Dogs around water

Walking beside water — even without swimming

Look for steep, unstable or collapsing banks, undercut edges, hidden drops, deep water beside the path, slippery rocks and vegetation concealing the edge. Mud, bog, submerged obstacles, debris, broken glass and fencing/wire can injure or trap a dog. Check where they could climb out before approaching.

A lead is sensible where recall is unreliable, wildlife may trigger a chase, the path is narrow or an edge is hazardous. Shorten it before exposed banks, railings with gaps, boat traffic or machinery, keeping enough control to prevent a sudden plunge. On a wide, secure path with good recall and no identified hazard, assess the situation rather than applying a permanent short-lead rule.

Waterfowl, rodents, livestock and other wildlife attract curious dogs. Avoid chasing, burrows, carcasses and dead fish. Give animals space and follow local restrictions. Recall and behaviour guidance · Wildlife and livestock precautions.

Evidence: PDSA: water safety · Dogs Trust: keeping dogs safe around water · RNLI: dogs by the water and rescue safety

Water infrastructure ahead? Put the lead on before you reach it.

Keep well back from weirs, locks, sluices, spillways, culverts, hydroelectric structures, water intakes, outfalls and reservoir structures. Calm surfaces can conceal powerful currents, recirculating water, suction or operating machinery. Do not let a dog investigate pipes, channels or fenced-off structures. Use marked routes and obey operator warnings.

Evidence: Canal & River Trust: locks, weirs and sluices · Dogs Trust: keeping dogs safe around water

High, fast or changing water

Heavy rainfall, flooding, upstream rain and upland snowmelt can raise rivers and burns rapidly, even where it is dry. Saturated banks may collapse. Choose a different route if water is high, fast or covering the path; do not test a flooded crossing with your dog.

Cold water, sudden depth changes, poor underwater visibility and difficult exits remain hazards on sunny days. Visual appearance alone cannot establish water safety. Check weather, local closures and tides before setting out.

Evidence: PDSA: water safety · Dogs Trust: keeping dogs safe around water · RNLI: dogs by the water and rescue safety

Can my dog drink this water?

Carry fresh drinking water and a bowl; offer it regularly. Untreated outdoor water is never guaranteed safe. Flowing upland burns can still receive contamination upstream. Natural brown peat colour alone does not mean water is infectious or toxic; clear water can also be contaminated.

If an occasional sip has already happened, stay calm and use the exposure guidance. Do not assume every sip causes illness.

Evidence: PDSA: water safety · PDSA: leptospirosis · MSD Veterinary Manual: Giardia and Cryptosporidium in dogs · Blue Cross: beach safety

Infection and contamination: what matters

Animal faeces, infected rodent or wildlife urine, livestock waste, sewage and agricultural run-off/slurry can contaminate water and wet ground. Keep away from carcasses and dead fish. Drinking and licking contaminated paws or fur can expose dogs; some infections can also enter through damaged skin or mucous membranes.

• Leptospirosis: bacteria associated with infected animal urine in water or soil; illness can damage the kidneys and liver. Discuss appropriate vaccination with your vet; it does not make contaminated water safe.
• Giardia and Cryptosporidium: intestinal parasites acquired through faecal contamination, including contaminated water. Diarrhoea may occur; puppies or dogs with other health problems may need prompt attention.
• Salmonella and other bacteria: faecally contaminated water or scavenged material can expose dogs to intestinal infections. Symptoms alone cannot identify the organism.

Wash hands after handling contaminated coats or cleaning diarrhoea; clean bowls and collect dog waste. Prevent further licking and rinse dirty coats with clean water. Ask your vet about testing if illness follows an outing; do not give antibiotics or human medicines yourself.

Evidence: PDSA: leptospirosis · MSD Veterinary Manual: Giardia and Cryptosporidium in dogs · MSD Veterinary Manual: gastrointestinal infections

Blue-green algae / cyanobacteria

Cyanobacteria are bacteria that can form blooms, especially in still or slow water such as ponds, lochs, sheltered lake shores and some streams. Some produce potent toxins. Warm weather increases the likelihood, but this is not solely a summer hazard.

Appearance varies: paint-like streaks, scum, flakes, clumps or unusual green, blue or brown discolouration may occur. Blooms can gather at the bank where dogs drink or sniff. You cannot reliably identify toxicity by sight, and no visible bloom does not guarantee safety.

Dogs may swallow toxins while drinking, swimming or licking contaminated fur. Keep them out of suspect water and away from shoreline deposits.

Suspected contact or ingestion

1. Move away and call a vet immediately, even if your dog seems well.
2. Prevent licking. Rinse affected fur with clean water if available, avoiding further exposure and without delaying care.
3. Tell the vet where and when exposure happened. A safe photograph may help; do not collect water or enter it.

Possible signs include vomiting, diarrhoea, drooling, twitching, seizures, breathing problems or collapse. Onset can be rapid. Do not induce vomiting or use home remedies.

