By mid-August, your plumbing has absorbed three solid months of Florida summer punishment: extended heat, daily thunderstorms, constant AC use, more people using more water, and pipes expanding and contracting in attic temperatures that regularly hit 140°F or higher.
Now you're entering the most dangerous stretch of hurricane season. August 17 through October 10 is when the Atlantic basin is most active. A major storm over Southwest Florida — the kind we saw with Ian in 2022 — doesn't just damage roofs. It overwhelms drainage systems, pushes sewage back into homes, and leaves behind conditions that accelerate pipe corrosion for years afterward.
The good news: you still have time to get ahead of it. Here are the seven things we recommend every Southwest Florida homeowner do right now.
1. Check Your Main Water Shut-Off Valve — And Make Sure It Actually Works
This is the most important and most overlooked item on this list. In a hurricane or major pipe failure, the first thing you need to do is shut the water off. If you've never tested your main shut-off valve, or haven't tested it in years, there's a real chance it won't turn — or won't fully close.
Shut-off valves in Florida homes corrode and seize over time, especially ball valves that haven't been exercised. A valve that's been stuck in the open position for five or ten years may not close during an emergency. You'll turn it, feel resistance, and panic — exactly when you can't afford to.
What to do: Locate your main shut-off (usually near the street at the meter, or where the supply line enters your home). Slowly turn it off, confirm water stops flowing at a faucet inside, then turn it back on. If it's stiff, doesn't fully close, or leaks around the handle, call us to replace it. A new gate or ball valve is a $150–$250 fix. A seized valve during a burst pipe scenario is a disaster.
2. Flush and Inspect Your AC Condensate Drain Line
August is peak humidity month in Southwest Florida. Your air conditioner is pulling moisture out of the air constantly — producing gallons of condensate water per day — and draining it through a small PVC line. After three months of continuous summer operation, that line is almost certainly developing a biological buildup of algae and mold inside it.
A clogged condensate line causes water to back up into the drain pan, overflow, and damage ceilings, walls, and flooring. We see this call almost every week in August and September. The repair isn't just the plumbing — it's the drywall, the paint, sometimes the insulation. A single overflow event in a Florida home can cause $3,000 to $10,000 in water damage.
What to do: Find the capped PVC access point on your condensate line (usually near the indoor air handler in your utility closet or attic). Pour one cup of white vinegar down the line, wait 30 minutes, then flush with water. Repeat monthly through October. If the line is already draining slowly or your float switch has tripped and shut down the AC, call us — don't just reset the float switch and move on. The blockage needs to be cleared.
3. Pull Up Your Last Three Water Bills and Compare Them
This is the fastest way to detect a hidden leak. Your water utility bill is a data source that most homeowners don't use — until they're shocked by an unexplained spike.
In Southwest Florida, it's normal for summer water use to be 20–30% higher than winter use (irrigation, pools, extra showers). What's not normal is a sudden jump that doesn't correspond to a change in your routine. A slab leak that's losing 50 gallons per day may only add $15–$20 to a monthly bill — easy to explain away as summer usage. But tracked across three months, the pattern becomes clear.
August is also when we start seeing the delayed effects of thermal expansion damage from early summer. Pipes that developed micro-cracks in June are now leaking steadily. That water is going somewhere — often into the slab, under flooring, or inside walls.
What to do: Compare June, July, and August bills. If usage is creeping up month-over-month without a clear reason, schedule a leak detection inspection. Also do the meter test: shut off all water inside and outside, then watch your meter for 15 minutes. If the dial moves, you have a leak somewhere in the system.
4. Inspect Your Storm Drains and Backflow Prevention
Peak hurricane season means peak flood risk. When a major storm drops 6–10 inches of rain in a few hours — which is entirely within the range of what Southwest Florida sees — municipal storm drains get overwhelmed. That excess water has to go somewhere, and in low-lying areas, it goes backward through the path of least resistance: into homes through floor drains, toilets, and shower drains.
If your home doesn't have a backflow prevention valve on the sewer line, you're exposed to this. A sewage backup during a storm isn't just a mess — it's contaminated wastewater containing bacteria and pathogens that require professional remediation. Many homeowners don't carry the right insurance coverage for sewer backup and discover this at the worst possible moment.
What to do: Check that your property's drainage moves water away from your foundation — particularly after recent rains. Clear any debris from outdoor drains and downspout extensions. If you don't have a backflow prevention valve, ask us about having one installed before the season peaks. Also verify that your homeowner's insurance includes sewer backup coverage — call your agent this week if you're not sure.
