Share Share
US National Dams
Sunriver Effluent Lagoon Dam
Find a dam
Contents
Explore
Search
US National Dams
More
About US National Dams
Copyright © 2021 nationaldams.com and US National Dams. All Rights Reserved.

All content on this website ("the Site") is the property of US National Dams. The collection and assembly of content on this Site are the exclusive property of US National Dams and are protected by copyright and other intellectual property laws.

Was this site helpful to you? We would very much appreciate you whitelisting us or using this link when you shop on Amazon (no impact on your order).
Was this site helpful to you? We would very much appreciate you whitelisting us or using this link when you shop on Amazon (no impact on your order).

Sunriver Effluent Lagoon Dam Share Share

Overview Share Share
Back to Top
NO Downstream Settlement, Oregon
Privately owned
Built in 1998

Sunriver Effluent Lagoon Dam is an earth dam built on the Off Channel River and is located in NO Downstream Settlement, Oregon. It was built in 1998 .

The dam is privately owned by Sunriver Utilities Company, Inc. It is also known as Lake Penhollow. The dam used to be known as Lake Penhollow.

Location
Sunriver Effluent Lagoon Dam
NO Downstream Settlement, Oregon, U.S.
Dam type
Earth
Dam type
Other
Purpose
Unknown
Foundation type
Unknown
Core type
Was this site helpful to you? We would very much appreciate you whitelisting us or using this link when you shop on Amazon (no impact on your order).
Map Share Share
Back to Top
Was this site helpful to you? We would very much appreciate you whitelisting us or using this link when you shop on Amazon (no impact on your order).
Was this site helpful to you? We would very much appreciate you whitelisting us or using this link when you shop on Amazon (no impact on your order).
Ownership Share Share
Back to Top
Sunriver Utilities Company, Inc.
Owner
Private

Sunriver Effluent Lagoon Dam is privately owned by Sunriver Utilities Company, Inc..

Was this site helpful to you? We would very much appreciate you whitelisting us or using this link when you shop on Amazon (no impact on your order).
Construction Share Share
Back to Top
1998
Completed
Dave Evans
Dam designer
Off Channel River
River built on
Sunriver Effluent Lagoon Dam was built in 1998.
Was this site helpful to you? We would very much appreciate you whitelisting us or using this link when you shop on Amazon (no impact on your order).
Was this site helpful to you? We would very much appreciate you whitelisting us or using this link when you shop on Amazon (no impact on your order).
Metrics Share Share
Back to Top
Summary
Dam height 30 feet
Hydraulic height 26 feet
Normal storage 202 acre feet
Surface area 13 acres
30 feet
Dam height

Height of the dam is defined as the vertical distance between the lowest point on the crest of the dam and the lowest point in the original streambed.

26 feet
Hydraulic height

Hydraulic height of the dam is defined as the vertical difference between the maximum design water level and the lowest point in the original streambed.

202 acre feet
Normal storage

Normal storage is defined as the total storage space in a reservoir below the normal retention level, including dead and inactive storage and excluding any flood control or surcharge storage. For normally dry flood control dams, the normal storage will be a zero value.

13 acres
Surface area

Surface area, in acres, of the impoundment at its normal retention level.

Was this site helpful to you? We would very much appreciate you whitelisting us or using this link when you shop on Amazon (no impact on your order).
Safety Share Share
Back to Top
Low
Downstream potential hazard

Dams assigned the low hazard potential classification are those where failure or misoperation results in no probable loss of human life and low economic and/or environ-mental losses. Losses are principally limited to the owner’s property.

Not required
Emergency action plan

An emergency action plan is defined as a plan of action to be taken to reduce the potential for property damage and loss of life in an area affected by a dam failure or large flood.

5/7/2013
Most recent inspection date

Inspections are every 6 years.

Was this site helpful to you? We would very much appreciate you whitelisting us or using this link when you shop on Amazon (no impact on your order).
Was this site helpful to you? We would very much appreciate you whitelisting us or using this link when you shop on Amazon (no impact on your order).
About Share Share
Also known as Lake Penhollow
Former name Lake Penhollow
Latitude 43
Longitude -121
NID ID (National ID) OR03790
Was this site helpful to you? We would very much appreciate you whitelisting us or using this link when you shop on Amazon (no impact on your order).
Was this site helpful to you? We would very much appreciate you whitelisting us or using this link when you shop on Amazon (no impact on your order).
Was this site helpful to you? We would very much appreciate you whitelisting us or using this link when you shop on Amazon (no impact on your order).
Was this site helpful to you? We would very much appreciate you whitelisting us or using this link when you shop on Amazon (no impact on your order).
Was this site helpful to you? We would very much appreciate you whitelisting us or using this link when you shop on Amazon (no impact on your order).