Lakemont Stormwater Pond dam
Lakemont Stormwater Pond
Lakemont Stormwater Pond, also known as High Park Detention Pond, is a vital infrastructure in Bellevue, Washington, designed for flood risk reduction. Managed by the local government and regulated by the Washington Dept of Ecology, this earth dam structure is situated along Lewis Creek, with a capacity of 30 acre-feet for storage and a drainage area of 0.4 square miles. Completed in 1992, the pond has a hydraulic height of 13 feet and a maximum discharge capacity of 581 cubic feet per second, serving as a crucial defense against potential flooding events in the area.
With a satisfactory condition assessment and a high hazard potential rating, Lakemont Stormwater Pond plays a crucial role in mitigating flood risks for the surrounding community. The structure has a surface area of 10 acres and provides normal storage of 10 acre-feet, ensuring efficient water management in the region. Despite its importance, the pond has not been modified since its completion and undergoes regular inspections every five years to maintain its functionality. With emergency action plans in place and a solid risk management strategy, the pond stands as a reliable resource for safeguarding against potential water-related hazards in the area.
As a key asset in flood risk reduction, Lakemont Stormwater Pond exemplifies the importance of sustainable water resource management in addressing climate-related challenges. Located in King County, Washington, this earth dam structure not only serves as a protective barrier against potential inundation but also highlights the critical role of local governments in ensuring the safety and well-being of their communities. With a focus on environmental stewardship and strategic infrastructure planning, the pond stands as a testament to proactive measures in addressing water-related risks and enhancing resilience in the face of a changing climate.
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 Lakemont Stormwater Pond -- inflows here typically show up in storage 24-72 hours later.
| Streamgauge | Discharge | View |
|---|---|---|
| Issaquah Creek Near Mouth Near Issaquah | 43 cfs | → |
| Mercer Creek Near Bellevue | 12 cfs | → |
| Cedar River At Renton | 339 cfs | → |
| Issaquah Creek Near Hobart | 27 cfs | → |
| Duwamish River At Golf Course At Tukwila | 6,700 cfs | → |
| Raging River Near Fall City | 33 cfs | → |
Make a day of it
Boat launches, lakeside camping, fishing access, and other reservoirs near Lakemont Stormwater Pond.
Boat launches
- I 90 Trail Bellevue
- Mercer Island Boat Launch
- West Lake Sammamish Parkway Northeast Redmond
- Adams Street Boat Ramp
- Stan Sayres Boat Launch
- Lake Washington Boulevard South 3800, Seattle
Campgrounds
Paddle runs
- Snoqualmie Falls To Plum's Landing
- Confluence With Taylor River To Confluence With North Fork Snoqualmie River
- Wagner Bridge To Confluence With Middle Fork Snoqualmie River
- Quartz Road To Confluence With Middle Fork Snoqualmie River
- Alpine Lakes Wilderness Boundary To Quartz Creek Road
- Confluence Of Tye And Foss Rivers To Gold Bar
Track Lakemont Stormwater Pond 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 Lakemont Stormwater Pond
Where does the data for Lakemont Stormwater Pond 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 Lakemont Stormwater Pond.