Double Branch WWTP
Discharge Monitoring Report, July 2002

Parameter Permit Requirement Plant Measurement
Dissolved Oxygen (DO) 6.0 mg/l daily minimum 6.8 mg/l
5-day BOD, Raw Report, weekly average 251 mg/l
  Report, monthly average 209 mg/l
5-day BOD, Effluent 36.0 mg/l max weekly average 5.0 mg/l
  24.0 mg/l max monthly average 3.0 mg/l
pH, Effluent 6.0 SU daily minimum 7.7 SU
  9.0 SU daily maximum 8.0 SU
Total Suspended Solids, Raw Report, weekly average 300 mg/l
  Report, monthly average 243 mg/l
Total Suspended Solids, Effluent 45.0 mg/l weekly average 28.0 mg/l
  30.0 mg/l monthly average 10.0 mg/l
Ammonia, Effluent 2.4 mg/l weekly average 0.20 mg/l
   1.6 mg/l monthly average 0.18 mg/l
Total Flow Report, monthly average MGD 0.803 MGD
  Report, weekly average MGD 1.004 MGD
Fecal Coliform Count, Effluent 2000 col./100 ml daily maximum 140 col./100 ml
  200 col./100 ml monthly average 61 col./100 ml
5-day BOD percent Removal 85% monthly average 99%
Total Suspended Solids Removal 85% monthly average 96%

Comments and Explanations of Violations

1) TSS Effluent limits were exceeded one day (15 Jul 02) due to a clogged sludge return line.

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