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Backflow Prevention

The City of Corvallis supplies drinking water to the community that meets all EPA and Oregon Health Division requirements for public health and safety. Even though the water that reaches your home or business is safe, it can be contaminated within your own piping system and could degrade water quality in the rest of the City water system, should that water backflow into the City water mains. Most modern water-using fixtures and appliances (sinks, toilets, and clothes washers) have built-in backflow prevention features, but there are some that don't.

System Maintenance

Your meter is located in the sidewalk in front of your residence. The City is responsible for the maintenance of the water line from the street to the meter. The property owner is responsible for maintaining the lines from the meter to the house. In the event you experience frozen pipes or broken water lines in your house or on your property, you can turn off your water at the meter — look for a small wheel or handle in the water meter box.

Drinking Water Distribution

To make sure there is enough water available for our customers and for fire protection, eight reservoirs with a total capacity of 21 million gallons are located throughout the city. Booster stations pump water up from the Taylor Plant to the reservoirs, which are located on hills around town. Once the water is in the reservoirs, it can then flow by gravity to homes and businesses in town as it is needed. 

Drinking Water Treatment Facilities

The City of Corvallis owns and operates two water treatment facilities. Both the Rock Creek and the Taylor Water Treatment Plants use a four-step process to produce high-quality drinking water. Water treatment is necessary because in nature, water is not always clean enough for humans to consume. During 2020, the two treatment plants produced 2.45 billion gallons of water. 

Water Treatment

Water treatment is the process of cleaning the water. Treatment makes the water safe to drink because in nature, water is not always clean enough for humans to use. Both the Rock Creek and Taylor Water Treatment Plants use a four-step process to provide safe, clean drinking water to the residents and businesses of Corvallis. 

Water Utility

Get Started

To start or stop water service with the City of Corvallis Finance Department, click here to access your account.

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The City of Corvallis water system consists of critical infrastructure to treat and deliver water to your tap. Some is visible, but much of it is underground. 

Water Testing

The Corvallis Water System consistently provides a reliable supply of high quality drinking water. Corvallis regularly and routinely monitors water quality at the treatment plant and in the distribution system. Many of the tests are performed in the City's water quality laboratory; other tests are performed by certified private lab companies.

Smart Irrigation

Water wisely; don't waste it.

Water Conservation FAQ

This page has a collection of water and water conservation Frequently Asked Questions. Click on the questions below to expand them and see the answers! 

Toilet Rebates

Looking to replace an old or broken toilet? Need an incentive? Replace old toilets with WaterSense toilets (https://www.epa.gov/watersense/residential-toilets) and qualify for a rebate!

 

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