Town of Ocean Ridge
6450 North Ocean Blvd.
Ocean Ridge, FL 33435

Proudly serving the residents of Ocean Ridge for 86 years

The Mission of the Town of Ocean Ridge is to create and maintain a beautifully landscaped, diverse seaside community built around the family and civic pride, state of the art public services and infrastructure that enhances the natural beauty of our Town.

Town Hall:
561-732-2635 (main)
561-737-8359 (fax)
561-738-ORFL (6735)
Citizen Information Line

Town Hall Hours:
M-F 8:30am-3:00pm

Police Dept.:
911 (emergency)
Public Records Hours

Social Media:

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Glossary of Terms

100-yr flood (Base Flood)
The flood having a one-percent chance of being equaled of exceeded in magnitude in any given year.  It is not a flood occurring every 100 years
Base Flood Elevation (BFE)
The height (above sea-level) that flood waters will reach at a given location in the event of the 100-year flooding event.

Community Rating System (CRS)
A National Flood Insurance Program that provides incentives for NFIP communities to complete activities that reduce flood hazard risk.  When the community completes specified activities, the insurance premiums of NFIP policyholders in these communities are reduced.

Elevation Certificate
A tool used by NFIP to ensure compliance with community floodplain management ordinances, and  to determine the proper insurance premium rate.

Flash flood
A rapid rise in water levels associated with heavy rainfall, or failure of dam.  These fast moving waters can move boulders, tear out trees, and destroy buildings.

A general and temporary condition of partial or complete inundation of normally dry land areas from : (a) the overflow of inland or tidal waters; (b) the unusual and rapid accumulation of runoff of surface water from any surface.

Flood Insurance Rate Map (FIRM)
The insurance and floodplain management map issued by FEMA that identifies areas of 100-year flood hazard in a community.  In some areas the map also shows base flood elevations and 500-year floodplain boundaries and occasionally, regulatory floodway boundaries.  These maps are usually located at the Town/City Hall.

Flood Insurance Study (FIS)
An engineering study performed by FEMA to identify flood hazard areas, flood insurance risk zones, and other flood data in a community.

Flood warning
A flood is imminent or occurring.  Take immediate action to protect lives/property

Flood watch
Conditions are in place for a flood event but location and magnitude are still uncertain.   Prepare for flooding.

Any land area susceptible to inundation by floodwaters from any source.

Geographical Information Systems (GIS)
A system of computers, spatial data, and personnel to help store, manipulate, and analyze and display geographically referenced information.  Generally it is used to map physical features on the earth.

Hazard Mitigation
Sustained actions taken to reduce or eliminate long-term risk from hazards and their effects.

An intense tropical cyclone, formed in the atmosphere over warm ocean areas, in which wind speeds reach 47 miles-per-hour or more and blow in a large spiral around a relatively calm center or “eye”.  Hurricanes develop over the North Atlantic Ocean, northeast Pacific Ocean, or the South Pacific Ocean east of 160 degrees longitude.  Hurricane circulation is counter-clockwise in the northern hemisphere and clockwise in the southern hemisphere.

Letter of Map Amendment
Report that must be submitted to FEMA to change a FIRM in order to move a property out of the 100 year floodplain.

The water from rainfall that is not absorbed by the ground that flows in the local drainage system, and ultimately rivers and streams.

Riverine flooding
Flooding of or produced by a river.

Special Flood Hazard Area (SFHA)
An area that has a one percent chance of being flooded in any given year.  Also called the 100-year floodplain, this area is shaded on the Flood Insurance Rate Map into FIRM Zones A, AO, AH, A1-A30, AE, A99, V, V1-30, and VE.

Urban flood
Flooding that has occurred where there has been development within stream floodplains.  Urbanization in floodways increases the magnitude and frequency of floods by destroying the floodways and natural wetlands that serve as natural basins for flood waters.

The geographic area that contributes surface water from rain, or melting snow to a particular stream or river system.

Flood Zones (A, V, X)

  • AE, A, or AO Zone - These properties have a 1 percent chance of flooding in any year, and a 26 percent chance of flooding over the life of a 30-year mortgage.
  • VE or V Zone - These properties have a 1 percent chance of flooding in any year and also face hazards associated with coastal storm waves.
  • Shaded X Zone - These properties are outside the high-risk zones. The risk is reduced but not removed.
  • X Zone - These properties are in an area of overall lower risk.