Source: <https://mtnmanplumbing.com/gas-line-installation/utah-gas-utility-and-homeowner-responsibilities/>
Title: Utah gas utilities & homeowner responsibilities \| Mountain Man Plumbing
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## On this page

- [Gas words, in plain English No trade vocabulary needed.](<https://mtnmanplumbing.com/gas-line-installation/utah-gas-utility-and-homeowner-responsibilities/#gl-gas-words>)
- [Mountain Fuel. Questar.Dominion. Enbridge.](<https://mtnmanplumbing.com/gas-line-installation/utah-gas-utility-and-homeowner-responsibilities/#gas-learning-guide>)
- [Keep following the plumbing.](<https://mtnmanplumbing.com/gas-line-installation/utah-gas-utility-and-homeowner-responsibilities/#msn-title>)


- [Home](<https://mtnmanplumbing.com/?agentnet=md>)

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- [Gas line hub](<https://mtnmanplumbing.com/gas-line-installation/?agentnet=md>)

 /  Utility history & who owns what

**Suspect a gas leak?**

Leave immediately. From a safe place, call [911](<tel:911>) and [Enbridge Gas Utah: 1-800-767-1689](<tel:+18007671689>). Do not operate valves, switches, phones or vehicles in the affected area.

[Utility emergency instructions ↗](<https://www.enbridgegas.com/utwyid/report-gas-emergency>)

GAS LINE LEARNING LIBRARY / SALT LAKE VALLEY

# Utah gas utilities & homeowner responsibilities

Follow Utah’s gas utility name changes, find the right contact and learn who maintains the piping on each side of the meter.

[Try the interactive gas-system lessons ↗](<https://mtnmanplumbing.com/gas-line-installation/#gas-learning-lab>)

### Gas words, in plain English No trade vocabulary needed.

**Demand / load**

How much gas the equipment needs. An appliance label gives its fuel input in BTU per hour; add the relevant appliances when assessing a shared pipe.

**BTU/h / input rating**

British thermal units per hour: the rate of fuel energy going into an appliance. Heat output is what it delivers after losses, so use the **input** rating for gas-supply calculations.

**Flow / CFH**

How much gas passes a point over time. CFH means cubic feet per hour. A cubic foot is a volume, like a box one foot on each side.

**Pressure / pressure drop**

Pressure is the push on the gas. A pressure difference moves it along a pipe. The reduction in pressure along the route while gas flows is called pressure drop.

**Capacity**

How much gas a pipe, meter or other part can deliver at the specified pressure. The connected appliances determine how much capacity is needed.

**Branch / upstream / downstream**

A branch takes gas from a shared route to part of the system. Upstream means toward the supply; downstream means in the direction gas travels toward the appliances.

**Meter / regulator**

The meter measures gas use. A regulator controls pressure.

**Shutoff / sediment trap**

A shutoff is a valve that stops supply to a section. A sediment trap is a capped pocket arranged to catch debris before it reaches an appliance’s gas controls.

**Inlet / manifold**

The inlet is where gas enters an appliance. The manifold distributes it to the burners inside. Pressure requirements at these two places can differ.

**Combustion air / venting**

Combustion air is air needed to burn fuel. Venting carries the resulting exhaust away.

**Clearance / access**

Clearance is required space around equipment or piping. Access means being able to reach a part for inspection or service.

**Code / commissioning**

Code means installation rules adopted for the job’s location. Commissioning means checking and starting equipment according to its instructions, then confirming that it operates as required.

- [Work through an appliance change ↗](<https://mtnmanplumbing.com/gas-line-installation/gas-pressure-and-sizing/#gl-worked-examples>)

- [Read a real job through its photos ↗](<https://mtnmanplumbing.com/gas-line-installation/#gl-field-notes>)

UTAH UTILITY NAMES / A SHORT HISTORY

## Mountain Fuel. Questar. *Dominion. Enbridge.*

Utah homeowners have seen several names on their gas bills. Older inspection records and service stickers often use the name the utility had when the work was done.

1. ### Mountain Fuel → Questar Gas

   Mountain Fuel Supply Company became Questar Gas Company on January 1, 1998. [Utah Public Service Commission archived record](<https://pscdocs.utah.gov/gas/10docs/1005706/67675ExhibitA.pdf>).
2. ### The Dominion era

   Dominion completed its combination with Questar on September 16, 2016. This is the ownership change behind the Dominion name many Utah customers remember. [Company announcement archived by Utah PSC](<https://pscdocs.utah.gov/gas/16docs/1605701/289208QGCandDominionPressRelease9-16-2016.pdf>).
3. ### Enbridge Gas Utah

   Enbridge closed its acquisition of Questar Gas and Wexpro on May 31, 2024. Its announcement was released June 3. The current customer brand in Utah is Enbridge Gas Utah. [Enbridge acquisition announcement](<https://www.enbridge.com/media-center/news/details?id=123820&lang=en>); [company report confirming the May 31 closing date](<https://www.enbridge.com/media-center/news/details?id=123825>).

