C A RY, N O RT H C A R O L I N A A N N U A L WAST E WAT E R R E P O R T 2 0 25 13
W E ST E R N
WA K E
R E G I O N A L
W R F
THE WESTERN WAKE
REGIONAL WRF BEGAN
OPERATION IN 2014.
The facility is a biological nutrient removal
facility, located on Reclamation Road,
and serves residents and businesses in
the towns of Apex, Cary, and Morrisville.
The facility discharges exceptionally-
treated water to the Cape Fear River
downstream of the Buckhorn Dam.
PERMIT
PARAMETER
FY
2025
PERMIT
LIMIT
UNITS
Effluent Flow 7.41 18 MGD
Total Phosphorus 0.39
0.75
Monthly Avg.
mg/L
Total Suspended Solids 2.6
30.0
Monthly Avg.
mg/L
Biochemical Oxygen Demand 2.1
5.0 Summer
Monthly Avg.
mg/L
Total Nitrogen 55,668
112,400/
Summer Total
lbs
Fecal Coliform 4.2
200
Monthly Avg.
#/100 ml
Dissolved Oxygen 8.5
≥ 6.0
Daily Avg.
mg/L
Ammonia 0.12
1.0 Summer
Monthly Avg.
mg/L
pH 7.4 > 6.0 and < 9.0 S.U.
WESTERN WAKE REGIONAL WRF RECEIVED A NOTICE OF
VIOLATION (NOV-2024-LV-0729).
The violation, dated August 15, 2024, cited an exceedance of the monthly
average summer phosphorus limit of 0.75 mg/L, with a reported value of
1.181 mg/L on May 31, 2024.
