Water Hardness in 49264
Onondaga, Michigan · Ingham County
Dataset updated March 9, 2026Matched to 5 water systemsTap readings can vary by utility zone, treatment, and plumbing. Methodology
How this ZIP reading is built
This ZIP reading is built from 5 matched water systems. When more than one system is matched, the displayed value is weighted toward larger known service populations when that data is available.
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 Serving 49264
These are the systems matched to this ZIP code. The displayed ZIP value is weighted toward larger known service populations when population data is available.
| Water System | Source | Hardness | Pop. Served |
|---|---|---|---|
| Lansing Board Of Water & Light MI0003760 | groundwater | 97 PPM Slightly HardUSGS estimate: 395 PPM | |
| East Lansing, City Of MI0001990 | groundwater | 128 PPM Moderately HardUSGS estimate: 435 PPM | |
| Meridian Township MI0004260 | groundwater | 435 PPM Very Hard | |
| Michigan State University MI0004340 | groundwater | 435 PPM Very Hard | |
| Highfields Youth Camp MI0003134 | groundwater | 390 PPM Very Hard |
Nearby Zip Codes
What This Means For You
Use this ZIP 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 Onondaga, MI (49264).
Frequently Asked Questions
Is the water hard in Onondaga, MI (49264)?
The average water hardness in 49264 is 156 PPM (9.1 GPG), which is classified as moderately hard.
Do I need a water softener in 49264?
With hardness of 156 PPM, a water softener is worth considering for homes in 49264.
Is hard water in 49264 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 49264?
Zip code 49264 in Onondaga, Michigan is served by 5 water systems.
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