Jackson Lake
Jackson Lake is an earth dam located in Morgan County, Colorado, built in 1900. It carries a High hazard potential classification and has a satisfactory condition assessment.
About Jackson Lake
The primary purpose of Jackson Lake is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Jackson Lake Reservoir Co. (cynthia Lefever) (private). It impounds the South Platte River-tr near Goodrich.
The dam stands 39 feet tall and stretches 13,000 feet across, creates a reservoir covering 2,427 acres, has a maximum storage capacity of 60,800 acre-feet, and collects water from a drainage area of 15 square miles. Completed in 1900, the structure is over a century old.
This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 08/05/2021.
At 39 feet, this dam is taller than 86% of dams nationwide.
Living Downstream
If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Colorado dam safety program can provide more specific information about emergency planning for this structure.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Colorado |
| County | Morgan |
| Nearest City | Goodrich |
| River/Stream | South Platte River-tr |
| Coordinates | 40.37286, -104.07789 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 39 ft |
| Dam Height | 39 ft |
| Dam Length | 13,000 ft |
| Year Completed | 1900 (126 years old) |
Storage & Hydraulics
| NID Storage | 60,800 acre-ft |
| Max Storage | 60,800 acre-ft |
| Normal Storage | 27,256 acre-ft |
| Surface Area | 2,427 acres |
| Drainage Area | 15 sq mi |
| Max Discharge | 10,224 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | JACKSON LAKE RESERVOIR CO. (CYNTHIA LEFEVER) |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 08/05/2021 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | CO00016 |
| Federal ID | CO00016 |
| More Info | State Dam Safety Program |