10 Summer Water Safety Tips for Dogs

While retrievers and spaniels are biologically built for the water, top-heavy or short-nosed breeds (such as French Bulldogs, Pugs, Corgis, and Boxers) are built like stones. Their heavy muscle distribution and shortened airways make keeping their snout above water physically exhausting. Never force any dog into deep water—let them set the pace of their own comfort level.

Even elite canine swimmers can suffer from sudden fatigue, muscle cramps, or panic when swept up by a strong current. Invest in a high-density Personal Flotation Device (PFD) designed specifically for dogs. Choose a vest featuring highly visible colors, reflective trim, and most importantly, a heavy-duty rescue handle on the back so you can physically hoist them out of the water in an emergency.

When dogs fetch balls or bite at waves, they inadvertently swallow massive volumes of water. This excess water dilutes the sodium levels in their bloodstream, leading to a life-threatening condition called hyponatremia. Limit fetch sessions in the water to 10-minute intervals, and opt for flat, lightweight toys (like fabric discs) rather than heavy tennis balls, which force their mouths wide open as they swim.

Most swimming pool drownings occur not because a dog cannot swim, but because they tire out searching for a way to get out. If your dog is allowed in the pool, spend their first three sessions doing nothing but guiding them to the shallow steps. Place a highly visible landmark (like a large potted plant) near the stairs to give them a permanent visual cue from water level.

During hot summer spells, stagnant fresh water can rapidly develop blooms of toxic cyanobacteria (blue-green algae). Ingesting even a single lick of contaminated water or licking algae off their fur can cause acute, irreversible liver failure within hours. If the water looks like green pea soup, spilled paint, or has a thick scum layer on top, keep your dog on a tight leash.

Drinking saltwater or chlorinated pool water is a recipe for severe gastrointestinal distress. Saltwater ingestion pulls water from the bloodstream into the intestines, causing rapid dehydration, vomiting, and diarrhea ("beach diarrhea"). Keep a collapsible bowl and cold, fresh water readily available, offering it to your dog every 15 minutes to keep them from drinking from the lake or ocean.

Chlorine, pool chemicals, lake bacteria, and sea salt are highly caustic to a dog's skin and coat. Left unrinsed, these elements cause intense itching, hot spots, and chemical dry skin. Always thoroughly hose your dog down with clean, fresh water immediately after they exit a swimming area, paying special attention to their underarms, groin, and paw pads.

Dogs with floppy ears (like Spaniels or Poodles) easily trap moisture inside their deep, L-shaped ear canals, creating the perfect warm, dark environment for yeast and bacterial infections. After every swim, gently dry their ears using a clean cotton ball wrapped around your finger. For chronic sufferers, apply a vet-approved, drying ear-cleaning solution to evaporate trapped water deep in the canal.

Plunging a warm dog into a cold, fast-moving river can cause a painful condition known as "Limber Tail Syndrome" (acute caudal myopathy). The muscles at the base of the tail become severely strained, causing the tail to hang completely limp and lifeless. While it typically resolves with rest and vet-prescribed anti-inflammatories, you can prevent it by gradually introducing your dog to cold water temperatures.

In a worst-case near-drowning scenario, knowing what to do in the first 60 seconds before you reach an emergency clinic can save your dog's life. Familiarize yourself with basic canine CPR protocols, including how to safely clear water from their airway by holding small dogs upside down, or positioning larger dogs on their side with their head slightly lower than their chest.