Centennial dam
Centennial
Located in Mendocino County, California, the Centennial dam stands as a crucial water supply structure for the city of Willets. Completed in 1990, this earth-type dam boasts a height of 62 feet and a storage capacity of 504 acre-feet, serving as a vital source for the region's water needs. Situated on Davis Creek, the dam is regulated by the Department of Water Resources, ensuring its safety and proper maintenance.
With a drainage area of 2.45 square miles and a surface area of 29 acres, Centennial dam plays a significant role in managing water resources in the area. The dam's high hazard potential is accompanied by a satisfactory condition assessment, indicating its structural integrity. Regular inspections and enforcement measures are in place to guarantee the safety and functionality of this key water supply infrastructure, providing a lifeline for the community it serves. For water resource and climate enthusiasts, Centennial dam represents a vital piece of California's water management puzzle, highlighting the importance of sustainable water infrastructure in the face of changing climate conditions.
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 Centennial -- inflows here typically show up in storage 24-72 hours later.
| Streamgauge | Discharge | View |
|---|---|---|
| Outlet C Nr Willits Ca | 4 cfs | → |
| Willits C Ab Lk Emily Nr Willits Ca | 0 cfs | → |
| Ef Russian R Nr Calpella Ca | 41 cfs | → |
| Russian R Nr Ukiah Ca | 0 cfs | → |
| Ef Russian R Nr Ukiah Ca | 156 cfs | → |
| Big R Blw Two Log Cr Nr Comptche Ca | 3 cfs | → |
Make a day of it
Boat launches, lakeside camping, fishing access, and other reservoirs near Centennial.
Boat launches
Campgrounds
- Creekside Cabins
- Forks Camp Ground
- Deer Camp Group Campground
- Sleepy Hollow Rv Park
- Horse Camp Campground
- Miti Campground
Fishing spots
- Cameron's Fishing Hole Catch & Release
- Lake Mendocino
- Lake Pillsbury
- Clear Lake (Lake Cty)
- East Park Reservoir
- Buckeye Creek
Paddle runs
More reservoirs
Track Centennial 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 Centennial
Where does the data for Centennial 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 Centennial.