Miami-Dade County
Miami Gardens is mostly single-family houses, about half of them built before 1970, and thousands still rely on septic tanks. Add a high water table and two major canals, and heavy rain can cause trouble both outside and under the house.
ZIP codes in the area
Some of these ZIP codes also include neighboring communities.
Miami Gardens became a city in 2003, but the houses are much older than the city. It was formed from long-established communities such as Carol City, Norland, Scott Lake and Bunche Park, and Census estimates put the median home’s construction year at 1970. About two in three housing units are detached single-family houses, well above the 39 percent share for Miami-Dade County as a whole, and close to two-thirds are owner-occupied.
That mix matters when something leaks. A detached house has no neighbor below to spot a ceiling stain, so a slow drip behind a washing machine or under a water heater can run for weeks, soaking baseboards, cabinet bases and the wall behind them before the floor feels soft.
Miami Gardens had more homes on septic than any other municipality in a 2018 county report, with over 6,700 residential parcels. The same report expected roughly two-thirds of them to face periodic problems by 2040 as groundwater rises. Across the county, groundwater is usually highest around September and October, near the end of the rainy season.
A septic system needs dry enough soil to work. When the drainfield sits in wet ground, the symptoms inside the house tend to be slow drains, gurgling, odors, or water coming back up through a shower or floor drain. That water is sewage, even when it looks fairly clear. Cleanup starts with removing it safely and disinfecting, and any carpet or drywall it reached is usually thrown out. The sewage cleanup page explains how that work is handled.
The city points to the C-8 and C-9 canals as part of its flood picture. In a hard rain they can overtop or back up, and the smaller canals and neighborhood drains feeding them can do the same. With groundwater already just below the surface, yards and streets fill quickly.
This has happened at scale before. After Hurricane Irene in 1999 and the October 2000 storm, many parts of Miami Gardens stayed flooded for long periods and lost power. For a homeowner, the lesson is to act on wet materials as soon as the water recedes. Floodwater brings in soil and street runoff, and in South Florida heat, mold can start on wet drywall and furniture within a couple of days. The steps after water damage guide covers what to do first.
Only one of the four ZIP codes on this page, 33056, falls entirely inside Miami Gardens. By land area, 33054 is mainly Opa-locka, and about half of 33055 sits outside any incorporated city or census place. Most of 33169 is Miami Gardens, with a slice of Golden Glades and a sliver of North Miami Beach. All of them are served by the same 24/7 phone line.
A 2018 Miami-Dade County report counted 6,708 residential parcels on septic in Miami Gardens, more than any other municipality in its table, and projected about 4,500 of them to be vulnerable to periodic compromise by 2040. Groundwater in the county sits closest to the surface around September and October.
About half of the city's housing units were built before 1970, and close to a third date from the 1950s alone, according to Census estimates. Water heaters, supply lines and drain lines in houses that age deserve a close look whenever a stain or soft spot shows up.
The City of Miami Gardens warns that the C-8 and C-9 canals could overtop their banks or back up during heavy rain, along with smaller canals and neighborhood drainage. When that happens, stormwater has nowhere to go.
The city reports that Hurricane Irene in 1999 and the no-name storm of October 2000 left many areas flooded for long periods, with power losses on top of the water. Wet homes without power cannot run fans, dehumidifiers or air conditioning, so drying starts later.
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FAQ
Yes. By land area, 33054 is roughly half Opa-locka and about a third Miami Gardens, and the whole ZIP is served. 33169 also takes in part of Golden Glades, and half of 33055 lies outside any city or census place. Every ZIP code listed on this page is on the same 24/7 line.
When the ground around a septic drainfield is soaked, wastewater has less room to drain away, and it can push back toward the house. Anything that comes up through a drain should be treated as sewage. Keep people and pets away from it, stop using water in the home, and have the affected area cleaned and disinfected before any drying begins.
The city describes Miami Gardens as flat and low-lying, with groundwater just below the surface. In the rainy season the soil fills up, the canals rise, and stormwater has no easy exit, so standing water can take a long time to drain. If that water gets inside, it counts as floodwater and needs a contaminated-water cleanup.
Start with the places water runs every day. Look under sinks, behind toilets and washing machines, around the water heater and inside the AC closet for rust, staining, warped wood or a musty smell. A small, steady drip in an older home can soak a wall cavity or subfloor well before it shows on the surface.
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Shut off the water if you can reach the valve safely, then call. Describe where it came from and which rooms are wet.
When you call, have ready