Cold Water Inlet Temperature (° F) Location Avg. Locations Location Avg. This is because most consumers complain about tap water at 19°C or higher. Date Samples Limits Detectable Results Microbiological Parameters. The "How hot is your tap water?" The water treatment and supply system is […] We chose a 77 degree rise as a baseline for winter water temperatures that a tankless owner in Toronto or surrounding area would experience. The aesthetic objective for water temperature in the Guidelines for Canadian Drinking Water Quality is 15°C. These mixing valves should be set to allow a hot water temperature of 49°C (120°F). Viruses can survive considerably longer than bacteria at low temperatures, and survival times of up to six months have been reported for poliovirus in tap water at low temperature. Drinking Water Analysis Summary for All Plants and Distribution for January 01 to December 31, 2018. Set the temperature of your water heater to 49°C (120°F) to prevent the growth of harmful bacteria such as Legionella. Subscribe "Eventually the water (in the lake) will get down to 33 degrees Fahrenheit," he said. I would guess the water temperature is about as cold as the water is in the reservoir or ground-water … The intensity of taste is greatest for water at room temperature and is significantly reduced by chilling or heating the water. Footnote 22 However, an epidemio-logical study of infectious hepatitis in 13 U.S. cities showed no correlation between infection rate and raw water temperature. There is no normal tap water temperature. The tap water here is appreciably warmer in summer than winter. Toronto residents and businesses are fortunate to have access to high quality tap water that is safe to drink and strictly regulated. Toronto Water collects, treats and distributes more than one billion litres of quality drinking water annually to Toronto as well as portions of southern York Region. The temperature can vary significantly from other water sources, such as underground sources. I don't think they change the temperature much or at all when it comes through the pipes. If the water that comes out of your tap is too hot, you can install valves in the plumbing lines to reduce the temperature of the water delivered at the tap by mixing in cooler water. Cold Water Inlet Temperature (° F) Anchorage, AK 38.6 Boston, MA 59.3 Rochester, NY 57.0 Birmingham, AL 71.7 Baltimore, MD 56.8 Rome, NY 51.3 Montgomery, AL Units AO/OG MAC/IMAC Sampling Number of Reporting Number of Max. Another option is to install anti-scald devices at individual taps; they slow the water to a trickle if it gets too hot. Min. Cold Water Inlet Temperatures for Selected U.S. Avg. We also included the stats for a 35 degree rise which is more common for summer water temperatures in Ontario. Hundreds of thousands of Canadians could be consuming tap water laced with high levels of lead leaching from aging infrastructure and plumbing. If get your water from a well, the temperature will be average ground temperature for your area. Hundreds of people from Tottenham, a community an hour northwest of Toronto, gathered in a gymnasium in April, seeking answers from town officials about their drinking water… Here is a chart for the US. Prevent scalding by installing automatic mixing valves on faucets, showers, and tubs, or an anti-scald mixing valve on your water heater. Cold Water Inlet Temperature (° F) Location Avg. campaign asks Toronto parents to test the temperature hot water coming out of their faucet.