Living along the Grand Strand of Myrtle Beach means beautiful beaches, salty air, and — every year from June through November — keeping one eye on the tropics. Most Myrtle Beach homeowners have a hurricane checklist down to a science: water, batteries, plywood, a full tank of gas. But there’s one system almost everyone forgets to prep, and it’s the one that causes some of the most expensive storm-related damage of all: your plumbing.
Heavy rain, storm surge, power outages, and shifting ground all put stress on your home’s pipes, drains, and water heater in ways that sunny-day living never does. The good news? Most hurricane-season plumbing emergencies are preventable with a little work before the storm clouds gather. Here’s your complete guide from the team at At Your Service Plumbing, Heating & Air.
Why Hurricane Season Is So Hard on Grand Strand Plumbing
Myrtle Beach sits low, drains slow, and floods fast. When a tropical system parks over Horry County, the municipal storm and sewer systems can take on more water than they’re designed to handle. That pressure has to go somewhere — and sometimes “somewhere” is backward, up through the lowest drains in your home.
Add in our sandy coastal soil, which shifts and settles when it becomes saturated, and you have a recipe for stressed pipe joints, strained connections, and slab movement. Homes east of Highway 17 and in low-lying neighborhoods near the Intracoastal Waterway face the highest risk, but a strong enough storm doesn’t discriminate. Even homes in Carolina Forest and Conway see backup and saturation issues after a major rain event.
Before the Storm: Your Plumbing Prep Checklist
The best time to prevent a plumbing emergency is when the forecast is still clear. Once a named storm is 48 hours out, plumbers across the Grand Strand get booked solid — so handle these items early in the season.
Know where your main water shut-off valve is. This is the single most important piece of plumbing knowledge any homeowner can have. If a pipe bursts during a storm, shutting off the main can be the difference between a puddle and a flooded first floor. In most Myrtle Beach homes, you’ll find it near the water meter at the street, in the garage, or where the main line enters the house. Find it now, test that it turns, and make sure every adult in the house knows where it is.
Clear your gutters, downspouts, and outdoor drains. When gutters clog, stormwater dumps straight down against your foundation — exactly where you don’t want it. Clear debris from gutters, extend downspouts away from the house, and check that yard drains and area drains aren’t blocked by sand, pine straw, or landscaping debris.
Have your sewer line inspected if you’ve had warning signs. Slow drains throughout the house, gurgling toilets, or sewage odors in the yard are signs your main sewer line may already be compromised by roots or sand infiltration. A pre-season camera inspection is inexpensive compared to a mid-storm sewage backup.
Consider a backwater valve. If your home has ever experienced a sewer backup during heavy rain, ask us about installing a backwater valve. This one-way device allows wastewater to leave your home but physically blocks the municipal system from pushing sewage back in when it’s overwhelmed. For flood-prone Grand Strand neighborhoods, it’s one of the smartest investments a homeowner can make.
Check your sump pump — and add a battery backup. If your home has a sump pump or crawl space pump, test it before you need it: pour a bucket of water into the pit and confirm it kicks on and discharges properly. Then remember that hurricanes knock out power, usually at the exact moment your pump matters most. A battery backup keeps it running through an outage.
Secure outdoor plumbing fixtures. Wrap or shut off outdoor showers (a Grand Strand staple), disconnect garden hoses, and make sure hose bibs aren’t leaking. Loose fittings become failure points when debris starts flying.
When a Storm Is Approaching: The 48-Hour Countdown
Once the cone of uncertainty includes the Grand Strand, a few simple steps can dramatically limit potential damage.
First, if you evacuate, shut off your main water valve before you leave. A pipe that fails while you’re gone can run for days. If your home will be empty, consider turning off the water heater as well — set gas models to “vacation” mode or switch off the breaker for electric units so the tank isn’t heating with no one home.
Second, fill what you need before the storm, not after. Fill bathtubs and containers with water for flushing and cleaning in case service is interrupted. City water in Myrtle Beach is generally reliable, but boil-water advisories after major storms aren’t unheard of.
Third, limit what goes down the drain. When the ground is saturated and the sewer system is stressed, give it as little work to do as possible. Hold off on laundry, run the dishwasher before the rain starts, and space out showers.
After the Storm: What to Check Before You Relax
Once the weather clears, walk your home with plumbing on your mind. Run water at each fixture and watch how it drains — slow drainage everywhere can signal a sewer line problem, while one slow fixture is usually a local clog. Check your water heater, especially if it sits in a garage or crawl space that took on water; a flooded gas water heater should be inspected before it’s relit, and flooded electrical components should never be re-energized without a professional look. Scan your yard for new soggy patches, sinkholes, or unusually green stripes of grass, which can indicate a broken supply or sewer line underground. And check your water meter: with everything in the house off, a spinning meter means water is escaping somewhere.
If you smell sewage, see backup in tubs or floor drains, or notice water pressure that never returns to normal, stop and call a professional. Storm-damaged plumbing rarely fixes itself, and small failures grow quickly.
A Word About Flood Insurance and Documentation
Standard homeowner’s policies treat storm water damage differently depending on how it entered your home, and sewer backup coverage is often a separate rider. Before hurricane season peaks, it’s worth a call to your insurance agent to confirm exactly what’s covered. If you do suffer damage, photograph everything before cleanup begins — your future claim will thank you.
Be Ready Before the Tropics Are
Hurricane season is a fact of life in Myrtle Beach, but plumbing disasters don’t have to be. A shut-off valve you can find in the dark, clear drainage, a tested sump pump, and a healthy sewer line will carry your home through the vast majority of what the Atlantic throws at us.
At Your Service Plumbing, Heating & Air helps Grand Strand homeowners get storm-ready every summer — from pre-season sewer inspections and backwater valve installations to emergency repairs when the unexpected happens. Don’t wait for a name on the map. Schedule your hurricane-season plumbing checkup today, and face the season with one less thing to worry about.
Serving Myrtle Beach, North Myrtle Beach, Conway, Carolina Forest, Surfside Beach, Murrells Inlet, and communities across the Grand Strand.
