Page 7 - The Shores of Jupiter - December '24
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The Shores, Page 7
      Northern Notes



      Know The Flow                                     inland community. This rain follows a wet period, so   systems discharge into local canals managed by Northern
                                                        groundwater levels are already high. According to most   or other municipalities. Northern uses a telemetry system
      By Katie Roundtree,                               approved  drainage designs, some  water  is temporarily   to monitor and remotely open and close gates and pumps.
      Director of Finance and                           stored in public recreational areas,  yard  swales and   Weather conditions and water levels are monitored
      Administration, Northern                          streets. Drainage swale areas are sloped to catch water   around the clock. Water levels in the secondary drainage
      Palm Beach County                                 and filter out pollutants as water is absorbed into the   system can be lowered to allow more water storage and
      Improvement District                              ground. Some yards direct water to the community   minimize flooding. These systems discharge water into
        Flood control in Florida                        drainage system as runoff, with very little water retained   the “primary” flood control system as long as carrying
      is a shared responsibility that                   in the yard. The excess surface water slowly drains to   capacity is available.
      provides maximum benefit                          community lakes or on-site ponds via street and yard     The South Florida Water Management District operates
      only when all components                          drainage grates, swales, ditches or canals. Homeowner   the “primary” drainage system. In anticipation of heavy
      (primary, secondary and                           associations typically assume the maintenance and upkeep   rains, floodgates may be opened, and water levels might
      tertiary) are designed and                        of community drainage facilities. Water then drains from   be  lowered  to  accommodate  direct  rainfall  and  accept
      constructed to work together                      the community or “tertiary” system through underground   inflows from the “secondary” systems. During and after
      and are maintained in proper working order. Florida is more   pipes to the “secondary” system, which is mainly operated   heavy rains, excess water is routed through all available
      complex than many states, where one entity usually provides   by the Northern Palm Beach County Improvement District   “primary” waterways to regional storage areas or coastal
      local and regional drainage for the community. In Florida, some   (Northern) in this area. Cities and the county also maintain   discharge points to relieve flooding as quickly and safely
      areas have no formal drainage systems and are prone to routine   “secondary” systems, depending on development plans.   as possible.
      flooding; others may be covered by several organizations or     The “secondary” drainage system is usually a network   What can YOU do to help?
      governments providing varying service levels. Depending   of canals, structures, pumping stations and storage areas.     As a resident or business owner, you play a crucial
      on conditions, water may have to be routed through several   These systems can cover several hundred square miles and   role in flood control. Your actions can significantly
      interconnected, though independent, conveyance systems –  serve many communities. In communities maintained by   impact your community’s resilience to flooding. Here’s
      each must be properly maintained and functioning – to provide   Northern, stormwater systems are gravity-fed or pumped   what you can do:
      flood protection for south Florida neighborhoods.   using stormwater pump stations. Water moves through     1. Ensure your neighborhood’s drainage grates, ditches,
        So, what path does stormwater typically follow from   a series of lakes and canals via weirs (fixed structures),   and swales are debris-free.
      your neighborhood to its final destination? Here’s an   operable gates and pump stations.  These systems     2. Remove loose items, including yard debris, from
      example. Five inches of rain falls in 24 hours over an   sometimes move water through multiple communities,   your yard. Debris and litter can clog storm drains and
                                                        so the “downstream” effects must be considered when   cause flooding.
                                                        moving water from one area to another. The stormwater     3. Check your community retention pond or lake for
                                                                                                           obstructed pipes and contact the appropriate authority for
                                                                                                           removal (this could be your HOA/POA, city, county, or
                                                                                                           local drainage district).
                                                                                                             4. Find out who is responsible for drainage in your
                                                                                                           community. Visit SFWMD.gov/FloodControl. Note the
                                                                                                           service area status under the search results. It may not be
                                                                                                           serviced even if the location is within an agency’s jurisdiction.
                                                                                                             As a homeowner or property owner association
                                                                                                           official, you are a key player in the flood control
                                                                                                           process. Your knowledge and actions can greatly
                                                                                                           contribute to your community’s flood resilience. Here’s
                                                                                                           what you can do:
                                                                                                             1. Familiarize yourself with your particular drainage
                                                                                                           system and how it fits into the overall South Florida
                                                                                                           drainage picture.
                                                                                                             2. Learn how the stormwater system works in your
                                                                                                           area and how to properly maintain the facilities under
                                                                                                           your responsibility.
                                                                                                             3.  Understand  your  community’s  irrigation  needs.
                                                                                                           Turn off your irrigation before a storm. Return to normal
                                                                                                           operating conditions after the storm. Remember, if the
                                                                                                           ground is saturated, you may not have to irrigate for quite
                                                                                                           some time after the storm.
                                                                                                             Reporting the location and condition of any clogged
                                                                                                           or damaged facilities is a crucial step in flood control. By
                                                                                                           doing so, you are actively contributing to your community’s
                                                                                                           flood resilience. Please make a note of important telephone
                                                                                                           numbers and keep them handy for quick reporting.
                                                                                                             NPDES tip: Your neighborhood drainage system
                                                                                                           is not a garbage disposal — don’t treat it like one.
                                                                                                           Encourage residents to take responsibility and to not
                                                                                                           dump chemicals, fertilizer, paint, oil, etc., in inlets or
                                                                                                           pipes. Discourage sweeping of lawn clippings and dirt
                                                                                                           into  street  drains  and  disposing  of  lawn  clippings  and
                                                                                                           other debris (wood, concrete blocks, Christmas trees, etc.)
                                                                                                           directly into retention lakes. Keep drainage facilities clear
                                                                                                           of vegetation, trash, improperly and illegally discarded
                                                                                                           appliances, shopping carts, tires, cars, garbage bags, etc.

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