Jason Papacosma, Arlington, VA

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Key Points Retrofit levels needed under Scenario 1 exceed masterplan-identified potential and not feasible by 2027 Stream restoration credit level very importantCSN proposed interim credits make stream restoration themost ‘productive’ urban BMP – by a large marginPredict final credit will be lower – and harder to claim? Throughput limitations for delivering retrofits and streamrestoration a strong reality Redevelopment reductions will help but only a little overthis relatively short timeframe
Interim strategy Use surplus N and P credits from <strong>Arlington</strong>’sPOTW to achieve compliance Gain time (30+years) to implement retrofitsand stream restoration projects Will not cover sediment reductions or addresslocal TMDLs
Page 1 and 2: Arlington, VAMS4 Permit andTMDL cha
Page 3 and 4: 2008 - established dedicated fundin
Page 5 and 6: Why this MS4 Permit is different Ch
Page 7 and 8: Chesapeake Bay TMDL& Arlington MS4
Page 9: Costs Scenario 1: Estimated costs i
Page 13 and 14: The ‘ideal’ permit? Ambitious p

Jason Papacosma, Arlington, VA

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