Water Hardness in Mc Gaw Park, IL
Illinois · 1 zip codes · 24 matched water systems
City avg (weighted): 149 PPM
Dataset updated March 9, 202624 matched water systems in the city rollupIndividual systems and ZIPs can differ. Methodology
Is Mc Gaw Park, IL Water Hard or Soft?
The displayed hardness for Mc Gaw Park, IL is 148 PPM (8.7 GPG) from Waukegan, classified as moderately hard. The citywide weighted average is 149 PPM.
Water hardness is not a drinking-water safety score. It measures calcium and magnesium minerals, and address-level results can shift by pressure zone, supply blend, building plumbing, or private well.
How this city reading is built
This city reading is a weighted rollup across 24 matched water systems and 1 ZIP code. Citywide readings are useful for comparison, but individual utility zones and ZIPs can differ.
Hardness is a mineral-content reading, not a drinking-water safety rating. Use it for scale, appliance, and softener decisions; check your utility report or test your tap before sizing treatment equipment. See how we calculate local readings.
Water Systems in Mc Gaw Park
These systems are matched to Mc Gaw Park, IL. Citywide readings are useful for comparison, but the system serving a specific address may differ from the city average.
| Water System | Source | Hardness | Pop. Served |
|---|---|---|---|
| Waukegan IL0971900 | surface water | 148 PPM Moderately HardUSGS estimate: 207 PPM | |
| Vernon Hills - Lake Co Pw IL0971750 | surface water | 148 PPM Moderately HardUSGS estimate: 227 PPM | |
| Mundelein IL0971150 | surface water | 148 PPM Moderately HardUSGS estimate: 227 PPM | |
| Gurnee IL0970350 | surface water | 148 PPM Moderately HardUSGS estimate: 227 PPM | |
| Highland Park IL0970500 | surface water | 148 PPM Moderately HardUSGS estimate: 207 PPM |
Zip Codes in Mc Gaw Park, IL
What This Means For You
Use this city reading as a local planning estimate, not a final treatment specification. Hardness can vary by utility zone, seasonal blend, private well, and building plumbing. Confirm your tap reading with a utility report or home hardness test before sizing equipment.
Know your water hardness?
If you've tested your water or have your utility's CCR report, share your reading to help us improve accuracy for Mc Gaw Park, IL.
Frequently Asked Questions
How hard is the water in Mc Gaw Park, IL?
The citywide weighted average water hardness in Mc Gaw Park, IL is 149 PPM (8.7 GPG), classified as moderately hard. This is based on 24 matched water systems. The gauge highlights Waukegan, a verified treated-water system, because individual systems can differ from the citywide average.
Do I need a water softener in Mc Gaw Park, IL?
With a citywide average hardness of 149 PPM, a water softener is worth considering for homes in Mc Gaw Park. Confirm your tap reading before sizing equipment.
Is hard water in Mc Gaw Park, IL safe to drink?
Water hardness itself is a mineral-content reading, not a drinking-water safety rating. Calcium and magnesium are naturally occurring minerals, but you should check your utility's Consumer Confidence Report for contaminant and compliance information.
How many water systems serve Mc Gaw Park, IL?
Mc Gaw Park, Illinois is served by 24 matched water systems across 1 zip code.
Learn More About Your Water
How to Test Water Hardness at Home
Compare free lookups, soap tests, test strips, liquid drop kits, and lab tests for measuring water hardness.
8 min readHard Water vs Soft Water: Key Differences
Compare hard water and soft water by minerals, taste, soap lather, skin, hair, plumbing, and treatment needs.
10 min readPPM to GPG Converter + Water Hardness Scale Explained
Convert between PPM and GPG instantly. Understand the USGS water hardness scale and what your numbers mean for your home.
5 min read