GUIDANCE DOCUMENT FOR DIOXINS MONITORING REQUIREMENT ISSUED AUGUST 1, 2012.

MISSION STATEMENT - Protect the City's freshwater resources and wastewater treatment plants by enforcing local, state and federal regulations governing wastewater discharges to the City's wastewater and stormwater collection systems.

Permits: IWU administers PWD's EPA-mandated Pretreatment Program, regulating industrial wastewater discharges to the City's sewers and wastewater treatment plants.  Additionally, IWU evaluates applications and issues permits for various types of non-routine discharges to the City's sewers.

IWU's "Permits" page contains information about all permits issued and administered by the industrial waste unit: wastewater, groundwater, septage and manhole

• Guidelines for determining permit applicability
• FAQ's
• Example permits
• Permit applications

Surcharge: The surcharge program recovers the costs for treating wastewater that exceeds the characteristics of a normal residential wastewater. The Industrial Waste Unit administers the City's surcharge program by identifying surchargeable customers and sampling their wastewater. 

Sewer Rental Factor: The Sewer Rental Factor is a Department-issued adjustment to the sewer portion of a customer's water/sewer bill based on documented evidence of water not returned to the sewer.

• FAQs and Application

Emergency Response: IWU provides 24-hour response to environmental emergencies in cooperation with Police, Fire, and other agencies.

PCB Minimization: IWU administers PWD's PCB Pollutant Minimization Plan to identify sources of and reduce the discharge of PCBs to the City's sewer system.

To help the Industrial Waste Unit identify potential sources of PCBs that may be discharged to the City sewer system please complete this survey if your facility contains liquid cooled transformers or capacitors, or hydraulic equipment.

Pretreatment Times: The Pretreatment Times is a semi-annual publication addressing various topics of concern for permitted industrial facilities.  The most recent copy can be found HERE, or proceed to the DOWNLOADS page for archived versions.