Water in a Cape Coral house? Close the valve, then call.

What should you do in the first ten minutes of a leak in Cape Coral?

Shut the water off at the house valve or the meter, keep people and pets away from wet outlets and appliances, and cut power to that area only if the panel is dry and reachable. Move what you can lift off the wet floor. Then call, and treat flood or canal water as contaminated.

Find your shut-off before you need it. On many houses here the valve sits on an exterior wall near where the supply enters, and the meter box is out near the swale by the street. A water heater has its own cold-water valve on top of the tank, a toilet has an angle stop behind it, and a washer and a dishwasher each have their own stops.

Then stop the spread rather than the stain. Pull up loose rugs, lift furniture legs onto something dry, and get cardboard boxes off the floor before they wick. Mopping the surface feels productive, but the water that matters has already gone under the tile edge and into the bottom of the wall, and only a meter will tell you where.

• Kill the source: the main valve for a supply line, the tank valve for a water heater, the angle stop for a toilet, the stop behind an appliance.
• Electrical first, water second: standing water near an outlet, a floor lamp or a wet appliance means nobody walks in until that circuit is off.
• Treat dirty water as dirty: canal, surge, yard or sewage water is handled as contaminated and is not something to wade through.
• Photograph before you move anything, then photograph again as you clear it, with the wet floor and the ceiling in the same frames.
• Leave the AC running if it is working, because a cooling, dehumidifying house loses ground more slowly than a closed-up hot one.

How long does drying take in Southwest Florida humidity?

Days rather than hours, and the meter decides, not a schedule. Tile over a slab, block walls with furring strips and insulated cavities each give up water at their own rate, and outdoor air here is usually wetter than the room, so drying runs on closed doors and dehumidification rather than ventilation.

The reason equipment stays longer here than a homeowner expects is the air. Through most of the year the dew point outside sits high enough that opening a slider adds moisture to the room instead of removing it. Drying works by keeping the space closed, pulling the water out of the air with a dehumidifier, and keeping air moving fast along the wet surfaces so more of it leaves the material.

Materials matter as much as the weather. Water under a tile floor sits in the thinset and the slab, and concrete releases it slowly. A block wall with furring and drywall hides a narrow cavity that reads dry at the surface long before the plate behind it does. That is why readings are taken at the slab edge, the bottom plate and inside the cavity, and why the job ends on numbers rather than on how a room feels.

There is a clock on the front end, though. The EPA's guidance is to dry wet materials within about 24 to 48 hours, because that is the window in which mold growth usually starts. Nothing about that window is a promise about arrival time; it is the reason the call is worth making at 2 a.m. rather than after breakfast. The structural drying page walks through how the equipment is placed and measured.

Why is canal, surge or flood water handled differently from a clean leak?

Because of what is in it. Restoration practice sorts water into three categories, and flood, canal and surge water is the dirtiest of them. Porous materials it has soaked through are generally removed rather than dried, the surfaces under them are cleaned, and the room is dried afterwards.

A split supply line puts clean water on the floor. An appliance or a long-standing leak gives you gray water. Water that has come across the ground, out of a canal or in on a surge is treated as the third category, the one that may carry sewage and whatever else it crossed on the way in, and clean water that has sat and warmed can work its way down the scale as well.

In practice that changes the scope, not just the cleaning. Carpet pad, soaked particleboard, the lower edge of drywall and wet cabinet bases usually come out when flood water has been through them, because cleaning cannot reach the inside of a material like that. The slab, the framing and the hard surfaces are cleaned and then dried under equipment in a closed room.

It also changes who pays, which is worth knowing before the claim call. A standard homeowners policy generally responds to sudden and accidental water damage and generally excludes surface flood water, which sits with a separate flood policy through the National Flood Insurance Program or a private insurer. The policy and the insurer decide every time. Storm surge and flood cleanup covers the work itself, and the insurance claims guide covers the paperwork.

Does the city get involved in repairs after a flood?

It can. Under the National Flood Insurance Program, a structure in the Special Flood Hazard Area whose repair or improvement cost reaches or passes 50 percent of the structure's value has to be brought into compliance with current flood rules. The city, not the owner or the contractor, makes that determination.

That matters here because so much of the housing predates the rules it would now be measured against. Elevation certificates have been required since 1991, so a house from the late 1950s through the 1970s may not have one, and a building already above the freeboard elevation with proper flood openings can usually be repaired without triggering the rule when the certificate shows it.

The practical step is a phone call before a demolition order, not after it. Ask the city about the substantial-improvement determination for your address, or Lee County if you are outside the city limits, because the rule is published for unincorporated areas too. Mitigation work, getting the water out and the structure dried, is not the part that waits. The 50 percent rule guide sets out what to ask and in what order.

Which water problems turn up in which season here?

Wet season runs from about late May to early October, bringing near-daily afternoon storms, roof leaks and flash flooding. Hurricane season runs June 1 to November 30 and peaks around September. Dry season moves the calls indoors: plumbing, appliance and AC condensate failures continue all year.

The wet half of the year is the loud half. Afternoon thunderstorms find the weak point in a roof, a flashing or a wind-lifted tile, and the water shows up as a ceiling stain two rooms away from where it got in. From mid-September into early October a tropical system is on the table, which is a different scale of job: wind-driven rain, surge and canal water rather than a single leak.

The dry half is quieter but not quiet. Air conditioning runs most of the year here, so a clogged condensate drain can overflow in January as easily as in July, and it tends to do it into a closet or down a wall where nobody sees it for a week. Water heaters, washer hoses, ice-maker lines and slab leaks have no season at all.

Hurricane Ian made landfall as a strong Category 4 over Cayo Costa on September 28, 2022, and it is still the local reference point for what storm water can do in Lee County. The city shut down its potable water system after a pipeline was damaged, and press accounts put surge at 6 to 9 feet in places including parts of this city. The hurricane and flood guide covers what to do with salt and canal water in a house afterwards.