MEDAS Portable Sump Pump for Swimming Pool, Garden Pond, Bas

The Verdict

If you’ve ever stood in ankle-deep water in a basement with a shop vac that’s giving up the ghost, you know the exact moment a real sump pump earns its keep. The MEDAS Portable Sump Pump is aimed at that scenario and about a dozen more — pool draining, pond maintenance, even emptying a water heater tank. With a 4.6-star average across 229 ratings, it’s clearly earning its place in garages. But is it the right pump for your water problem? Let’s dig in.

What You Actually Get

The box contains the pump itself, a 20-foot discharge hose, a hose clamp, and a quick-start guide. The pump body is a compact cylinder roughly 9 inches tall and 8 inches across — small enough to fit into tight sump pits or the shallow end of an inflatable pool. The 1/3 horsepower motor is rated for 1,500 gallons per hour at a 10-foot lift, which is respectable for this class. The power cord is 10 feet, which matters more than you’d think — check your outlet distance before you buy.

Real-World Performance

This is where the MEDAS separates itself from the $35 no-name pumps. The vertical float switch is the standout feature. It activates at just 1.5 inches of water and shuts off cleanly, which means you’re not babysitting it while it drains a pool overnight. Multiple buyers describe setting it up and walking away — one reviewer wrote, “Drained my 14-foot Intex pool in about 5 hours while I slept. Woke up to a dry pool and a pump that had shut itself off.” That’s the experience you’re paying for.

For basement flooding, it handles murky water up to about 1/4-inch solids, but don’t push it. This isn’t a sewage ejector; it’s a clean-water utility pump. It’ll move rainwater with some silt, but large debris will clog the intake screen.

The motor runs hot after extended duty — that’s normal for a sealed submersible — and the thermal overload protection kicked in during one reviewer’s 6-hour continuous run, then reset after cooling. That’s a feature, not a bug, but it means you can’t run it nonstop for days.

Where It Falls Short

Honest talk: this pump leaves a film of water behind. Because the float switch sits above the base, it stops pulling water at roughly a half-inch depth. If you need to squeegee the last bit of water out of a pool liner or a basement floor, you’ll be on your hands and knees with a towel. A tethered float design would solve this, but it’s not what you get here.

The included hose is the second weak point. It’s flexible enough to coil for storage, but it kinks if you bend it sharply at the pump discharge. If you’re pumping out a long distance — say, 50 feet to a drainage ditch — pick up a reinforced hose. It’s a $15 fix that makes a meaningful difference.

Who Should Buy This

This pump is ideal for three specific buyers:

• Pool owners with above-ground or inflatable pools who want a set-and-forget drain solution
• Basement dwellers who need a reliable emergency backup for seepage, not full-scale flooding
• Garden pond keepers who do seasonal cleanouts and want something they can carry one-handed

Skip it if you need continuous heavy-duty pumping for construction, or if your water is full of debris. This is a consumer-grade tool, not an industrial one.

FAQ

Q: Can it run dry without burning out? The float switch prevents most dry runs by shutting off automatically, but don’t rely on it. If the switch gets stuck — which can happen with debris — the thermal overload will trip. It resets, but repeated dry running will shorten the motor’s life.

Q: Will it drain a 15-foot above-ground pool? Yes. At 1,500 GPH, a standard 3,000-gallon pool drains in about two hours at zero lift, longer if you’re pumping uphill. Factor in the half-inch residual water and plan to sponge out the bottom.

Q: Does it come with a garden hose adapter? No, but the discharge outlet is standard 1-inch NPT. A universal adapter from any hardware store will connect it to a garden hose if you need to route water further than the included hose reaches.

The Verdict

Buy it if you need a reliable, portable pump for pools, ponds, or occasional basement water — and you value auto shutoff over saving $20 on a cheaper model.

Skip it if you must remove every last drop of water, or you’re pumping heavy sediment. This is a solid utility pump, not a precision tool.

At 4.6 stars, the MEDAS does what it promises, and the float switch alone is worth the premium over generic alternatives. It’s not glamorous, but when your basement’s flooding at 2 AM, you’ll be glad it’s sitting on the shelf.

Rating: 4.6/5

Where to Buy

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Last updated: 2026-08-06. Ratings and prices current as of review date. Verify on Amazon before purchasing.