City Ordinances Pertaining to the Environmental & Technical Division:

Stormwater Discharge Ordinance
Stormwater Utility Ordinance
Erosion Control Ordinance

National Pollutant Discharge Elimination System (NPDES)

NPDES Permit #10290
Permit Evaluation Report and Fact Sheet
Stormwater Management Program Report
Annual Report 2007/08
Annual Report 2008/09
Annual Report 2009/10
Annual Report 2010/11
*Annual Report 2011-2012
*Annual Report 2012-2013
*Annual Report 2014-2015
*Annual Report 2015-2016 Updated December 19, 2016

Total Maximum Daily Load (TMDL) Program

Keizer's TMDL Implementation Plan
TMDL Annual Report #1 - 2007/08
TMDL Annual Report #2 - 2008/09
TMDL Annual Report #3 - 2009/10
Proposed Second TMDL Implementation Plan
Proposed Second TMDL Implementation Plan Matrix
TMDL Annual Report 2014/15

*Note: Beginning in 2010/11, the TMDL Implementation Plan Annual Report is incorporated into the NPDES Annual Report for that year.

Water Pollution Control Facilities (WPCF)

WPCF Permit #103068
WPCF Annual Report #1 - 2013/14
WPCF Annual Report #2 - 2014/15
UIC Management Plan
UIC Systemwide Assessment
UIC Monitoring Plan