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Discharge Permits

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Who Needs a Permit?

  • Any business designated as a significant industrial user (SIU, including categorical industrial users) whether they discharge or not
  • Any business claiming a hazardous waste generator status of Large Quantity Generator (LQG) or Small Quantity Generator (SQG) and discharging process wastes to the sanitary sewer via a stationary holding tank.
  • Any business with an RV dump site discharging to the POTW
  • Any waste hauler discharging to the POTW

Contact IPP at (303 651-8667) or Email the IP Program.

Fee Schedule

Annual Fees

Annual fee invoices are mailed in January/February

  • Permitted Discharges <500 gallons per day =$300.00
  • Permitted Discharges 500-25,000 gallons per day =$700.00
  • Permitted Discharges >25,000 gallons per day =$1,000.00

Application Fees - due with permit application (every 3 years)

  • Discharge permits =$500.00
  • Zero discharge permits =$50.00
  • One-time discharge letter for permission =$50.00

Surcharge Fees

Surcharge fees may be applicable for discharge with high pollutant loads for BOD, TSS or TKN.  Contact IPP for more information

Brochures Available:

  • Selecting Contract Lab Services 
  • Discharge Permits vs Zero Discharge Permits, cost comparison
  • Signatory Officials Defined
  • Baseline Monitoring Reports (BMR)
  • Self Monitoring Reports (SMR) 
  • Compliance Schedule Reports
  • Reporting Violations
  • How to Avoid Significant Non-Compliance (SNC)
  • Waste Management Plan (WMP)
  • Toxic Organic Management Plan (TOMP)
  • Closure Management Plan (CMP)

Contact IPP at (303 651-8667) or Email the IP Program to obtain more information on reporting requirements and best management practices associated with individual discharge permits, zero discharge permits and hauled wastes permits.

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