2 men standing in a field

Drones Used For Flood Control

Approximately four years ago, the Lake Worth Drainage District (LWDD) began implementing the flying of Unmanned Aircraft Systems (UAS) commonly known as drones to monitor the canals, rights-of-way and flood control structures within its 200 square miles of the service area.

The drones are used as a professional tool to gather data, take images and video. The ‘bird’s eye-view’ provides a unique perspective that can quickly identify issues so that corrective actions can be taken before they develop into costly repairs. Due to their small size, the drones can reach areas difficult to inspect from the ground. They perform quickly and in a repetitive manner providing accurate and consistent data. Drone flights can cover large geographical areas using a two-man crew in a stationary location. This helps minimize inspection costs and avoids exposure of personnel to possible environmental risks and injuries.

LWDD deployed its drones after Hurricanes Irma & Michael. The results were very beneficial in post-storm assessments by aiding recovery teams to efficiently identify damage sites and prioritize response efforts. The data captured by the drone flights can be mapped and used for future emergency response planning by water managers.

LWDD’s operators strictly adhere to the Federal Aviation Association’s (FAA) regulations and are cognizant of surrounding homes during flights. The use of UAS systems is one of the more recent additions to LWDD’s flood control toolbox. For more information on the various methods used for flood control, visit https://lwddnet.wpengine.com/managing-water/overview.

C Stanley Weaver Canal Dredging 1919

The Orrin Randolph Plan

The Lake Worth Drainage District (LWDD) was established on June 15, 1915, with a three-member Board of Supervisors whose mission was to reclaim land within its boundaries. Prior to the creation of LWDD, a considerable amount of drainage work had already been completed by several entities such as the State of Florida, the Palm Beach Farms Land Company, the Model Land Company, and the Boston & Florida Atlantic Coast Land Company. In addition, private landowners and farmers had dredged drainage canals throughout the area. Although small drainage systems had been created, a cohesive long-term drainage plan was needed for the future expansion of what is now known as Palm Beach County.

In the spring of 1916, Orrin Randolph, Chief Engineer for the newly created LWDD, presented his first report to the Board of Supervisors. This report contained 127 pages detailing a plan of means and methods for draining the lands within the boundaries of LWDD. The report was submitted in compliance with Chapter 6458 of the 1913 Session Laws of the State of Florida. At that time, LWDD consisted of 129,317 acres of land and 3,400 acres of water. Rectangular in shape, LWDD extended 26 miles in length and 8 miles in width. Population records of 1916 showed there were approximately 6,500 owners of property within LWDD’s boundary making the average ownership equal to 20 acres per capita. Approximately 400 farmers were cultivating an estimated 5,000 acres of land, principally vegetables for distribution to northern markets.

In his report, Orrin Randolph identified the areas within LWDD that could not safely be relied upon for agricultural purposes and outlined the design parameters needed for future drainage. Randolph stated, “Provisions for artificial drainage would absolutely be necessary in order to provide a run-off rapid enough to prevent the destruction of crops as a result of accumulated excess water on the land.” Thus, Randolph’s extensive report was adopted by the Board of Supervisors as the Plan of Reclamation. The implementation of this plan would forever change the local landscape.

South Florida’s abundant agricultural resources served as the catalyst upon which prosperous and populous cities were built. This prosperity, then and now, is a result of the water management plan introduced by Orrin Randolph and adopted by LWDD over a century ago as the Plan of Reclamation. This plan created a large network of drainage canals providing flood control and water supply which remarkably still functions today for over 800,000 residents and tens of thousands of acres of farmland.

Agriculture in our area no longer exists to only feed the local inhabitants, and the migration of people into Florida continues to increase annually. LWDD has modified its mission over the century to meet the changing water management needs of these two diverse communities. Much of the District’s emphasis today is on residential flood protection. Although meeting the needs of agriculture and settlement can bring many challenges, it is because they harmoniously co-exist that living and working in our community is so highly desirable.

businessman with clipboard

2020 Drainage Check-up

businessman with clipboardStormwater drainage/flood control in our area is a shared responsibility. It is achieved through an interconnected, three-tiered drainage system. This system consists of:

  1. Neighborhood drainage systems, or tertiary systems, operated by property owners or residential associations
  2. Secondary flood control canals operated by the Lake Worth Drainage District (LWDD)
  3. Primary flood control provided by the South Florida Water Management District (SFWMD)

Neighborhoods systems are designed to retain water in swales and onsite retention ponds. Excess stormwater may be discharged into LWDD canals through control structures with fixed or operable weirs to prevent flooding of property. To be ready for whatever nature sends our way, whether it’s a typical summer rainstorm, a hurricane or drought, a properly working drainage system is imperative.

The dry season for south Florida is approximately November through May, thus January is the ideal time of year for residential communities to conduct inspections of their drainage infrastructure and make any necessary repairs. To ensure you have a well-maintained drainage system, communities should:

  • Maintain swale areas with regular mowing
  • Clear debris from street drains
  • Inspect discharge points/outfalls into LWDD canals
  • Have underground drainage pipes inspected every three to five years
  • Exercise operable discharge control structures by opening and closing them a few times
  • Visually inspect fixed discharge control structures for structural integrity and potential blockages

No drainage system is 100% flood-proof. The most important actions a residential association can take to protect their community from flooding is regular inspection and maintenance of the community’s drainage system. More information on community drainage and flood control can be found on LWDD’s website (Link: www.lwdd.net ).

Lake Okeechobee Drought 2007

Lake Okeechobee Water Management

At its meeting on April 19, 2019, the LWDD Board of Supervisors unanimously adopted Resolution 19-04 urging the U.S. Army Corps of Engineers (USACE) and the South Florida Water Management District (SFWMD) to consider the importance of protecting Palm Beach County’s water supply in the development of a new Lake Okeechobee regulation schedule.

Lake Okeechobee is part of an integrated regional water management system essential to communities, businesses, public water supply utilities and ecosystems throughout Palm Beach County. The U.S. Army Corps of Engineers (USACE) manages Lake Okeechobee water levels. The USACE is in the process of developing a new Lake Okeechobee water level regulation schedule called the Lake Okeechobee System Operating Manual (LOSOM) which will define the parameters for future management of Lake Okeechobee.

The LWDD is highly dependent on Lake Okeechobee as a source of water supply, especially during times of water shortages. As the new LOSOM is developed, LWDD urges the USACE and the South Florida Water Management District (SFWMD) to favor operational alternatives that maximize health, safety, and welfare of the water-use community. The future operational design for Lake Okeechobee should include changes that minimize the potential for short-term water supply shortages, and protect the existing permitted water allocations, which will assure the predictability of a continued and reliable source that is essential to water supply planning on local and regional levels.

The LWDD recognizes that water supply is but one of the significant public health, safety and welfare concerns that must be weighed by the USACE and SFWMD in the development of LOSOM. These include the environmental health of the Lake, the health of flora and fauna which make Lake Okeechobee home, the health of the Everglades, the health of the Caloosahatchee and St. Lucie Estuaries, and the integrity of the Herbert Hoover Dike and safety of surrounding communities.

The Lake Worth Drainage District (LWDD) provides flood control and water supply for more than 800,000 residents and more than 10,000 acres of agricultural land in Palm Beach County. The LWDD service area encompasses 218 square miles, with 13 municipalities and 511 miles of drainage canals. Additionally, LWDD water control activities provide aquifer recharge to prevent saltwater intrusion for numerous major wellfields.

A copy of the resolution can be found at LWDD Resolution 19-04.