G-65 dam
G-65
G-65, also known as the Old Pompano Canal, is a concrete dam located in Broward, Florida, with the primary purpose of flood risk reduction. Built in 1962 by the South Florida Water Management District (SFWMD), this dam stands at a height of 14 feet and has a hydraulic height of 10 feet, helping to control the flow of water and protect the surrounding area from potential flooding. With a normal storage capacity of 700 acre-feet and a maximum storage of 800 acre-feet, G-65 plays a crucial role in managing water levels and mitigating flood risks in the region.
This dam is situated on the Old Pompano Canal, with a drainage area of 200 acres and a surface area of 106 acres. The controlled spillway, outlet gates, and other features of G-65 ensure proper water management during periods of high discharge, reducing the potential hazard to a low level. While the condition assessment of the dam is currently not rated, the risk assessment is classified as very high (1), emphasizing the importance of ongoing monitoring and maintenance to uphold the structural integrity and effectiveness of G-65 in flood risk reduction efforts.
Managed by the Florida Department of Environmental Protection (FDEP), G-65 is subject to state regulations, permitting, inspections, and enforcement to ensure compliance with safety standards and operational requirements. Despite its age, this dam continues to serve its purpose effectively, highlighting the importance of sustainable water resource management and climate resilience in safeguarding communities against the impacts of extreme weather events. As a key infrastructure asset in the region, G-65 remains a critical component in the overall water management system of Broward, Florida, demonstrating the essential role of dams in protecting against flood risks and enhancing the resilience of local 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 G-65 -- inflows here typically show up in storage 24-72 hours later.
| Streamgauge | Discharge | View |
|---|---|---|
| Hillsboro Canal At S-6 Near Shawano | 88 cfs | → |
| N.W. Wellfield Canal Nr Dade Broward Levee Nr Penn | 6 cfs | → |
| Miami Canal At Nw36 St | 24 cfs | → |
| Tamiami Canal Near Coral Gables | 117 cfs | → |
| Tamiami Canal East End 1 Mile Bridge Nr Miami | 77 cfs | → |
| Levee 31 North Extension At 1 Mile Nr West Miami | 130 cfs | → |
Make a day of it
Boat launches, lakeside camping, fishing access, and other reservoirs near G-65.
Boat launches
- Northwest 8th Street 4281, Coconut Creek
- Winfield Boulevard 6410-6450, Margate
- Rock Island Road, Margate
- Snook Creek Public Boat Ramp
- Colohatchee Boat Ramp
- Sidonia Court 7200, Palm Beach County
Campgrounds
Track G-65 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 G-65
Where does the data for G-65 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.