CONTRACT K-1718-85: A MEMORANDUM OF UNDERSTANDING BY AND BETWEEN THE CITY OF NORMAN, OKLAHOMA, THE CITY OF MOORE, AND THE CITY OF OKLAHOMA CITY TO SHARE THE COSTS ASSOCIATED WITH A BRANDING PROJECT TO HELP WITH JOINT PUBLIC EDUCATION EFFORTS NECESSARY TO COMPLY WITH THE LAKE THUNDERBIRD TOTAL MAXIMUM DAILY LOAD (TMDL).
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BACKGROUND: The Oklahoma Department of Environmental Quality (ODEQ) issued the Total Maximum Daily Load Report (TMDL) for Lake Thunderbird (Lake) and its watershed on November 13, 2013. The goal of the establishment of this TMDL is for the water in Lake Thunderbird to meet state and federal Water Quality Standards (WQS). The report identified two beneficial uses that the Lake does not meet (referred to as nonattainment): Warm Water Aquatic Community and Public and Private Water Supply. This nonattainment is due to impairment in three categories of measurement: turbidity, dissolved oxygen and chlorophyll-a.
Certain pollutants in the water have a detrimental effect on these parameters for the Lake. The City is required to reduce the amounts of these pollutants discharged within its Municipal Separate Storm Sewer System (MS4). The pollutants of concern for monitoring purposes are Total Nitrogen (TN), Total Phosphorus (TP), and Total Suspended Solids (TSS). Modeling of the Lake and its watershed was done by ODEQ to determine the Waste Load Allocations (WLAs) for the three cities in the watershed, Norman, Moore and Oklahoma City.
The City of Norman (Norman) has a vested interest in a successful program as Lake Thunderbird serves as Norman's primary drinking water source. The Cities of Moore and Oklahoma City must also comply with the TMDL; however, neither of these cities use Lake Thunderbird as a source for their drinking water.
All three cities were required to develop and submit Compliance and Monitoring Plans by November 13, 2015. Norman's Compliance and Monitoring Plans (Plans) were developed by Olsson Associates and en...
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