NC0021601_report_19970619

North Carolina Division of Water Quality
Environmental Sciences Branch
June 19, 1997
MEMORANDUM
To: Ruth Swanek
Through: Jay SauberKfigA
From: Howard Bryant ({-vJ3
Subject: Long-term BOD Analysis for Tryon WWTP, Town of
County: Polk
NPDES # NC0021601
Receiving Stream: Vaughn Creek
Sub -basin: 030806
DAY BOD NH3-N TKN-N NOX-N TN-N
0 0.16 0.7 1.90 2.6
5 1.91 0.20 0.7 1.90 2.6
10 2.58
15 3.45 0.29 0.7 1.90 2.6
20 4.27
25 4.92
30 5.46 0.03 0.6 2.30 2.9
35 5.88
40 6.25
50 6.86
60 7.25 0.03 0.6 2.20 2.8
70 7.82
80 8.19
90 8.42 0.01 0.7 2.30 3.0
100 8.66
110 8.92
120 9.09 0.01 0.3 2.20 2.5
200 10.65
Date Collected: October 2, 1996 Collected by: Frazier
0800-0800
cc: Central Files
Regional Water Quality Supervisor
Test evaluation: excellent
pH: 7.9 Seeded: seeded