Erosion Control Permits

In 2014, the City of Keizer adopted an Erosion Control Ordinance which establishes permit requirements for construction projects that meet certain thresholds (see table below). Projects that do not meet the permit threshold must still comply with the Erosion Control Ordinance. This program is designed to minimize the impact of stormwater on water quality and watershed health. 


*Update: New Erosion Control Standard Details are now available. Click here for the Erosion Control Standard Details.


Erosion Control Program Overview   

Disturbance Threshold (sq. ft.)  Plan Required  Fee***  
200 – 1,999 & Waterway Adjacent Disturbance* 
 * Waterway-Adjacent means the disturbance takes place within 50 feet of any waterway. See ordinance language for details. No fee is assessed on projects until the 2000 sq.ft. threshold is reached. 
Small Project Plan (CSPPP-B) None  
2,000 – 9,999   Small Project Plan (CSPPP-B)  $100  
10,000-19,999   Large Project Plan (CSPPP)  $200  
20,000-43,559  Large Project Plan (CSPPP)    $500  
43,560 (1 acre) +  Large Project Plan (CSPPP)  $1000  
Re-Inspection Fee**  
** If additional inspections are required due to improper or inadequate implementation of the plan, re-inspection fees will be assessed.  
N/A   $75  

 *** All permits are subject to an annual renewal requirement.  

What is a 1200-CN?

Projects that disturb one or more acres (either singly or cumulatively as part of a common plan of development) are required by the Oregon Department of Environmental Quality (DEQ) to obtain a NPDES 1200-C Stormwater Construction permit. 

However, Keizer is now a DEQ approved “Qualified Local Program” for projects less than 5 acres (either singly, or cumulatively as part of a common plan of development). This means that, in most cases, you will not need to obtain a 1200-C permit from the state (DEQ). Instead, qualifying construction activities that disturb between one and five acres may be covered under the City’s Local 1200-CN Program.  

To obtain a 1200-CN permit:

  • Complete and submit an application for the Large Project Permit (CSPPP) to Public Works along with an Erosion-Sediment Control Plan (ESCP). 
  • Pay the permit fee.  The 1200-CN permit fee is $1,000.00 and is subject to annual renewal fees.

If contaminated soils are present a Contaminated Media Management Plan is required. If dewatering and/or cementitious engineered fill is used, an Environmental Management Plan must be submitted with your ESCP. The Environmental Management Plan will be reviewed by DEQ and an additional review fee will be assessed by DEQ. 

Please note: In some cases, the City and/or DEQ may require a 1200-C permit in addition to the City’s local permit.

If you have questions about the City’s Erosion Control Permits or the 1200-CN program, please contact our program staff at 503-856-3424.