[How the service regulator controls pressure entering the house ↗](<https://mtnmanplumbing.com/gas-line-installation/gas-pressure-and-sizing/?agentnet=md>)

## Which side *of the meter?*

For a typical home served by Enbridge Gas Utah, the utility maintains its service line and meter. The homeowner maintains the piping after the meter, including lines to outbuildings, patios and other appliances. The utility can identify the ownership boundary at an unusual installation.

### Utility side

Questions about a new service, meter changes or utility-controlled restoration go through the utility’s process.

### Customer side

The owner arranges maintenance and repairs for house piping, appliance branches and private outdoor lines.

### Rental property

For a non-emergency repair or change, contact the property manager or owner to arrange the responsible contractor. A suspected leak still requires immediate evacuation and emergency reporting.

Responsibility reference: [Enbridge: Service You Can Count On](<https://www.enbridgegas.com/utwyid/start-stop-service/~/link.aspx?_id=B233C97A5BF74ED8A1F5A208335BA991&_z=z>).

## Utility markings *and private buried lines.*

Blue Stakes tells participating utility operators where digging is planned so they can mark the underground lines they own and maintain. Lines beyond the meter, or other privately installed utilities, may need a private locator—a separate service that finds privately owned underground lines. Tell the excavator about backyard gas lines, detached-building supplies and propane lines so those routes are included in the locating plan.

Request utility markings and arrange private locating before digging. Check the ticket responses and Blue Stakes timing rules so the planned excavation uses current markings.

[Blue Stakes: how locating works, including private lines](<https://www.bluestakes.org/how-it-works/>) · [Current locating questions and requirements](<https://www.bluestakes.org/faqs/>).

## Use the right contact *for the next step.*

### Suspected gas leak

Leave immediately. From a safe place call [911](<tel:911>) and [1-800-767-1689](<tel:+18007671689>) for Enbridge Gas Utah.

[Emergency instructions ↗](<https://www.enbridgegas.com/utwyid/report-gas-emergency>)

### Utility account or service

Enbridge Utah customer service: [1-800-323-5517](<tel:+18003235517>). For a new or changed supply, start with its construction-services information.

[Construction services ↗](<https://www.enbridgegas.com/utwyid/start-stop-service/construction-services>)

### Before excavation

Contact [811](<tel:811>) / Blue Stakes. Establish separately whether private utility locating is needed.

[Blue Stakes of Utah ↗](<https://www.bluestakes.org/>)

### Customer piping project

For a planned installation or a repair after the hazard is made safe, contact a gas-piping contractor to plan the work.

[Prepare details for Mountain Man ↗](<https://mtnmanplumbing.com/gas-line-installation/#gl-project-brief>)

Utility history and contact references checked September 8, 2026. Propane customers can find their supplier on the delivery invoice.

PUT THE INFORMATION TO WORK

## Tell us about *your project.*

Mountain Man Plumbing is based in Sandy and serves the Salt Lake Valley. Send the appliance model, where it will go and your timing. For a repair after a shutoff, include the utility or inspection notice.

- [Prepare my project details ↗](<https://mtnmanplumbing.com/gas-line-installation/#gl-project-brief>)

- [Call (385) 766-8935](<tel:+13857668935>)

KEEP LEARNING

## The rest of the gas system.

[Return to the gas line hub ↑](<https://mtnmanplumbing.com/gas-line-installation/?agentnet=md>)

### [Appliances & outdoor projects ↗](<https://mtnmanplumbing.com/gas-line-installation/appliance-connections/?agentnet=md>)

Plan gas connections for stoves, dryers, water heaters, furnaces, boilers, fireplaces, grills, pool heaters and generators in the Salt Lake Valley.

### [Repairs & service restoration ↗](<https://mtnmanplumbing.com/gas-line-installation/gas-line-repair-and-restoration/?agentnet=md>)

What happens after a gas leak is made safe: customer piping repairs, testing, inspections and coordination with Enbridge Gas Utah.

### [Pressure, demand & pipe sizing ↗](<https://mtnmanplumbing.com/gas-line-installation/gas-pressure-and-sizing/?agentnet=md>)

Learn what BTU per hour, gas pressure, inches of water column and shared pipe capacity mean—with worked examples and a pressure unit converter.

### [Steel, CSST & underground pipe ↗](<https://mtnmanplumbing.com/gas-line-installation/gas-pipe-materials/?agentnet=md>)

Understand black iron, CSST, appliance connectors and underground gas-rated polyethylene, including protection, bonding and material identification.

### [Cost, permits & project planning ↗](<https://mtnmanplumbing.com/gas-line-installation/installation-cost-and-planning/?agentnet=md>)

Understand what changes a gas line quote, how permits and utility work affect the schedule, and what to confirm before installation in the Salt Lake Valley.

Connected in your home

## Keep following the plumbing.

- [01 **Gas lines & appliance supply →** See the utility equipment and house piping in one cutaway.](<https://mtnmanplumbing.com/gas-line-installation/?agentnet=md>)
- [02 **Gas line repair & restoration →** Understand the work involved in repairing and restoring a gas line.](<https://mtnmanplumbing.com/gas-line-installation/gas-line-repair-and-restoration/?agentnet=md>)
- [03 **Gas pressure & pipe sizing →** Adding equipment can also call for a meter and supply review.](<https://mtnmanplumbing.com/gas-line-installation/gas-pressure-and-sizing/?agentnet=md>)

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