Evergreen Lakes-Lower Dam dam
Evergreen Lakes-Lower Dam
Evergreen Lakes-Lower Dam, located in Franklin County, Missouri, is a private-owned structure primarily designed for recreation. Built in 1963, this earth dam stands at a height of 27 feet and has a storage capacity of 87 acre-feet. With a normal storage of 46 acre-feet and a surface area of 6 acres, this dam is situated on To Winch Creek and is managed by the Kansas City District of the US Army Corps of Engineers. Despite its low hazard potential, the dam's condition remains unrated, and no inspection or regulatory agency has been designated for its oversight.
The dam's purpose as a recreational facility emphasizes the importance of water resource management in mitigating the impacts of climate change and ensuring the safety of surrounding communities. Its location in a picturesque setting in the city of Pacific makes it a popular destination for outdoor enthusiasts and nature lovers. With a drainage area of 140 square miles, the dam plays a crucial role in regulating water flow and providing essential habitat for aquatic ecosystems.
While the dam currently poses a low hazard potential, ongoing monitoring and maintenance will be essential to ensure its long-term stability and safety. The lack of a designated regulatory agency underscores the importance of community engagement and stakeholder involvement in the management of water resources. As climate change continues to pose challenges to water availability and quality, structures like Evergreen Lakes-Lower Dam serve as vital tools in the sustainable management of our precious water resources.
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 Evergreen Lakes-Lower Dam -- inflows here typically show up in storage 24-72 hours later.
| Streamgauge | Discharge | View |
|---|---|---|
| Meramec River At Pacific | 1,250 cfs | → |
| Big River At Byrnesville | 377 cfs | → |
| Meramec River Near Eureka | 1,900 cfs | → |
| Bourbeuse River At Union | 311 cfs | → |
| Bonhomme Creek Near Ellisville | 2 cfs | → |
| Kiefer Creek Near Ballwin | 5 cfs | → |
Make a day of it
Boat launches, lakeside camping, fishing access, and other reservoirs near Evergreen Lakes-Lower Dam.
Boat launches
- Stierberger Court Union
- Highway Uu Franklin County
- Katy Trail 1800, Saint Charles County
- Downtown Washington
- Grand Glaize Pkwy 1084, Valley Park
- Ellis Grove Parkway Jefferson County
Campgrounds
- Robertsville State Park
- Klondike County Park
- Babler Memorial State Park
- Backpack Camp 7
- Backpack Camp 8
- Backpack Camp 6
Paddle runs
Track Evergreen Lakes-Lower 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 Evergreen Lakes-Lower Dam
Where does the data for Evergreen Lakes-Lower 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 Low 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 Evergreen Lakes-Lower Dam.