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Pennsylvania Water Hardness Map

Published: February 1, 2026

Understanding Water Hardness in Pennsylvania

Water hardness in Pennsylvania can vary across different regions of the state though is only relatively hard on average. Hard water is characterized by high levels (at least 7 GPG) of minerals, such as calcium and magnesium. Although these minerals are generally not harmful to your health, they can lead to various issues around your home if present in excessive amounts.

What Common Problems are Caused by Hard Water in Pennsylvania?

Hard water in Pennsylvania cities can cause the following home issues:

  1. Difficulty in getting your laundry clean: Hard water can make it especially challenging to remove stains and achieve optimal cleanliness when doing your laundry.
  2. Spots on glassware and dishes: Hard water often leaves unsightly spots and streaks on glassware, dishes, and silverware, making them appear less clean and affecting their overall aesthetic.
  3. Build-up and blockages in plumbing fixtures and pipes: Over time, the accumulation of minerals from hard water can lead to the formation of deposits inside your plumbing system. This build-up can restrict the flow of water, reduce water pressure, and even cause blockages.
  4. Hair Damage: Hard water leads to mineral buildup on the hair shaft, disrupts the scalp potentially causing hair loss and weighs the hair down resulting in a greasy appearance and feel to your hair.
  5. Skin Problems: Those with sensitive skin may experience skin issues such as eczema or psoriasis when exposed to hard water.

Pennsylvania Water Hardness by City

To better understand the water quality and hardness levels in your specific area of Pennsylvania, you can refer to the Pennsylvania Water Hardness Map. This list provides comprehensive information on water hardness across various regions of the state, enabling you to assess the quality of your local water supply.

Looking for additional state water hardness data? Explore more water hardness reports:

Water Hardness Chart
Pennsylvania Hardness Chart Mobile

A-C

  • Allentown: 13gpg
  • Bethlehem: 1gpg
  • Carlisle: 9.8gpg
  • Chambersburg: 0.5gpg

D-I

  • Easton: 2.6gpg
  • Hanover: 17.1gpg
  • Harrisburg: 8gpg

J-R

  • Lancaster: 9.5gpg
  • Murrysville: 4.8gpg
  • Philadelphia: 7.3gpg
  • Phoenixville: 8.2gpg
  • Pittsburgh: 7.6gpg
  • Reading: 7.5gpg

S-Z

  • Scranton: 6.4-26.3gpg
  • York: 5.2gpg

How do I Treat Hard Water in PA?

If you’re facing issues with hard water in your Pennsylvania home, there are several effective solutions available to help you address the problem. Consider the following recommendations:

  1. Water Softeners: A water softener is a device designed to remove minerals from your water supply, resulting in softer and more manageable water. By utilizing ion exchange technology, water softeners replace calcium and magnesium ions with sodium or potassium ions, reducing water hardness.
  2. Reverse Osmosis Systems: Installing a reverse osmosis system can effectively remove impurities and minerals from your water source. This filtration system uses a process of semi-permeable membranes to eliminate contaminants, providing you with healthier, better-tasting water for drinking and cooking.
  3. Water Softener Salt: Using water softener salt can aid in the removal of hard water minerals. This type of salt facilitates the regeneration process in water softeners, ensuring efficient removal of minerals and helping to extend the lifespan of your appliances and plumbing fixtures.
  4. Culligan Water Cooler: Consider investing in a Culligan Water Cooler for your Pennsylvania home. With a Culligan water cooler, you can enjoy clean, refreshing water that is ideal for drinking, keeping everyone in your household hydrated and energized throughout the day.

Treating Water Hardness in Your State

Water Coolers

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Water Softeners

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Drinking Water Systems

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Soft Water Benefits You and Your Home

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Salt-Free Alternatives

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Culligan can help

If you’re experiencing hard water issues or issues with your water quality, Culligan can provide the perfect solution for you. Our team of experts can help you determine the best water treatment system for your home or business and provide expert installation and maintenance services. Contact us today to learn more!