Gutters ยท Lake Worth Beach
Gutters in Lake Worth Beach, FL
In a 10-year storm, a 5-minute downpour in Lake Worth Beach falls at 11.2 inches an hour. Gutters sized for ordinary rain can overflow in minutes. Your gutters and downspouts need to handle the burst, not the average day, and that changes how big they should be and where the water must go.
Updated October 2026

Our workSizing for local rain
How big gutters and downspouts need to be here
Plumbing code sizes horizontal gutters from the flow off the roof, so roof area and slope both matter. Your 6-inch half-round gutter, pitched at 1/8 inch per foot, moves 110 gallons per minute. A 5-inch gutter carries 74. That gap is about 49 percent, from the table values.
IllustrationIllustration: downpour with gutter
Downspouts follow their own table. A 3-by-4-inch or 4-inch round leader carries 192 gallons per minute, while a 2-by-2-inch leader carries only 30. Many older houses here still have small leaders that were never sized for the roof they serve.
The sizing basis matters. Older tables built on records through 1978 list a 5-minute, 10-year intensity for Miami at 7.7 inches an hour. The local figure for this town is 11.2 inches an hour, so an old chart can underbuild a gutter run here.
Where the water goes
Discharge rules for downspouts
Florida's residential code requires gutters on buildings whose eaves project less than 6 inches, except at gable end rakes or where a roof sits above another roof. Keep every downspout outlet at least 1 foot out from the wall, using buried pipe, a tail extension, or a splash block to get it there.
Gutters must be metal or approved plastic, joined with lapped, soldered or caulked seams and fastened with corrosion-resistant hardware. Water that pools at the foundation can cause damage over time, and warranties often exclude damage from poor drainage.
Keeping gutters clear
Leaves, trees and cleaning schedule
Southern live oaks in this area can reach 60 to 80 feet and drop litter year round. Oak pollen peaks in March and April, and pines drop most of their needles from September through November. Clear gutters after those drops, and before the June through September rain season.
Consumer testing found fine-mesh screens did better than screens with larger holes, but none fully stopped a severe downpour. Under heavy canopy, plan on cleaning more often. Work at height is risky when thunder is audible, so wait for a clear day.
Rain on your roof
Preset: 9.01 inches, the 10-year 24-hour rain (NOAA Atlas 14 at Lake Worth Beach).
11,226 gallons run off that roof, all of it toward the gutters and downspouts.
Math: square feet ร inches ร 0.623 gallons.
Questions
Gutters in Lake Worth Beach: questions
How hard does it rain in Lake Worth Beach?
A 5-minute downpour in a 10-year storm falls at 11.2 inches an hour here. In a 100-year storm the same burst reaches 16.4 inches an hour. A 24-hour storm in a 10-year event brings 9.01 inches of rain. Gutters and downspouts should be sized for these local figures, not for an average rainy day. Confirm the final design numbers with the Lake Worth Beach building office before work starts.
Source: NOAA Atlas 14 Volume 9 version 2, partial-duration intensity estimates at the Lake Worth Beach 2020 Census internal point (26.6197, -80.0587), read Oct 5, 2026
How often should I clean gutters in Lake Worth Beach?
Clean gutters at least twice a year, usually in spring and fall. Homes with trees over the roof need more frequent cleaning. Under oaks and pines, clean after the spring oak drop and pollen season, before the June to September storm season, and after the autumn pine-needle peak. Lake Worth Beach has many older homes, with a median build year of 1969, so gutters on those roofs often need extra attention. Use a ladder carefully, and never work near overhead lines or when thunder can be heard.
Source: thig.com, read Oct 5, 2026
Where should downspout water go in Palm Beach County homes?
Under Florida's residential code, a downspout has to empty at least 1 foot away from the sidewall. To meet that, choose between underground piping, a tail extension, and a splash block. A downspout that dumps water beside the foundation can cause problems over time. In Palm Beach County, many homes date to earlier decades, and the median year homes were built is 1969, so older foundations often benefit from careful drainage routing. Check the discharge method with the local building office, since inspectors may apply the rule differently.
Source: 2023 Florida Building Code, Residential, 8th ed., R318.5 (UpCodes viewer, unofficial transcription); FBC-Building 1503.7, read Oct 5, 2026
Nearby
Gutters near Lake Worth Beach
Sources for this page(36)
- 1.Median year homes were built: 1969. U.S. Census Bureau, American Community Survey 2024 5-year estimates (2020-2024), table B25035, via Census Reporter API. Read Oct 5, 2026.
- 2.NOAA NCEI U.S. Climate Normals 1991-2020 (access data service). Read Oct 5, 2026.
- 3.NWS Miami, Weather Safety - Lightning. Read Oct 5, 2026.
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- 6.U.S. Census Bureau, American Community Survey 2024 5-year estimates (2020-2024), table B25035, via Census Reporter API. Read Oct 5, 2026.
- 7.U.S. Census Bureau, American Community Survey 2024 5-year estimates (2020-2024), table B25034, via Census Reporter API. Read Oct 5, 2026.
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- 9.2023 Florida Building Code, Plumbing, 8th ed., Chapter 11 (UpCodes viewer, unofficial transcription). Read Oct 5, 2026. FBC text read from UpCodes (unofficial transcription): check floridabuilding.org or the ICC viewer before quoting (spec 8.7). Source URL inherited from COM-20 (the research cites it "as COM-20").
- 10.bergerbp.com. Read Oct 5, 2026.
- 11.2023 Florida Building Code, Residential, 8th ed., R318.5 (UpCodes viewer, unofficial transcription); FBC-Building 1503.7. Read Oct 5, 2026. FBC text read from UpCodes (unofficial transcription): check floridabuilding.org or the ICC viewer before quoting (spec 8.7).
- 12.2023 Florida Building Code, Residential, 8th ed., Chapter 8 (UpCodes viewer, unofficial transcription). Read Oct 5, 2026. FBC text read from UpCodes (unofficial transcription): check floridabuilding.org or the ICC viewer before quoting (spec 8.7). Source URL inherited from NC-2 (the research cites it "as NC-2").
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- 14.Florida Roofing and Sheet Metal Contractors Association (FRSA). Read Oct 5, 2026.
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- 20.NOAA Atlas 14 (HDSC Precipitation Frequency Data Server). Read Oct 5, 2026.
- 21.NOAA Atlas 14 Volume 9 version 2, partial-duration intensity estimates at the Lake Worth Beach 2020 Census internal point (26.6197, -80.0587), NOAA Hydrometeorological Design Studies Center. Read Oct 5, 2026.
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- 36.NOAA Atlas 14 at Lake Worth Beach: 11.2 in/hr (5-minute, 10-year). NOAA Atlas 14 Precipitation Frequency Data Server. Read Oct 5, 2026.
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Gutters in Lake Worth Beach
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