Leland dam
Leland
Leland Reservoir, located in Lafayette, California, is a crucial offstream water supply infrastructure owned and managed by a public utility. Built in 1955, this earth dam stands at a height of 41 feet and has a hydraulic height of 40.2 feet, with a storage capacity of 60 acre-feet. Despite being a relatively small reservoir with a surface area of 3 acres, it plays a significant role in providing water to the surrounding community.
Managed by the Department of Water Resources and regulated by the Safety of Dams agency, Leland Reservoir is deemed to have high hazard potential but is currently in a satisfactory condition as of the last assessment in 2017. Regular inspections ensure the safety and maintenance of the dam, with the most recent inspection conducted in March 2021. With its primary purpose being water supply, Leland Reservoir serves as a vital resource for the region, highlighting the importance of sustainable water management practices in the face of climate change challenges.
As climate enthusiasts and water resource advocates continue to monitor the impact of changing environmental conditions, the role of infrastructure like Leland Reservoir becomes increasingly crucial in ensuring water security for communities. With its regulated status, regular inspections, and emergency preparedness measures, Leland stands as a testament to the dedication towards maintaining critical water resources in the face of evolving climate challenges.
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 Leland -- inflows here typically show up in storage 24-72 hours later.
| Streamgauge | Discharge | View |
|---|---|---|
| San Ramon C A San Ramon Ca | 0 cfs | → |
| Cull C Ab Cull C Res Nr Castro Valley Ca | 0 cfs | → |
| Crow C Nr Hayward Ca | 1 cfs | → |
| San Lorenzo C Ab Don Castro Res Nr Castro V Ca | 1 cfs | → |
| San Lorenzo C A Hayward Ca | 3 cfs | → |
| San Lorenzo C A San Lorenzo Ca | 5 cfs | → |
Make a day of it
Boat launches, lakeside camping, fishing access, and other reservoirs near Leland.
Boat launches
- San Francisco Bay Trail, Berkeley
- San Francisco Bay Trail, Oakland
- Mcavoy Road 1099, Bay Point
- Doolittle Drive 7250, Oakland
- Powell Street 3310, Emeryville
- Mckay Avenue 1200, Alameda
Campgrounds
Fishing spots
- Lafayette Reservoir
- Lake Temescal
- San Pablo Reservoir
- City Of Benicia Fishing Pier
- Chabot Lake
- Lake Chabot
Paddle runs
- Headwaters To Mouth
- Headwaters To Ends One Quarter Mile South Of Bear Valley Road Bridge Segment 1: Ends 1/4 Mile South Of Bear Valley Road Bridge Segment 2: Caltrans Corporation Yard At Point Reyes Staton.
- Olema Ranch Campground To Caltrans Corporation Yard At Point Reyes Station
More reservoirs
Track Leland 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 Leland
Where does the data for Leland 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 Leland.