Dam Report

Lake Manatee Dam dam

Florida, USA Manatee River Hazard High
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Dam height
54ft
Hazard rating
High
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Lake Manatee Dam -- None dam
Lake Manatee Dam None · Manatee River
About this dam

Lake Manatee Dam

Lake Manatee Dam, located in Bradenton, Florida, serves as a crucial water supply source for the region. Completed in 1967, this earth-type dam stands at a height of 54 feet and stretches 4700 feet in length, creating a reservoir with a storage capacity of 46,600 acre-feet. The dam plays a pivotal role in managing water resources for both recreational and municipal purposes, with a normal storage capacity of 22,700 acre-feet and a maximum discharge rate of 16,000 cubic feet per second.

The dam's strategic location along the Manatee River underscores its importance in providing water for the surrounding communities and supporting various water-related activities. State-regulated and inspected, Lake Manatee Dam has a satisfactory condition assessment, with a high hazard potential due to its critical role in flood control and water supply management. While specific details about the spillway type, outlet gates, and associated structures are not provided, the dam's role in ensuring water security and environmental sustainability in the region cannot be overstated.

Managed by the local government and situated within the Jacksonville District, Lake Manatee Dam is a key infrastructure project that highlights the intersection of water resource management and climate resilience. With its notable height and storage capacity, the dam stands as a critical asset for water supply in Manatee, Florida. As climate change impacts water availability and quality, the continued operation and maintenance of Lake Manatee Dam are essential for safeguarding the region's water resources and enhancing its resilience to changing environmental conditions.

StateNone
River / streamManatee River
NID IDFL00280
Owner typeLocal Government
Primary purposeWater Supply
Dam typeEarth
Year built1967
Dam height54 ft
Dam length4,700 ft
Max storage46,600 AF
Normal storage22,700 AF
Surface area1,000.0 ac
Hazard potentialHigh
ConditionSatisfactory
Last inspectionWed, 29 Oct 2014 00:00:00 GMT

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.
Detailed forecast

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.

Hourly detail

Next 5 days, hour by hour

Temperature line with weather symbols on top, snow + rain accumulation as columns, humidity as a dotted line.

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Deep dive

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.

TimeConditionTemp (°F)Snow (in)Rain (in)Humidity (%)Wind (mps)Wind dir
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Long-term outlook

15-day temperature & precipitation

Daily temperatures, snow, and rain projected over the next two weeks.

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Regional inflow

Nearby streamflow gauges

USGS streamgauges around Lake Manatee Dam -- inflows here typically show up in storage 24-72 hours later.

Track Lake Manatee Dam 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.

FAQ

About Lake Manatee Dam

Where does the data for Lake Manatee Dam 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 High 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.

More reservoirs

Other water bodies near here

Snoflo-tracked reservoirs and dams within driving distance of Lake Manatee Dam.

Premium feature

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Manage alerts in the Snoflo app

Custom alerts are configured in the iOS app -- favorite this dam, set a threshold, and you'll get a push the moment conditions cross.

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