Water/Sewer Extensions

Administrative Requirements: Water/Sewer Extensions

For additional details pertaining to forms, fees, bonds, or administrative requirements for developer utility system extensions, contact 425-556-2840.

Construction Drawings

Construction drawings for water and sewer improvements shall be prepared in accordance with the Design Requirements for Water and Sewer System Extensions prepared by the Development Services Division of the Department of Public Works. A plan review fee shall be paid to the water and sewer utility prior to construction drawing review. An inspection fee shall be paid to the water and sewer utility prior to construction drawing approval.

Agency Approvals

Construction drawings for sewer improvements shall be reviewed and approved by Metro and DOE prior to construction. Construction drawings for water improvements may need to be reviewed and approved by State Department of Social and Health Services (DSHS) prior to construction.

Easements

Easements shall be provided for all water and sewer improvements as required in the Design Requirements for Water and Sewer System Extensions. Offsite easements must be recorded prior to construction drawing approval. Onsite easements must be recorded prior to the improvements being placed into operation.

Performance Guarantee

A performance guarantee shall be provided in a form acceptable to the City for sewer and water improvements as follows:

Plats and Short Plats

  • All water and sewer improvements within City right-of-way or easement and any other portion of the improvements as required by the Development Services Division.
  • For any improvements not completed at time of recording of the plat or short plat.

Apartments, Condominiums and Commercial Projects

  • All water and sewer improvements in City rights-of-way or easement and any other portion of the improvements as required by the Development Services Division.
  • For any improvements not completed at time of issuing meters or permits for occupancy.

The amount of the performance guarantee shall be established by the City upon review of estimates prepared by the applicant and the guarantee shall be provided prior to plan approval.

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Bill of Sale

A Bill of Sale shall be provided for all water and sewer improvements to be owned and operated by the City.

Asset Summary

A Developer Extension Asset Summary shall be provided for all water and sewer improvements to be owned and operated by the City.

Maintenance Guarantee

A maintenance guarantee shall be provided in a form acceptable to the City for all water and sewer improvements to be owned and operated by the City. The Period of guarantee shall be one (1) year from acceptance of all improvements by the City.

As-Built Drawings

As-built utility drawings shall be submitted to the City prior to the improvements being placed in operation and a cash record drawing bond in a form acceptable to the City must be posted.

Permit Applications

Sewer Extension Information

Side sewer permit applications shall be submitted for approval to the Development Services Division. Permits will not be issued until all improvements are constructed and administrative requirements are complete. Requests to construct side sewers prior to completion of all sewer improvements and administrative requirements will only be approved on a case by case basis after review of the project specifics. Various additional guarantees or requirements may be imposed as determined by the Development Services Division for issuance of permits prior to improvements or administrative requirements being completed.

Water Extension Information

Water meter applications shall be submitted for approval to the Water/Wastewater Division. Meters will not be issued until all improvements are constructed and administrative requirements are complete. Requests to install water meters prior to completion of all water improvements and administrative requirements will only be approved on a case by case basis after review of the project specifics. Various additional guarantees or requirements may be imposed as determined by the Water/Wastewater Division for issuance of meters prior to improvements or administrative requirements being completed.

All reimbursement fees shall be paid prior to sale of water and side sewer permits. Reimbursement fees may be required prior to plat or short plat recording. 

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