St. George and Washington County
Plumbing
Drains, sewers, water heaters, water treatment, leaks and gas. If it carries water or gas through the house, it is on this page.
40 kinds of work below. Prices go on this page as each one is set, and never before. Read our Plain Terms

Drains and sewers
Clogged drain, one fixture
One line cleared through an existing cleanout.
Main line backup
The whole house is backing up. Main sewer line cabled through the cleanout.
Hydro jetting
High-pressure jetting of the main line back to bare pipe.
Sewer camera inspection
A camera run of the main line with a recording you keep.
Sewer cleanout installation
A two-way cleanout at the lateral so the next visit is cheaper.
Root cutting and removal
Mechanical cutting or jetting of roots in the line.
Water heaters
Water heater replacement, gas
40 or 50 gallon, installed with code upgrades, permit and haul away.
Water heater replacement, electric
Unit, install, permit and haul away.
Heat pump water heater
Hybrid unit, condensate, permit and haul away.
Tankless install or conversion
Unit, gas line upsize, venting and condensate.
Tankless like-for-like swap
Replacing an existing tankless where the gas and vent already suit it.
Water heater flush and annual service
The service that keeps the warranty alive on our water.
Tankless descaling
Descale the heat exchanger. On 18 to 22 grain water this is not optional.
Expansion tank install
Tank, tee, mounting and pressure set.
Recirculation pump
Hot water at the far tap without the wait.
Water treatment
Water softener, installed
Unit, install, bypass, drain and brine line.
Softener sized for 20+ grains
Larger or twin-tank capacity for the hardness we actually have.
Salt-free conditioner
Conditioner installed, no drain and no brine.
Reverse osmosis, under sink
RO unit, faucet, drain saddle and install.
Whole-home carbon and sediment filtration
Carbon and sediment stages with a bypass.
Softener and RO together
Both systems installed on one visit.
RO filter replacement
Filter set change, sanitize and test.
Why treatment comes up on every St. George water heater job
18–22grains per gallon, the City of St. George’s own softener setting.
The City of St. George’s Water Distribution Division tells residents to set a softener to 18 grains per gallon, and no higher than 22. That is the utility’s own number, not a softener salesman’s.
Every major tankless water heater maker publishes a hardness limit, and all of them stop at 200 milligrams per litre, about 12 grains. St. George runs 18 to 22. Most of these are exclusions on scale damage rather than a blanket void, though Noritz says the warranty becomes null and void. Said plainly: a tankless heater on untreated water here is an uninsured heat exchanger. Softened water runs at 0 to 1 grain, which clears every limit in the table.
| Manufacturer | Limit |
|---|---|
| Rinnai | 11.7 |
| Rheem RTGH | 11.7 |
| Navien | 12 |
| Noritz | 12 |

Repairs and leaks
Toilet replacement
Remove the old, set the new, new wax ring and supply line.
Kitchen faucet replacement
Out with the old, in with the new, supply lines included.
Garbage disposal replacement
Unit swapped and tested on the existing circuit.
Outdoor spigot replacement
Hose bib replaced, frost-safe where it needs to be.
Water pressure too high
Pressure tested and the reducing valve replaced or set.
Leak detection
Finding the leak under the slab before anyone breaks concrete.
Slab leak repair
Repair or reroute once the leak is located.
Whole-home repipe
New water lines through the house, wall repair coordinated.
Gas line install and repair
New runs, resizing for tankless, and leak testing.
Bath and kitchen
Tub-to-shower conversion
The tub comes out and a shower you can step into goes in. Prefab or custom tile.
Full bathroom remodel
The whole room, plumbing and finish, one crew.
Half bath or powder room refresh
Fixtures, vanity and floor, paint-ready.
Fixture and valve replacement
Shower valves, cartridges and trim, including the ones scale has eaten.
Bathroom exhaust fan
Fan, duct to the outside, switch or humidistat.
Trenchless and pipe replacement
Sewer lining, no digging
Clean, camera, line and cure the existing lateral in place.
Pipe bursting
Burst the old lateral and pull a new one through, two pits instead of a trench.
Sewer line replacement
Open trench replacement where lining will not hold.
Sewer spot repair
One break, excavated and repaired.
Read before you decide
Your backflow test notice, explained
St. George requires an approved assembly on every outside watering system, protected from freezing, and tested every year. Here is what that device does.
A pipe broke in the wall of your condo. Who pays?
Utah Code § 57-8-7.2 draws the line at the finished surface. Everything behind it is common area, and a pipe gets sorted by how many units it serves.
What St. George water does to a water heater
The city says set your softener to 18 grains. The tankless makers stop at 200 mg/L. The warranty documents, quoted, and what to do about it.
A heat pump water heater in a 110 degree garage
The usual objection to a heat pump water heater is that it chills the room it sits in. Here that is the feature, and the real questions are different.
Hydro jetting or a cable? What each one actually does
A cable punches a hole through the blockage. A jetter scours the pipe wall. They are different jobs, and on some pipe a jetter is the wrong tool entirely.
Look up your property's hazards in the county's own maps
Washington County publishes 24 free hazard map layers built on Utah Geological Survey Special Study 127. How to read them, and what each means for your pipes.
Grey pipe, 1978 to the mid-90s: how to tell, and what to do
Polybutylene is grey, flexible, and stamped PB2110. Washington County's housing stock is not old enough for clay sewers and is exactly the right age for this.
Radon in a slab-on-grade house
Washington County sits in the EPA's middle radon band. That predicts nothing about your house. A test does, and it costs almost nothing.
Closing up a St. George second home for the summer
Everyone writes about winterizing. Here the house sits empty through 100 degree heat and monsoon season, with the irrigation running for nobody. That is the risk worth planning for.
Slab leaks in a slab-on-grade house, and where your main shutoff is
A warm spot on the floor, a bill that jumped, water you can hear with everything off. How the leak gets found, and what to settle before anyone cuts.
Why your relief valve drips, and then stops
A relief valve that weeps for a few minutes and then quits is almost never a bad valve. It is thermal expansion in a closed system, and it has a fix.
Why a sewer replacement costs more here
The national trenchless market runs on old pipe. St. George mostly has young pipe in bad ground. That changes which method applies, and it is the reason the number is higher.
Why your water heater has to be strapped here
Utah requires your water heater to be anchored, everywhere in the state. St. George's own design criteria show why it matters more here.
The quote is the number. There is no second number.
7 a.m. to 5 p.m., weekdays. Emergency calls answered any hour, every day.