Hayes Plumbing offers water heater repair in Uxbridge for homes in town and in hamlets such as Leaskdale, Goodwood, Zephyr, Sandford and Siloam. Our licensed plumbers drive up from 448 Ritson Rd. South in Oshawa, 40 to 50 minutes away, so a few details on the phone are useful: whether the heater runs on gas or electricity, roughly how old it is, and whether there is water on the floor. We replace elements, thermostats and valves, flush out sediment, and install new tanks when a repair is no longer worth it. You get the price in writing before we start.
Town Wells and Private Wells
In the Uxbridge urban area, the Region of Durham supplies water from three municipal wells in town, drilled to depths of roughly 58 to 77 metres. It is treated before it reaches you, including iron sequestering with sodium silicate and disinfection. The Region lists the system's hardness at 186 mg/L, about half again as hard as the 125 mg/L Lake Ontario supply in the lakeshore towns.
Beyond town, the Region says many rural residents rely on private wells and septic systems. As one example, the Township's Official Plan describes existing development in the hamlet of Coppins Corners as individually serviced with private wells and sewage disposal systems. A heater on a private well gets whatever the well delivers, and according to the Region, groundwater usually carries more hardness minerals than surface water.
Scale, Sediment and Flushing
In a tank, hardness minerals drop to the bottom and build into a sediment layer, the cause of that rumbling as the burner or element runs and of a heater that holds less hot water over the years. In a tankless unit they crust the heat exchanger instead. Our flushing guide treats a yearly flush as a reasonable default for a tank on municipal water, and our tankless maintenance guide says a well or an unusually hard supply may call for descaling every six to eight months. A softener slows the build-up. The Region treats one as optional on its own water, and if you are considering a softener, we test the hardness first so it is sized for your water.
Hot Water That Smells of Rotten Eggs
The Region's well manual explains that sulphur bacteria in groundwater produce hydrogen sulphide, the gas behind a rotten egg smell. If only the hot taps smell, the source may be the water heater rather than the well. Public health guidance on well water describes two ways a tank can make the gas: its warm interior can host sulphur bacteria, and the anode rod, usually magnesium, can help turn sulphate in the water into hydrogen sulphide.
To narrow it down, wait until the water has sat unused for a few hours, then run the hot and cold taps separately and compare. A smell from the hot side only points to the heater, and we can inspect the anode rod and talk through options such as an anode of a different metal, which may reduce the odour while still protecting the tank. If the cold water smells too, the problem starts in the well, and the Region's advice is to look into any change in odour and consider having the water tested.
Shock Chlorinating a Well With a Water Heater
Wells are sometimes shock chlorinated, for example when a test finds total coliforms but no E. coli, or after the well has been opened for repairs. The water heater is part of that job: the Region's private well manual, adapted from provincial agriculture ministry guidance, tells owners to drain the hot water heater and let it refill with chlorinated water, then take a new bacteria sample three to four days later, once the chlorine has been flushed out of the system.
If the tank's drain valve is old or stiff, call us before you start rather than forcing it, since a valve that won't close again on a full tank is a real leak risk. You can pick up free sample bottles for the Region's bacteria test at the Township's Municipal Office, 51 Toronto Street.
Water Heater Installation in Uxbridge
The Township of Uxbridge requires a permit for plumbing additions and alterations, and does not require one to replace plumbing fixtures as long as the location stays the same and no plumbing is altered. Neither list mentions water heaters. If the replacement is going in a different spot, involves changes to pipes or venting, or swaps a tank for a tankless unit, check with the Building Division at building@uxbridge.ca or 905-852-9181 (Monday to Friday, 8:30 a.m. to 4:30 p.m.) before you set a date.
For budgeting, the installed ranges in our hot water tank replacement article are $1,200 to $3,500 for a standard 40 to 60 gallon tank, $1,800 to $3,800 for power-vent and $3,000 to $6,000 for tankless. The water heater installation row in our 2026 Oshawa plumbing cost guide reads $500 to $1,500, for tank or tankless, depending on model and installation complexity. Repairs are quoted after diagnosis. On a rural property, make sure the green and white 911 address sign the Township requires at your road entrance is easy to see: it helps emergency crews find you, and it helps a plumber coming from Oshawa find the right laneway.

