Double Branch WWTP
Discharge Monitoring Report, March 2001

Parameter Permit Requirement Plant Measurement
Dissolved Oxygen (DO) 6.0 mg/l daily minimum 7.1 mg/l
5-day BOD, Raw Report, weekly average 115 mg/l
  Report, monthly average 93 mg/l
5-day BOD, Effluent 36.0 mg/l max weekly average 6.0 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 226 mg/l
  Report, monthly average 179 mg/l
Total Suspended Solids, Effluent 45.0 mg/l weekly average 35.0 mg/l
  30.0 mg/l monthly average 16.0 mg/l
Ammonia, Effluent 7.3 mg/l weekly average 0.17 mg/l
   4.9 mg/l monthly average 0.16 mg/l
Total Flow Report, monthly average MGD 0.936 MGD
  Report, weekly average MGD 1.849 MGD
Fecal Coliform Count, Effluent 2000 col./100 ml daily maximum 60 col./100 ml
  1000 col./100 ml monthly average 34 col./100 ml
5-day BOD percent Removal 85% monthly average 97%
Total Suspended Solids Removal 85% monthly average 91%

Comments and Explanations of Violations

1) TSS limits exceeded 3 days -- 05 Mar due to rain; 27 & 28 Mar due to Poplar Street well flushing. However, weekly and monthly permit requirements were met. 

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