Near You outdoor guidance helps with broad regional planning. Check notices at the actual waterbody and SEPA’s Scottish bathing-water notices. Monitoring covers selected locations and periods; it is not a complete map of dog-safe water or all algae blooms. Elsewhere in the UK, check the local council, park or water operator’s current notices.

Evidence: PDSA: blue-green algae poisoning · SEPA: bathing-water monitoring and its coverage

My dog wants to swim

A strong swimmer can still tire, become cold or struggle to escape. Only consider a brief, supervised swim where local rules permit, water quality is acceptable, conditions are calm, and there are gentle entry and exit points. Never force a dog in. A well-fitted dog buoyancy aid may help, but does not remove these risks.

Avoid currents, weirs, rough seas, very cold water, steep exits, uncertain depth, submerged objects and suspect water. Cold-water immersion can impair breathing and movement. Stop at signs of fatigue, slowing or struggling; bring them out only from a safe position.

Swallowing too much water

Repeated retrieves and prolonged water play can lead to excessive swallowing. Rare water intoxication dilutes blood sodium (hyponatraemia), and can become an emergency. Keep sessions short with breaks and stop repeated gulping. Vomiting, unusual lethargy, wobbliness, confusion or seizures after water play need urgent veterinary advice. Seawater ingestion can cause vomiting, diarrhoea and dangerous salt imbalance. Do not attempt to correct either with salt or forced water.

Evidence: PDSA: water safety · Dogs Trust: keeping dogs safe around water · PDSA: water intoxication · Blue Cross: beach safety

My dog has fallen in — what do I do?

1. Stay on safe ground. Do not enter fast-flowing, deep, icy or otherwise unsafe water, or step onto unstable banks or deep mud. Do not create another casualty.
2. Call your dog towards a safe, accessible exit if one is available. Keep yourself away from the edge; do not lean dangerously or follow them into hazards.
3. If rescue is needed, call 999 or 112. At the coast ask for the Coastguard; inland ask for the Fire and Rescue Service. Explain that a dog is in difficulty, whether anyone is at risk, and give the exact location. Follow the call handler’s instructions.
4. Once safely out, keep your dog warm and seek veterinary advice immediately after submersion, breathing difficulty, marked chilling or exhaustion. Coughing or changed breathing after rescue requires urgent care, even if they initially seem better.

If unresponsive or not breathing normally, call the emergency vet immediately and follow their first-aid instructions. Emergency and first-aid pathway · Veterinary help.

Evidence: RNLI: dogs by the water and rescue safety · PDSA: water safety · Scottish Fire and Rescue Service: dogs near water

Fishing hooks, line and discarded tackle

Watch for hooks, lures, bait and discarded line on banks and beaches. Keep dogs away from anglers’ equipment and bait; line can entangle limbs and swallowed tackle can cause serious injury.

If a hook is embedded or tackle/line may have been swallowed, contact a vet promptly. Prevent chewing or further swallowing if safe, but do not pull a hook or line from the mouth, skin or bottom, cut visible fishing line, or try to push a hook through. Do not induce vomiting. Avoid bites when a dog is painful and let the vet remove it.

Evidence: PDSA: harmful ingestion and swallowed objects · Vets Now: fishing-hook injuries

My dog drank outdoor water

Move away and offer normal access to fresh water; do not force drinking. Note the location, time, possible quantity and any scum, pollution, dead wildlife or heavy water swallowing.

Call immediately for suspected cyanobacteria, chemical/slurry contamination, substantial seawater ingestion or symptoms after excessive swallowing. Do not wait for symptoms after suspected toxin exposure. Ingestion first response.

After an incidental sip with no particular warning sign, monitor your dog and contact your vet if they become unwell. Infection may appear later; tell the vet about the outing rather than assuming the water was the cause.

Evidence: PDSA: blue-green algae poisoning · PDSA: leptospirosis · PDSA: water intoxication · Blue Cross: beach safety

My dog is unwell afterwards

Emergency: collapse, seizures, breathing difficulty, marked weakness, confusion or rapid deterioration — call an emergency vet now. Suspected algae poisoning needs immediate help even without symptoms.

Prompt vet advice: repeated vomiting, persistent diarrhoea, blood, reduced appetite, unusual tiredness, changed thirst/urination, yellow gums/eyes, or coughing after submersion. Seek help sooner for puppies, frail dogs or those with medical conditions. Symptoms can have many causes and this guide cannot diagnose them.

Health & Symptoms · Emergency guidance · Find a vet.

Evidence: PDSA: blue-green algae poisoning · PDSA: leptospirosis · MSD Veterinary Manual: Giardia and Cryptosporidium in dogs · PDSA: water intoxication

Seasonal checks

• Winter: keep off ice and frozen lochs/canals; snow can conceal edges. Plan for cold water and reduced daylight.
• Spring: watch for saturated banks, high flows and upland snowmelt.
• Summer: check algae warnings, provide drinking water, keep swims brief and watch boats and other water users.
• Autumn: heavy rain, flooding, slippery banks and leaves concealing drops can change a familiar route.

Evidence: PDSA: water safety · Dogs Trust: keeping dogs safe around water · PDSA: blue-green algae poisoning