What is Hard Water

What is Hard Water?

What is Hard Water

What is hard water and where does it come from?

Let’s start with what is hard water? Have you ever washed your hands but could not get a good lather going? Well, you just ran your first hard water test! Traditionally water hardness is measured by how well water and soap react together. You need more hard water to lather up that soap.


What is in hard water?

It isn’t one thing that makes water hard but a variety of metallic ions, most commonly calcium and magnesium. Now for the really dry stuff. Hard water is measured in milligrams of calcium carbonate per liter. Water with less than 60mg of calcium carbonate is considered “soft” and measurements of 250 mg/L are outside the Federal limit for “hard” water.

What is Hard Water in Oklahoma?

Hard water starts with groundwater. As water flows over and through the ground, it picks up minerals and deposits.

In 2007, 1,814,762 acre-feet of water was used by Oklahomans (from the Oklahoma Comprehensive Water Plan). Wouldn’t you know, over 56% of this water came from surface water which goes toward most of our public water supply.


Is Hard Water safe?

While there is no evidence that hard water causes health problems, there is plenty showing the damage it does to our homes and appliances. As water flows through our pipes into washing machines, dishwashers and through shower heads, the suspended metallic ions attach themselves to surfaces. Over time, build up blocks pipes, slows water flow and breaks appliances. It also makes it hard to get the soap out of clothes and takes a bit more rinsing in the shower.

Fun Facts – Oklahoma Has:

  • Roughly 55,646 miles of shoreline along lakes and ponds.
  • About 1,401 square miles of water area across its lakes and ponds.
  • Around 167,600 miles of rivers/streams.
  • The longest river is Beaver/North Canadian River (752 miles)
  • The 2nd longest river is the Red River (570 miles).
  • The largest lake in surface area is Eufaula (105,000 acres).
  • 2nd largest in surface area is Lake Texoma (88,000 acres).

What to do?

Fortunately, there are solutions. Water filters and soft water systems have come a long way over the years. They are not only smaller and more efficient but costs have come down as well. We’ve answered the question “What is Hard Water” but that only scratches the surface. Feel free to reach out to us if you have any hard water questions. Call us at 405-915-9990.

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