​​​​Certificate of Onsite Systems Approval (COSA)​​​

** A permit request that includes a septic system must have documents sealed by a State of Alaska registered professional Civil or Environmental Engineer.  Please familiarize yourself with Septic System Permits on our website prior to completing the online application.  When entering the application information don't forget to attach the completed permit application.

If you don't already have access to ePlans, email PermitCounter@ci.anchorage.ak.us to request access to upload documents for MOA review.   If you need assistance with ePlans, please contact the Onsite Water and Wastewater Section at (907) 343-7904.

All waiver requests are required to be submitted by an engineer.  When submitted with a permit request please do this …..  If a waiver is submitted separately attach the Waiver Not Submitted With COSA or Permit​ application.

Permit applications for wells or water storage do not require an engineer.  Please see Permit Requirements for a Private Water Well.  When entering the application information don't forget to attach the completed permit application.

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Certificate of Onsite Systems Approval (COSA) and Waiver Applications

** A COSA application may only be submitted by a State of Alaska registered professional Civil or Environmental Engineer.

Please familiarize yourself with the COSA Guidelines prior to completing the online application.  When entering the application information don't forget to attach the completed COSA application.

When requesting a waiver with a COSA request please do this …..  If a waiver is submitted separately go somewhere else.​

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