South Side
Key Takeaway
South Side is classified as significant hazard in Colorado. It was completed in 1921 and is 105 years old. Its primary use is irrigation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 31 ft (taller than 68.6% in CO) |
| Dam Length | 630 ft |
| Dam Type | Earth |
| Max Storage | 1.0K acre-ft |
| Normal Storage | 658 acre-ft |
| Surface Area | 66 acres |
| Drainage Area | 4 sq mi |
| Max Discharge | 4,930 cfs |
| Year Completed | 1921 (105 years old) |
| NID ID | CO01195 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
SOUTH SIDE RESERVOIR COMPANY (STEVE MCMILLAN, TREA
Private
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Significant Hazard 17 ftFrequently Asked Questions
What is the hazard classification of South Side?
South Side is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates South Side?
South Side is owned by SOUTH SIDE RESERVOIR COMPANY (STEVE MCMILLAN, TREA (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was South Side built?
South Side was completed in 1921, making it 105 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.
What is the primary purpose of South Side?
South Side serves the following purposes: Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is South Side?
South Side has a dam height of 31 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.
When was South Side last inspected?
South Side was last inspected on August 3, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.