Quick Facts About South Platte Reservoir Dam
South Platte Reservoir Dam Map
South Platte Reservoir Dam Information
South Platte Reservoir Dam is an earthen embankment dam located in Littleton, Arapahoe, Colorado.
The dam, which is on the South Platte River-Os, was primarily built for Water Supply purposes, but also serves for benefits.
The dam was designed by TETRA TECH RMC and commissioned in 2007 and is currently owned by CENTENNIAL WATER AND SANITATION DISTRICT.
South Platte Reservoir Dam Structure
The South Platte Reservoir Dam is approximately 7,700 feet (2,347 m) long, 64 feet (20 m) high and has a structural volume of 3,506,000 cubic yards (2,680,530 cubic metres).
South Platte Reservoir Dam Storage Capacity & Surface Area
The reservoir has a normal storage capacity of 6,480 acre-ft (7,993 Ml) and maximum capacity of 7,435 acre-ft (9,171 Ml).
The surface area of the reservoir is 152 acres (62 ha) and the total catchment area is 4 square miles (10 square kilometres).
South Platte Reservoir Dam Spillway
The dam has a 522 feet (159 m) wide uncontrolled spillway with a maximum discharge capacity of 13045 cubic feet per second (369 cubic metres per second).
South Platte Reservoir Dam Compared to Four Famous American Dams
| South Platte Reservoir Dam Arapahoe, Colorado |
Hoover Dam Clark County, Nevada |
Grand Coulee Dam Okanogan County, Washington |
Theodore Roosevelt Dam Maricopa County, Arizona |
Glen Canyon Dam Coconino County, Arizona |
|
|---|---|---|---|---|---|
| Height (ft) | 64 | 730 | 550 | 357 | 216 |
| Length (Ft) | 7,700 | 1,244 | 5,673 | 6,920 | 1,565 |
| Storage Volume (acre-ft) | 7,435 | 30,237,000 | 9,562,000 | 3,540,000 | 29,875,000 |
| Drainage Area (sq miles) | 4 | 167,800 | 74,100 | 3,611 | 108,355 |
South Platte Reservoir Dam Weather
Current Conditions at South Platte Reservoir Dam
Failed to fetch current weather data.7-Day Forecast for South Platte Reservoir Dam
Failed to fetch weather forecast data.South Platte Reservoir Dam Frequently Asked Questions
South Platte Reservoir Dam is in Colorado.
South Platte Reservoir Dam is in Arapahoe County.
South Platte Reservoir Dam is 64 feet high.
South Platte Reservoir Dam is 7,700 feet long.
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Condition Assessment Classification
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. Note: Rare or extreme event is defined by the regulatory agency based on their minimum
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. Investigations and studies are necessary.
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.
Not Available
Dams for which the condition assessment is restricted to approved government users.
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, environment 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.
Not Available
Dams for which the downstream hazard potential is restricted to approved government users.
Source: National Inventory of Dams