NC0026051_report_19940722 (2)

North Carolina Division of Environmental Management
Water Quality Section / Intensive Survey Group
July 22, 1994
MEMORANDUM
To: Ruth Swanek
Through: Jay Sauber .cr
From: Howard Bryant 7,1 . '1k/3
Subject: Long-term BOD Analysis forDurham County Triangle WWTP
County: Durham
NPDES # NC0026051
Receiving Stream: Northeast Creek
Sub -basin: 030605
DAY BOD NH3-N TKN-N NOX-N TN-N
0 0.66 2.4 6.70 9.1
5 16.16 0.10 1.4 6.90 8.3
10 21.69 0.01 1.4 6.80 8.2
15 28.07 0.03 1.1 6.60 7.7
20 30.77 0.02 1.1 8.40 9.5
25 33.03 0.01 1.3 7.00 8.3
30 35.16 0.01 1.2 7.40 8.6
35 37.03
40 38.92
50 40.74
60 41.73 0.06 1.2 8.40 9.6
70 42.76
80 43.17
90 43.86 0.08 1.1 8.20 9.3
100 44.44
110 44.81
120 45.17 0.05 1.0 7.50 8.5
140 45.74
Date Collected: February 15, 1994 Collected by: Redmond
0800-0800
cc: Central Files
Regional Water Quality Supervisor
Test evaluation: excellent
pH: 7.4 Seeded: seeded