If a water heater in Tigard, OR is leaking, close the cold supply valve above the heater, turn off its breaker or set the gas control to off, and contain the water. If you smell gas, leave and call NW Natural or 911 from outside. If the water is coming from the relief valve, do not cap it; that valve is releasing excess pressure or heat, which in Tigard often traces to high street pressure or a failed expansion tank.
First steps
- Gas smell: leave, then call from outside.
- Close the cold supply at the heater. If it fails, close the main, often in the garage or at a street-side box.
- Breaker off or gas control off.
- Contain water with towels and a wet/dry vacuum.
Relief-valve discharge in high-pressure homes
Tigard's slopes put some homes in high-pressure zones. With a pressure-reducing valve and a dead expansion tank, heated water has nowhere to go and the relief valve opens. If the heater is off and cool and the valve still drips, the valve itself may be worn. Either way, leave the discharge pipe open and have pressure, the expansion tank, and the valve checked.
Split-level leak paths
In split-level homes, a heater on the lower level can leak under a wall into a family room. Lift carpet edges and move furniture. Water follows the slab toward low spots, so check adjacent rooms.
Finding the source
With water and energy off, dry the heater and watch. Fitting, drain valve, and relief-valve leaks are repairs; see water heater repair in Tigard. A wet tank shell means water heater replacement in Tigard.
Draining
If the base is leaking, drain the tank through a hose to a floor drain or outdoors downhill from the house, with a hot tap open to let air in. The water is very hot at first.
Documentation
Photograph the rating plate, the leak source, and damage. Note the time.
Tigard resources
Permits are generally required for replacement and gas or vent changes; see the Oregon Building Codes Division. Local contacts start at the City of Tigard. Verify contractors with the Oregon CCB search. NW Natural's rebates and offers hub links to safety information.
Prevention
Install a pressure gauge on a hose bib and check it twice a year. Keep the expansion tank charged. Add a leak alarm or automatic shutoff near the heater.
On a day out at Cook Family Park or Dirksen Nature Park, an automatic shutoff is what stops a leak you are not home to see.
Shutoff locations in Tigard homes
In split-levels, the heater's supply valve is usually in the lower-level utility room and the main shutoff is often in the garage or at a box near the street. Label both today.
Living with a water heater in Tigard
Tigard sits southwest of Portland, crossed by Highway 217 and Interstate 5, with Fanno Creek running through its lower neighborhoods and Bull Mountain rising to the west. That change in elevation matters for plumbing: homes low in a pressure zone can see high street pressure, and many houses have pressure-reducing valves that make the plumbing a closed system. High pressure and failed expansion tanks are therefore common reasons for relief-valve drips and stressed fittings here. Housing ranges from 1960s and 1970s ranches and split-levels near the highway corridors to larger hillside homes from the 1990s and 2000s and newer townhomes near the town center. Much of Tigard's water now comes through the Lake Oswego Tigard Water Partnership from the Clackamas River, which is relatively soft. Damp winters, split-level utility rooms with tight access, and pressure are the local factors that shape most Tigard water heater decisions.
The emergency order of operations in Tigard
- Gas odor ruled out first, with everyone outside and the utility called if present
- Cold supply valve closed, then house main if the supply valve fails
- Breaker off or gas control set to off before the tank drains
- Leak source traced to fitting, relief valve, drain valve, or tank shell
- Relief valve left uncapped and the heater allowed to cool
- Photos taken of the rating plate, leak source, and any damage
- Next step chosen: part repair, temporary shutdown, or replacement
An emergency card for Tigard homes
Keep a short emergency card near the heater in Tigard homes: where the cold supply valve is, where the house main shutoff is, which breaker feeds an electric tank, and how to turn a gas control to off. Add NW Natural's emergency instructions for gas odor and the reminder to call from outside. A flashlight, towels, a bucket, and a garden hose stored nearby turn a frightening leak into a contained one. Test that the supply valve actually turns before the day you need it.
Tigard at a glance
- Location: Tigard, Oregon, about 15–25 minutes southwest of central Portland on I-5.
- Local landmarks used on this page: Cook Family Park, Dirksen Nature Park.
- City information and building contacts: City of Tigard.
- State permit rules: Oregon Building Codes Division.
- Utilities: PGE or another electric utility and NW Natural gas serve most addresses; incentives are listed by Energy Trust of Oregon.
- Nearby city page: Tualatin.
- Map: the map on this page shows Tigard, Oregon at city level, not a business address.
Related pages
For gas tanks that leaked near the burner, see gas water heater repair in Tigard. The Tigard overview lists every page, the metro version is emergency water heater repair in Portland, and Tualatin's emergency page is nearby.