As it turns out, a garden hose left outside in the hot sun can contain superheated water.
One possibility is that the hoses have been exposed to sunlight, heating the water inside.
Shade and Cover: Whenever possible, keep your hoses in shaded areas or use hose reel carts with covers to shield them from direct sunlight.
Garden hoses are not designed for drinking water. The chemicals added to make the vinyl flexible can leach and be toxic.
The water temperature can be up to 60°C for short periods. In continuous use, however, the water temperature should not exceed 35°C.
Much like the water we swim in, the cold or hot water from a garden hose is not designed for human consumption. A recent study from the Ecology Center in Ann Arbor, M.I., reported that garden hoses can be loaded with hazardous toxic materials.
If you forget to disconnect your hose before temperatures begin to drop, your hose can freeze, and suddenly you have ice in the spigot and pipes inside your home. Left unattended, the frozen water can continue to expand until it bursts the supply pipe leading to the spigot itself.
Hose water often contains higher levels of minerals such as calcium and magnesium. This is because it hasn't been filtered like tap water has. While these minerals aren't necessarily harmful, they can cause problems if you have hard water in your home.
Garden Hose Filter
Carbon and catalytic carbon cartridges can be used for chlorine & chloramine removal for gardening and drinking water.
Don't let water build up in the hose
Leaving water in the hose can cause problems with unwanted bacteria in the interior funnel of the hose.
Best Garden Hose for Hot Water
The MAXLite™ 50' 5/8" Hot Water Rubber+™ Hose was made for those jobs that require the use of hot water. This hot water rubber hose features Hose Armour patented technology that will keep your hose from kinking near the spigot.
Flexzilla Pro Reusable Fittings include bend reinforcement to reduce wear and tear, prolonging the life of the hose. Drinking water safe.
Wrap the Hose in Heat Tape
If you have no professional demands, or if you don't think that buying a heated hose is necessary, you can DIY your hose's heating system using heat tape. Wrapping the heat tape around your hose ensures that everything that is meant to be warm will stay warm.
The easiest is probably to install what's called a “recirculating system.” These work by taking some of the water from your home's hot water tank and circulating it through the hot outdoor faucet plumbing. That way, when you turn on the hot outdoor faucet, the water is already warm.
The short answer: No. “While using your hose to water plants, fill water balloons or run your sprinkler are all great ideas, many don't meet the safety standards required for drinking water,” the City of Cleveland Water Division says on its website.
Camco 50' Heated Water Hose for RV — Prevents Freezing Down to -20° — Certified For Drinking Water & Lead-Free — Great for Campers, Livestock, Agriculture, Kennels, etc.
Plus, garden hoses are usually left outside in unsanitary conditions, making them susceptible to bacteria and insects. For these reasons, it's usually not a good idea to drink water from a garden hose or an outdoor faucet. However, there are faucets and garden hoses that are safe to drink from if properly maintained.
Plumbing and water heaters may harbor amoeba including Naegleria fowleri. Neti pots or nasal rinsing with unboiled tap water has caused the infection. Hose water on a slip-and-slide toy has also caused disease. Swallowing contaminated water does not cause this brain-eating infection.
This raises the question, “do garden hoses need to be filtered?” That depends on the use you have for the water and what your city puts into the supply. In some regions, chemicals, like chlorine, are added to the local water.
Good shower hoses are drinking water-certified.
If we could only make one recommendation, we would advise you: Get a shower hose that's drinking water-safe.
Animal experts have been advising against pets drinking from hoses for several years. This includes humans and pets alike. Hoses can contain lead and other toxins, depending on what the hose is made of and what type of fittings it uses.
Overall, limits and regulations set by the EPA exist to ensure our tap water sources are safe to drink.
It's important to disconnect garden hose in summer to prevent it from fusing to spigot this winter. It is summertime, and it is dry, which means you are using your hose a lot. It also means it is important to disconnect that hose from the spigot and any watering nozzles to prevent them from fusing.
Typically, a good-quality garden hose can last anywhere from 5 to 10 years. These hoses are usually exposed to the elements, dealing with heat, UV rays, and sometimes, freezing conditions, which all can impact their longevity.