This spot has a water feature, make sure to review these guidelines for visiting spots with water before visiting: https://help.sniffspot.com/article/167-how-to-keep-your-dog-safe-around-pools-and-water. The water in pond is clean and safe. Small amount of dye is used for vegetation control and small amount of Copper sulphate is used in spring to control algae . We are careful not to add too much of chemicals because we have a healthy fish population and dogs of are own. The pond is aerated with a large fountain providing Oxygen to the pond. With out treatment pond is not desirable for swimming. Great care is taking to keep pond safe and clean. Please do not let your dog swim if you are overly concerned about the water. As we cannot do a water test every time.