Sewer Mains

Min and Max Pipe Slopes

  • Mannings Equation
  • Table D - Pipe Slopes
  • Uniform Plumbing Code - Grade of Horizontal Drainage Piping

Wastewater Treatment

  • Primary Treatment Standards
    • influent treatment - screen to remove rags, bottles, etc.
  • Secondary Treatment Standards resulting effluent discharged to a stream/lake surface water
    • 5-day biochemical oxygen demand (BOD5)
    • Total Suspended Solids (TSS) removal
    • pH
    • Nutrients
      • phosporas
      • nitrogen
  • Tertiary Treatment
  • Clean Water Act requires National Pollutant (NPDES permit)

Sewer General Notes

Sewer Demand

Sewer Line Rules

Wastewater Treatment

Wetland Construction

Idaho Department of Environmental Quality

Removal of Phosphate


Seepage Bed - Parking Onsite Retention

  • Figure 1-0 Carl's Jr - Jerome ID Seepage Bed

Abandon Septic Tank - New Sewer Connection


  1. Building Permit Number (PAC# for Clark County)
  2. CCWRD Plan Review (no review or inspection fees)
    1. submit Data Sheet
    2. only 1 copy of plan
    3. calculations must be on both plan and data sheet
    4. Data sheet needs both Engineer's email and Client's email address
  3. Mylar signatures
  4. Mylar approval
    1. no signature required by SNHD
  5. Sewer Connection Application (Clark County Water Reclamation ? Customer Service ? Sewer Connection ? Download application)
    1. Rate Resolution (fee chart)
    2. fee \$1600 conversion from septic to public sewer

- fee \$2195 new construction

  1. Offsite Building Permit
    1. Posting Bonds (702-455-1087)
    2. Bond
    3. Off-site improvement agreement(OSIA)
    4. Legal description
    5. Personal check for county fees
    6. Articles of Organization of Secretary of State Proof of Signatory
    7. Certificate of Liability Proof of Insurance (\$1,000,000)
  2. hire Class A General Contractor
  3. fill in septic tank with soil
    1. take pictures and submit to SNHD



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