Wastewater/Sewer

Wastewater crewThe City of Redmond Wastewater Maintenance Division maintains and operates the wastewater (sewer) system to meet the needs of existing and future customers. The wastewater system serves a residential population of over 60,000 within the City limits and approximately 3,500 residential households in the Novelty Hill area.

City staff maintain the wastewater system in a manner which protects the public investment, protects the environment and human health, ensures compliance with state and federal mandates, and ensures that reliable service is available to all customers of the City utility system.

Wastewater staff provide information to commercial customers and residents pertaining to treatment and reduction of grease and industrial discharges to the wastewater system to ensure compliance with pretreatment standards. Wastewater Division staff also collaborate with Utility Engineering staff on long-range system development and comprehensive planning, the capital facility program, and feasibility studies.

  1. Maintenance & Repair
  2. Technology

Wastewater crewThe Wastewater Division is responsible for maintenance and repair of over 230 miles of pipe ranging from 8 to 36 inches in diameter, 15 miles of easements, 7,336 manholes, and 23 pump stations.


Maintenance activities include but are not limited to:

  • Closed-circuit television (CCTV) inspection
  • High-pressure hydro-cleaning
  • Easement and pump station maintenance
  • Daily monitoring of the SCADA (Supervisory Control and Data Acquisition) system
  • Activities related to providing excellent customer service

Wastewater Division staff repair pump stations, pipe, and manholes. Pump station repair involves complex electrical circuits, pumps, and equipment. Manhole repairs range from frame and cover replacement to entire channel and bench restoration. Pipeline repairs range from open trench pipe replacement to slip lining damaged sections of pipe