Water Treatment Co.Dallas-Fort Worth
Collin County · North Texas Municipal Water District

How hard is the water in Plano?

We size and install water softeners, whole house filtration and drinking water systems for Plano homes. District water here is very hard at about 11.8 grains and chloramine treated, so scale and taste are both live. One price for the system your home actually needs.

Hardness · PLANOCITY DATA
11.8 grains

Very hard

Soft11.8 grains15 grains
Who supplies itNorth Texas Municipal Water District
Where it comes fromLavon Lake
Treatment plantWylie
HardnessUp to 202 mg/L
Direct answer

How hard is Plano water?

Almost always. District water in Plano runs about 11.8 grains per gallon, which is very hard on the USGS scale and enough to shorten appliance life. The question is capacity rather than whether, so we size from your measured reading rather than the district average. See <a href="/service-areas/plano/water-softener/">water softeners in Plano</a>.

The published data

Plano’s water, measure by measure.

A softener quoted for 20 grains in a house running at 11.8 costs more up front and regenerates more often than the water calls for, every week, for as long as you own it. That’s the practical reason we work from the district’s own numbers, then confirm it with a reading at your tap before anything is sized. The difference isn’t academic. It shows up in the purchase price and in the salt.

Two storey brick home on a tree lined street in a Plano neighborhood we serve
Who supplies it
North Texas Municipal Water District

Treated water sold wholesale to Plano.

Where it comes from
Lavon Lake

With Texoma, Jim Chapman, Tawakoni and Bois d’Arc behind it.

Treatment plant
Wylie

Surface water, treated before it reaches the city.

Hardness
Up to 202 mg/L

About 11.8 grains per gallon using the district’s own conversion, divide by 17.12.

Disinfectant
Chloramine

Switched to free chlorine for about a month each year.

On the USGS scale
Very hard

Anything above 10.5 grains per gallon is very hard.

What is different here
Older homes, longer exposure

Plano housing predates the others, so scale has had years to build inside pipe and water heaters.

Where this comes from

Every number here is published by someone.

These figures come from the city or district that treats the water, and we name the report so you can read it yourself.

Provenance
Sourcentmwd.com
SupplierNorth Texas Municipal Water District
CountyCollin County
From the data to your tap

What this means for your house in Plano.

A Consumer Confidence Report describes water leaving a plant or averaged across a distribution system, not water arriving at your address. The free test closes that gap in about twenty minutes.

Technician testing water at a kitchen tap with a service kit open on the counter
Do Plano homes need a water softener?

Almost always. District water in Plano runs about 11.8 grains per gallon, which is very hard on the USGS scale and enough to shorten appliance life. The question is capacity rather than whether, so we size from your measured reading rather than the district average. See water softeners in Plano.

What water treatment do most Plano homes end up with?

A softener for the scale and catalytic filtration for the chloramine, often fitted together. Plano is chloramine treated with one month a year on free chlorine, so taste and smell are a year-round question rather than a seasonal one. Drinking water treatment at the kitchen tap is a separate, smaller decision.

Does a softener fix the taste of Plano water?

No. A softener addresses calcium and magnesium only, so scale and spotting improve but taste and smell do not. Those come from the disinfectant, and removing them needs whole house filtration in Plano with media rated for chloramine.

How long does installation take in Plano?

About half a day for whole house work, with the water off for two to three hours. Plano homes commonly take a softener and catalytic filtration together, and fitting both in one visit is faster than booking them separately.

What does a system cost in Plano?

It depends on capacity and on which systems you fit, so we quote one price for the whole job after a reading rather than a standard size. Our DFW softener cost guide sets out what actually drives the number. Quotes are free and carry no obligation.

Can a system be sized to my own water rather than a city average?

Yes, and that is the point of measuring first. Capacity is priced by grains, so the figure we size from should be the one at your address. A valve programmed to your measured hardness regenerates on use, which keeps salt consumption tracking your household rather than a factory timer.

Where can I read Plano’s own water report?

The source we work from is published at ntmwd.com. That is the source for the figures on this page.

Plano · Collin County

Get your own Plano reading.

We size to your home rather than the district average, so the system fits your house rather than to a rounded up number.

Two storey brick home on a tree lined street in a Plano neighborhood we serve
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