Cedar Lake Dam dam
Cedar Lake Dam
Cedar Lake Dam, also known as Marney Lake Dam, is a privately owned structure located in Usk, Washington. Built in 1967 by the USDA NRCS, this earth dam stands at a height of 19 feet with a structural height of 23 feet, serving primarily for irrigation purposes. With a storage capacity of 50 acre-feet and a normal storage of 21 acre-feet, Cedar Lake Dam is situated on TR-Deer Creek in Pend Oreille County. The dam has a hazard potential classified as high, but its condition assessment is rated as fair as of the last inspection in September 2015.
Managed by the Washington Department of Ecology, Cedar Lake Dam is subject to state regulation, inspection, and enforcement. While its primary purpose is irrigation, the dam also provides opportunities for recreational activities. With a drainage area of 0.32 square miles and a maximum discharge capacity of 355 cubic feet per second, Cedar Lake Dam plays a crucial role in water resource management in the region. Despite its age, the dam continues to be a vital infrastructure for the local community and surrounding areas, contributing to the sustainable use of water resources and climate resilience efforts.
In the event of emergencies, the dam's emergency action plan status and risk management measures remain unspecified in the available data. However, the structure's compliance with state guidelines and preparedness for potential inundation events are crucial aspects that need to be regularly reviewed and updated. As water resource and climate enthusiasts, understanding the significance of Cedar Lake Dam in sustaining irrigation and recreation activities, as well as the need for ongoing maintenance and risk mitigation strategies, is essential for ensuring the long-term safety and functionality of this vital infrastructure.
Dam data reference
Condition Assessment
- Satisfactory
- No existing or potential dam safety deficiencies are recognized. Acceptable performance is expected under all loading conditions (static, hydrologic, seismic) in accordance with the minimum applicable state or federal regulatory criteria or tolerable risk guidelines.
- Fair
- No existing dam safety deficiencies are recognized for normal operating conditions. Rare or extreme hydrologic and/or seismic events may result in a dam safety deficiency. Risk may be in the range to take further action.
- Poor
- A dam safety deficiency is recognized for normal operating conditions which may realistically occur. Remedial action is necessary. POOR may also be used when uncertainties exist as to critical analysis parameters which identify a potential dam safety deficiency.
- Unsatisfactory
- A dam safety deficiency is recognized that requires immediate or emergency remedial action for problem resolution.
- Not Rated
- The dam has not been inspected, is not under state or federal jurisdiction, or has been inspected but, for whatever reason, has not been rated.
Hazard Potential Classification
- High
- Dams assigned the high hazard potential classification are those where failure or mis-operation will probably cause loss of human life.
- Significant
- Dams assigned the significant hazard potential classification are those dams where failure or mis-operation results in no probable loss of human life but can cause economic loss, environmental damage, disruption of lifeline facilities, or impact other concerns. Significant hazard potential classification dams are often located in predominantly rural or agricultural areas but could be in areas with population and significant infrastructure.
- Low
- Dams assigned the low hazard potential classification are those where failure or mis-operation results in no probable loss of human life and low economic and/or environmental losses. Losses are principally limited to the owner's property.
- Undetermined
- Dams for which a downstream hazard potential has not been designated or is not provided.
Plan around the weather
Same NOAA / yr.no feed Snoflo's iOS app uses. Watch the precipitation column on the meteogram -- rain on the basin upstream typically lifts inflow 24-72 hours later.
Next 5 days, hour by hour
Temperature line with weather symbols on top, snow + rain accumulation as columns, humidity as a dotted line.
5-day forecast table
Every 3 hours, broken out across temperature, snow, rain, humidity, and wind. Each cell is colour-coded relative to the column min/max.
| Time | Condition | Temp (°F) | Snow (in) | Rain (in) | Humidity (%) | Wind (mps) | Wind dir |
|---|---|---|---|---|---|---|---|
| Loading detailed forecast… | |||||||
15-day temperature & precipitation
Daily temperatures, snow, and rain projected over the next two weeks.
Nearby streamflow gauges
USGS streamgauges around Cedar Lake Dam -- inflows here typically show up in storage 24-72 hours later.
| Streamgauge | Discharge | View |
|---|---|---|
| Pend Oreille River At Newport Wa | 46,700 cfs | → |
| Little Spokane River At Elk | 48 cfs | → |
| Priest River Nr Priest River Id | 3,460 cfs | → |
| Priest R Outflow Nr Coolin | 2,820 cfs | → |
| Little Spokane River At Dartford | 187 cfs | → |
| Little Spokane River Near Dartford | 473 cfs | → |
Make a day of it
Boat launches, lakeside camping, fishing access, and other reservoirs near Cedar Lake Dam.
Boat launches
- Pondoray Shores Road, Newport
- Viewpoint Road 61, Newport
- South Shore Diamond Lake Road 765-1255, Newport
- Kaniksu Drive Pend Oreille County
- Pow Wow Park, Cusick
- Old Diamond Mill Road 71, Oldtown
Campgrounds
- Skookum Creek- State Forest
- Enchantment Camp
- County Fair Campground
- Lodge Creek Camp
- Albeni Cove Campground
- Albeni Cove - Oldtown
Paddle runs
- Forest Boundary, Sec. 34, T59n, R2w To Harrison Lake, Sec. 31, T62n, R2w
- Upper Priest River
- Segment 2 Flows For Almost 10 Miles From The Intersection With Trail 312 To Its Confluence With The Upper Priest River To Segment 2 Flows For Almost 10 Miles From The Intersection With Trail 312 To Its Confluence With The Upper Priest River
- Segment 1 Is Classified As Wild And Flows From Its Source For Almost Five Miles To The Intersection With Trail 312 To Segment 1 Is Classified As Wild And Flows From Its Source For Almost To The Intersection With Trail 312
- Ne1/4 Of Sec 13, T40n, R46e To Nw1/4 Of Sec 5, T40n, R46e
Track Cedar Lake Dam in the Snoflo app
Save this dam as a favorite and get the local NOAA / yr.no forecast plus regional flow context wherever you are.
About Cedar Lake Dam
Where does the data for Cedar Lake Dam come from?
Structural and regulatory data come from the U.S. Army Corps of Engineers' National Inventory of Dams (NID). Weather forecast comes from NOAA / yr.no -- the same feed Snoflo's iOS app uses.
How often is the report updated?
NID structural data refreshes annually as the Corps publishes updated assessments. The weather forecast refreshes throughout the day.
What does the High hazard rating mean?
The Corps of Engineers' hazard potential classification grades probable consequences if the dam fails: High = probable loss of human life; Significant = no probable loss of human life but possible economic loss / environmental damage; Low = no probable loss of human life, only minor economic / environmental losses. See the Dam Data Reference card above for the full definitions.
What's "% of normal"?
The current storage value compared to the historical average storage on this calendar day. 100% = right on average; values above 100% mean above-normal storage (wet year); values below mean below-normal (dry year or drought).
Can I get alerts when storage crosses a threshold?
Yes -- alerts are managed in the Snoflo iOS app. Favorite this dam, set a threshold, and you'll get a push the moment conditions cross.
Other water bodies near here
Snoflo-tracked reservoirs and dams within driving distance of Cedar Lake Dam.