Frequently Asked Questions

A: You will need a permit from Clean Water Services or one of its member cities— Beaverton, Cornelius, Forest Grove, Hillsboro, Sherwood, Tigard, and Tualatin if you are:

• Constructing, modifying or connecting to the public sanitary and surface water management systems;
• Grading, clearing, excavating, or potentially causing any temporary or permanent increase in soil erosion;
• Constructing or adding to a facility that will discharge non-domestic waste to the public sanitary system; or
• Performing any development of property.

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A: The current Design and Construction Standards contains the regulations for designing, constructing, and connecting to the public sanitary and storm sewer systems, as well as information on designing water quantity and quality facilities, and the requirements for working within vegetated corridors around water quality sensitive areas.

The Erosion Prevention and Sediment Control Manual (PDF, 24.8MB) contains Best Management Practices for erosion prevention and sediment control.

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A: Connection permit fees or Systems Development Charges (SDCs) are set annually by Clean Water Services' Board of Directors.

Individual cities may impose additional charges.

For further information on Clean Water Services Plan Review, Inspection, and Connection Permit Fees, refer to Rates and Charges Resolution and Order (PDF, 337KB).

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A: For activities within the unincorporated area of the service district and in the cities of Banks, Durham, Gaston, King City and North Plains, permits may be obtained at the Clean Water Services' Adminstration Building Complex located at 2550 SW Hillsboro Hwy., Hillsboro, OR 97123. (503) 681-5100.

For activities within the large cities within the service district—Beaverton, Cornelius, Forest Grove, Hillsboro, Sherwood, Tigard, and Tualatin—permits may be obtained from the individual cities.

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A: Please refer to our memo, Ballot Measure 37 Claims (PDF, 279KB).

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A: Please refer to Standard language for platted easements.

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