2026 02 12 Crestmont CC and Eagle Rock Ave Stormwater Management Report

CRESTMONT COUNTRY CLUB EAGLE ROCK AVE IMPROVEMENTS LANGAN PROJECT #101049802 PROPOSED TSS REMOVAL RATE CALCULATIONS FLOWING TO PACKANACK BROOK CRESTMONT COUNTRY CLUB & EAGLE ROCK AVE IMPROVEMENTS LANGAN PROJECT #101049802 Proposed 80% Proposed 80% Proposed 90% Proposed 90% Point of No Treatment No Treatment TSS Removal TSS Removal TSS Removal TSS Removal Analysis (SF) (AC) Rate (SF) Rate (AC) Rate (SF) Rate (AC) POA-1 & POA-2 60,650 1.39 20,347 0.47 17,156 0.39 Proposed TSS Removal Rate = (1.39*0.8) + (0.47*0.90) + (0.39*0) 2.25 = 68.2% \\langan.com\data\PAR\data8\101049801\Project Data\_Discipline\Site Civil\Stormwater\Eagle Rock WQ Calcs