Gutters · Three Lakes
Gutters in Three Lakes, FL
A 5-minute downpour in a 10-year storm falls at 10.8 inches an hour in Three Lakes. That is the rate gutters here have to handle at peak. Most rain arrives in bursts, and the gutter and downspout have to keep up with the burst, not the daily total.
Updated October 2026

Sizing for this rain
How gutters are sized for Three Lakes rain
Florida sizing tables use the rain rate, not the yearly total. Local rates here run higher than the older tables many manufacturers still print. Plan for the 10-year burst at 10.8 inches an hour, and expect the 25-year rate of 12.6 inches an hour on a steep or large roof.
IllustrationIllustration: seamless k style white
Horizontal gutter capacity is tied to the flow coming off the roof. A 6-inch half-round at 1/8 inch per foot carries 110 gallons a minute, about 49 percent more than a 5-inch at the same slope. A larger roof or a steeper pitch pushes the size up.
- Count the roof plan area that drains to each run of gutter.
- Add half the area of any wall that sheds rain onto that roof.
- Match downspout capacity to the gutter it feeds.
Where the water goes
Downspout discharge rules in Miami-Dade
Downspouts must end at least 1 foot from the house wall, whether by underground pipe, tail extension or splash block. On a Three Lakes lot, that keeps a 10-year burst from soaking the foundation edge.
About 51.6 percent of housing units in Three Lakes are single-family detached homes, and each one handles its own roof runoff. Water covers 16.6 percent of this place by the 2020 boundaries, so confirm the discharge route with the Miami-Dade building office before finishing the job.
Keeping gutters clear
Leaves, pollen and cleaning gutters here
Oaks and pines shed heavily in Central Florida, and Three Lakes homes with a canopy need a steady cleaning rhythm. Schedule a cleaning after the spring oak drop, ahead of the June to September storm season, and again once the autumn pine needles peak.
Clogged gutters can cause water damage, mold and pest problems. Clean them at least twice a year, and more often under heavy trees.
Rain on your roof
Preset: 8.27 inches, the 10-year 24-hour rain (NOAA Atlas 14 at Three Lakes).
10,304 gallons run off that roof, all of it toward the gutters and downspouts.
Math: square feet × inches × 0.623 gallons.
Questions
Gutters in Three Lakes: questions
How much rain should my gutters handle in Three Lakes?
Plan for a 5-minute burst at 10.8 inches an hour in a 10-year storm. The 25-year rate is 12.6 inches an hour, and the 100-year rate is 15.5 inches an hour. Those rates set the gutter size you need. Ask your installer to size the run to the roof area it drains, and check the result against the plumbing code tables.
Source: NOAA Atlas 14 Volume 9 version 2, partial-duration intensity estimates at the Three Lakes 2020 Census internal point (25.6427, -80.4000), read Oct 5, 2026
Where should my downspouts drain on a Three Lakes lot?
Downspouts in Three Lakes must discharge at least 1 foot from the sidewall. Water covers 16.6 percent of Three Lakes by the 2020 boundaries, so a lot near water may need more care. Confirm the route with the Miami-Dade building office.
Source: 2023 Florida Building Code, Residential, 8th ed., R318.5 (UpCodes viewer, unofficial transcription); FBC-Building 1503.7, read Oct 5, 2026
How often should I clean gutters under oaks in Three Lakes?
Clean them at least twice a year, and more often under heavy trees. Miami Intl Airport normals show 76.6 percent of annual rain falls from May through October, so clear the gutters before that stretch. Southern live oaks drop leaves that become litter, and pines shed needles mostly from September through November. Clean again after the autumn needle peak.
Source: NOAA NCEI U.S. Climate Normals 1991-2020 (access data service), read Oct 5, 2026
Nearby
Gutters near Three Lakes
Sources for this page(34)
- 1.Single-family detached share of housing units: 51.6%. U.S. Census Bureau, American Community Survey 2024 5-year estimates (2020-2024), table B25024, via Census Reporter API. Read Oct 5, 2026.
- 2.U.S. Census Bureau, 2020 Census counts (POP100, HU100) via TIGERweb tigerWMS_Census2020 (AREALAND/AREAWATER). Read Oct 5, 2026.
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- 7.2023 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").
- 8.2023 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).
- 9.2023 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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- 18.NOAA Atlas 14 Volume 9 version 2, partial-duration intensity estimates at the Three Lakes 2020 Census internal point (25.6427, -80.4000), NOAA Hydrometeorological Design Studies Center. Read Oct 5, 2026.
- 19.U.S. Census Bureau, American Community Survey 2024 5-year estimates (2020-2024), table B25024, via Census Reporter API, U.S. Census Bureau (via Census Reporter). Read Oct 5, 2026.
- 20.Miami-Dade County Regulatory and Economic Resources (RER) - Building & Permits, Miami. Read Oct 5, 2026.
- 21.NOAA Atlas 14 Volume 9 version 2, partial-duration 24-hour depth estimates at the Three Lakes 2020 Census internal point (25.6427, -80.4000), NOAA Hydrometeorological Design Studies Center. Read Oct 5, 2026.
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- 32.Miami-Dade County RER notice, Miami. Read Oct 5, 2026.
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- 34.NOAA Atlas 14 at Three Lakes: 10.8 in/hr (5-minute, 10-year). NOAA Atlas 14 Precipitation Frequency Data Server. Read Oct 5, 2026.
South Fork Roofing
Gutters in Three Lakes
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