The environmental regulations that are administered by Clean Water Services are detailed in Chapter 3 of the Design and Construction Standards (PDF, 390KB). These rules apply throughout unincorporated urban Washington County and its Cities.
The goal of the Environmental Review is to obtain the Service Provider Letter (SPL) which will lead to site development, erosion control, or building permits. The Environmental Review includes a Sensitive Area pre-screening process and based on the results of this process, a Site Certification or Standard Site Assessment may be required.
More detailed information is available in our Environmental Review Process for a Service Provider Letter (PDF, 247KB).
*Check the current Review and Inspection Fees (PDF, 143KB). Still have questions? Call our Permit Counter at 503.681.5100.
*Check the current Review and Inspection Fees (PDF, 146KB). Still have questions? Call our Permit Counter at 503.681.5100.