Patterson City Council
November 15, 2022

WQCF Local
Limits
November 15, 2022
Introduction
• Mission
• Local Limits
• Consultant
Background
• Constituents
• BOD
• TSS
• TN
• WDR
Analysis
• Influent
• Effluent
• Design Specifications
Local Limits
Parameter Concentration Unit
BOD5 240 mg/L
TSS 220 mg/L
EC 2,940 umhos/cm
TDS 1,250 mg/L
TKN 40 mg/L
Sodium 510 mg/L
Chloride 460 mg/L
Arsenic 1.00 mg/L
Selenium 2.00 mg/L
pH 6.5 – 8.5 -
Cadmium 0.70 mg/L
Chromium 1.00 mg/L
Copper 2.70 mg/L
Cyanide 1.00 mg/L
Lead 0.40 mg/L
Mercury 0.01 mg/L
Zinc 2.60 mg/L
Nickel 2.60 mg/L
Silver 0.70 mg/L
Temperature at
interceptor
100 °F
Goal
• Compliance
• Protect Groundwater
• Recommend Council
Approval of Attached
Resolution