5. Assess Your Water Heater After Three Months of Heavy Use
Your water heater has been running hard since May. In Sarasota and Fort Myers, where water hardness runs 120–125 mg/L, three months of peak summer use adds significant scale accumulation inside the tank. If you didn't flush your water heater before summer, now is the time to do it — or have it done professionally if the unit is 8 or more years old.
The warning signs of a water heater on its way out are subtle in summer: you might notice slightly less hot water than usual, a faint rumbling or popping sound when the unit heats (that's steam escaping through sediment), or a pilot light that needs relighting more than once. By September and October, when cooler weather arrives and the groundwater temperature drops, these issues accelerate rapidly.
What to do: If your water heater is under 8 years old and you've maintained it, flush the tank (drain 2–3 gallons from the drain valve to clear settled sediment). If it's 8–12 years old and you've never serviced it, have a professional assess it. If it's over 12 years old, consider replacing it now rather than during an emergency — a water heater that fails during or after a storm is difficult to get serviced quickly. We handle water heater replacements throughout Southwest Florida.
6. Clear Your Drains After the Summer Season
Three months of summer use leaves a specific kind of debris in Southwest Florida drains: sand from beaches and parks, sunscreen and cosmetic residue, extra hair from more frequent showering, and in outdoor showers, a combination of all of the above. This material accumulates in the trap and upper portion of drain pipes, creating a partial blockage that slows drainage and eventually causes backups.
Kitchen drains accumulate differently. Summer grilling season means more grease — from outdoor kitchens, from stovetop cooking for bigger groups, from food prep that went up significantly between Memorial Day and Labor Day. That grease doesn't move out of your drain system. It cools, congeals, and coats the inside of your pipes. The warmer the weather, the more liquid it behaves — but the moment temperatures drop in October, it solidifies and clogs fast.
What to do: Run a kettle of hot water down kitchen drains weekly. Use a drain snake or enzyme cleaner in bathroom drains — not chemical drain openers, which damage older pipes and only punch a hole through the clog rather than clearing it. If multiple drains in the house are slow simultaneously, that points to a main line issue rather than individual drain clogs, and you need professional clearing.
7. Check Your Irrigation System for Broken Heads and Leaks
Your irrigation system has been running through the hottest months of the year, often daily or every other day. Sprinkler heads crack in Florida heat. Underground supply lines develop leaks at connections. And after months of regular use, you may have heads that are spraying sidewalk instead of grass — wasting water and potentially running up your bill significantly without your noticing.
An irrigation system leak that runs for 30 minutes every other day can waste 500–1,000 gallons per month — invisible to you, but visible on your water bill. And because irrigation systems are on a separate zone timer, they often run at 4 or 5 AM when no one is watching.
What to do: Walk your property during an irrigation cycle. Watch each zone run for its full duration. Look for heads that are not rotating correctly, streams spraying in the wrong direction, or wet spots in the lawn outside the spray pattern (which often indicates an underground leak). Replace cracked or broken heads yourself (they're usually $5–$15 parts), or call us for anything involving the supply lines or the main irrigation shutoff.
Your August Plumbing Checklist
- Test main water shut-off valve — confirm it opens and closes fully
- Flush AC condensate drain line with white vinegar
- Compare last 3 water bills for unexplained increases
- Run the meter test (all water off — does the dial move?)
- Clear outdoor drains and check backflow prevention
- Flush or service water heater if 8+ years old
- Clear bathroom and kitchen drains of summer buildup
- Walk irrigation system during a cycle and check for broken heads
- Verify homeowner's insurance covers sewer backup
Why August Is the Right Time — Not September
We get calls every September from homeowners who meant to handle something in August. A clogged condensate line that could have been cleared with vinegar in August caused $6,000 in ceiling damage during a September AC failure. A loose irrigation supply line that would have been a quick fix became a two-week ordeal after it failed during a storm and saturated the foundation. A seizing shut-off valve that needed replacement sat untouched — until the moment it was desperately needed and wouldn't close.
The window between now and the peak of hurricane season is about three weeks. That's enough time to work through this checklist, schedule any inspections or repairs that come up, and have everything buttoned up before the most dangerous stretch of the year.
If you want a professional to do this assessment for you, we offer free plumbing inspections for Southwest Florida homeowners. One visit, no pressure, no sales pitch — just an honest evaluation of where your system stands and what, if anything, needs attention before fall.