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 2 3 11
PERMIT
PARAMETER
FY
2023
PERMIT
LIMIT
UNITS
EFFLUENT FLOW 6.10 12 MGD
TOTAL PHOSPHORUS 0.29
2.0
Quarterly Avg.
mg/L
TOTAL SUSPENDED SOLIDS < 2.5
30.0
Monthly Avg.
mg/L
BIOCHEMICAL OX YGEN DEMAND < 2.0
4.1 Summer
Monthly Avg.
mg/L
TOTAL NITROGEN 32,256
143,246/
Year
lbs
FECAL COLIFORM 1.0
200
Monthly Avg.
#/100 ml
DISSOLVED OX YGEN 8.2
≥ 5.0
Daily Avg.
mg/L
AMMONIA < 0.10
0.50 Summer
Monthly Avg.
mg/L
pH 7.3 > 6.0 and < 9.0 S.U.
N O R T H C A R Y
W R F
THE NORTH CARY WRF,
OPERATIONAL IN 1984 AS
CARY'S FIRST ADVANCED
TREATMENT FACILIT Y, IS
LOCATED ON OLD REEDY
CREEK ROAD AND SERVES
RESIDENTS AND BUSINESSES
IN NORTHERN CARY.
The facility discharges exceptionally-
treated water to Crabtree Creek, a
tributary of the Neuse River.
