G-90, also known as Jack Creek Structure, is a concrete dam located in Highlands County, Florida, specifically in the city of Leisure Lakes.
Wind
Humidity
Built in 1962, this dam serves the primary purpose of flood risk reduction along the Jack Creek river. With a height of 29 feet and a length of 550 feet, G-90 has a storage capacity of 44,676 acre-feet and a surface area of 3,662 acres, providing crucial protection to the surrounding area from potential flooding events.
Managed by the Southwest Florida Water Management District (SWFWMD), G-90 is classified as a state-regulated structure with state permitting, inspection, and enforcement procedures in place to ensure its safety and functionality. The dam has a high hazard potential but was last assessed to be in satisfactory condition in 2014. While it has not undergone recent modifications or upgrades, G-90 remains a vital component of the region's flood control infrastructure, contributing to the overall water resource management efforts in the area.
As a key flood risk reduction asset in the region, G-90 plays a crucial role in safeguarding communities and infrastructure from the impacts of extreme weather events and climate variability. With its strategic location along the Jack Creek river and its significant storage capacity, this concrete dam continues to be a cornerstone of water resource management in Highlands County, Florida. Ongoing monitoring, maintenance, and potential future enhancements will be essential to ensure the long-term effectiveness and resilience of G-90 in the face of changing environmental conditions and increasing demands on water resources.
Year Completed |
1962 |
Dam Length |
550 |
Dam Height |
13 |
River Or Stream |
JACK CREEK |
Primary Dam Type |
Concrete |
Surface Area |
3662 |
Hydraulic Height |
11 |
Drainage Area |
44 |
Nid Storage |
44676 |
Structural Height |
29 |
Hazard Potential |
High |
Nid Height |
29 |