S O U T H C A R Y WAT E R
R E C L A M AT I O N FAC I L I T Y
THE SOUTH CARY WRF, CONSTRUCTED IN 1988, HAS A BIOSOLIDS DRYER THAT
PRODUCES PELLETIZED FERTILIZER CALLED "ENVIRO GEMS." LOCATED ON WEST LAKE
ROAD, THE FACILITY SERVES RESIDENTS AND BUSINESSES IN SOUTHERN CARY AND
DISCHARGES EXCEPTIONALLY-TREATED WATER INTO MIDDLE CREEK, A TRIBUTARY OF
THE NEUSE RIVER.
12 WA S T E WAT E R A N N UA L R E P O R T 2 0 1 7 – 2 0 1 8
SOUTH CARY WATER RECLAMATION FACILITY
PERMIT PARAMETER FY 2018 PERMIT LIMIT UNITS
Effluent Flow 4.66 12.8 MGD
Total Phosphorus 0.45 2.0 Quarterly Avg. mg/L
Total Suspended Solids <2.5 30.0 Monthly Avg. mg/L
Biochemical Oxygen Demand <2.0 5.0 Summer Monthly Avg. mg/L
Total Nitrogen 29,794 180,210/Year lbs
Fecal Coliform 1.5 200 Monthly Avg. #/100 ml
Dissolved Oxygen 7.4 >5.0 Daily Avg. mg/L
Ammonia 0.11 1.0 Summer Monthly Avg. mg/L
pH 6.8 >6.0 & <9.0 Standard Units S.U.
