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My dog drank dirty pond water. What sickness signs should I watch for?

Updated On September 23rd, 2025

Pet's info: Dog | Mixed Breed Medium (23 - 60lb) | Female | spayed | 36 lbs

I took Willow to the park and let her off leash and she got a sip of the dirty pond water. The water is green and ducks and turtles live in it. I am worried that she will get sick or get some type of bug from it. What are the things is should be worried about and what signs should I look for or pay attention to flake sure she is ok? Thank you

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Answered By Dr. Dayna, DVM, CVA

Veterinarian, Certified Veterinary Acupuncturist

Published on September 15th, 2017

Great question! Dogs can get sick from drinking pond water, but not as often as you would think. Giardia is a one celled parasite that can cause diarrhea. Also, bacterial infections such as leptospirosis are present in some areas of the country. I would recommend calling your local veterinarian as they are likely well versed in the problems they see in your area. If Willow acts sick, vomits, has diarrhea, or won't eat then have her evaluated right away. I hope this was helpful! .

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    Answered By Rodrigo Roca, DVM

    Veterinarian

    Published on November 19th, 2017

    Hello, sorry to hear about the incident. He should be ok, big signs to look for is any onset of vomiting, diarrhea, decreased appetite, or sudden changes in water consumption. If you note any of these then you should have him evaluated by your veterinarian. The common diseases that reside in standing water include giardia and lepto. Hope this helps and best of luck.

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