Double Branch WWTP
Discharge Monitoring Report, June 2001

Parameter Permit Requirement Plant Measurement
Dissolved Oxygen (DO) 6.0 mg/l daily minimum 6.7 mg/l
5-day BOD, Raw Report, weekly average 207 mg/l
  Report, monthly average 161 mg/l
5-day BOD, Effluent 36.0 mg/l max weekly average 5.0 mg/l
  24.0 mg/l max monthly average 4.0 mg/l
pH, Effluent 6.0 SU daily minimum 7.2 SU
  9.0 SU daily maximum 8.0 SU
Total Suspended Solids, Raw Report, weekly average 255 mg/l
  Report, monthly average 217 mg/l
Total Suspended Solids, Effluent 45.0 mg/l weekly average 50.0 mg/l
  30.0 mg/l monthly average 16.0 mg/l
Ammonia, Effluent 2.4 mg/l weekly average 0.20 mg/l
   1.6 mg/l monthly average 0.15 mg/l
Total Flow Report, monthly average MGD 1.022 MGD
  Report, weekly average MGD 2.587 MGD
Fecal Coliform Count, Effluent 2000 col./100 ml daily maximum 120 col./100 ml
  200 col./100 ml monthly average 59 col./100 ml
5-day BOD percent Removal 85% monthly average 98%
Total Suspended Solids Removal 85% monthly average 92%

Comments and Explanations of Violations

1) Exceeded TSS limits on 11 Jun due to heavy rain. Flow that day was 2.587 MG.

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