Orange County NC Website
TMDL De\rs.~opmer <br />I. Problem identifiwGon <br />Target analysis <br />. Source assessment <br />. Linkage ofsomce and Iargcl <br />Determine maximum allowable load <br />Nf~rient Target Selection <br />Lumpetl Se8men6 t-0 Response to New Hope. <br />Northeast, and Morgan Creek Load Reductions <br />Iwlumo-wepMM averapa prowl W.°ason Irequenry of e<al2lans) <br />./m. <br />a met wmoMVO. <br />f is ~~ <br />'m n0°wo <br />~°a <br />$ o~ as° <br />m° <br />u =~ ma <br />d ti', )oo <br />)eo <br />~„ t° <br />01 0, ., ::.:. <br />.a a. o_e °a a. .e ~ plustralion from <br />ea rw.m.memmamwxmw e. <br />Proposed N~1tF ent Targets <br />Upper New Hope Arm Ha~ A`m <br />• 35%TN reduction • 5°/a TN red ction\~ <br />e 5%TP reduction • 20%TP redu lion ~~~ <br />• 8%excursion • 8%excursion <br />frequency frequency <br />--Nutretat Target Selection <br />W mpetl Segments 1A 8 15 Response <br />to Haw Rrver Lpad Changes <br />(mlum°welpbNO avempe pmwinp eeas°n Ircqu°nry ormcuml°ns) <br />A <br />• Developed by Tetra Tech, Inc <br />• Consists of: <br />- Loading Model (GWLF) <br />- Delivery Model <br />- Spreadsheet Tool for aggregating <br />i~- <br />3 <br />