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Water Hardness in 48640

Midland, Michigan · Midland County

141 PPM
8.2 GPG
Moderately Hard
0Soft60120180300+
High Confidence — USGS Monitoring

Dataset updated March 9, 2026Matched to 5 water systemsTap readings can vary by utility zone, treatment, and plumbing. Methodology

Source context

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.

Source basis
1 USGS-backed source
5 matched systems total for this ZIP; USGS monitoring is used where treated-water reports are unavailable.
Water source profile
Primarily surface water
Surface-water hardness can shift with reservoirs, runoff, season, and treatment. This profile is weighted by known population served across matched systems.
Data recency
March 9, 2026
Dataset rebuilt March 9, 2026; individual utility reporting years can vary.

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 48640

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.

5 water systems
PWSID is the public water system identifier. Data Source shows whether the hardness value comes from a treated-water report, USGS monitoring, or a local estimate; source year is shown when available.
Midland, City Of
MI0004370
Moderately Hard
140 PPMsurface water42,547 servedEstimated — Nearby Data
Midland Co., Water Dist. No. 1 Of
MI0004375
Moderately Hard
140 PPMsurface water11,000 servedHigh Confidence — USGS Monitoring
Homer Township
MI0003223
Moderately Hard
140 PPMsurface water3,097 servedEstimated — Nearby Data
Midland Charter Township
MI0004377
Moderately Hard
140 PPMsurface water1,348 servedEstimated — Nearby Data
Yoder Apartments
MI0007235
Very Hard
769 PPMgroundwater90 servedEstimated — Nearby Data

Nearby Zip Codes

What This Means For You

Recommendations are based on the displayed ZIP hardness reading. Confirm your tap reading before sizing or buying treatment 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 Midland, MI (48640).

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Frequently Asked Questions

Is the water hard in Midland, MI (48640)?

The average water hardness in 48640 is 141 PPM (8.2 GPG), which is classified as moderately hard.

Do I need a water softener in 48640?

With hardness of 141 PPM, a water softener is worth considering for homes in 48640.

Is hard water in 48640 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 48640?

Zip code 48640 in Midland, Michigan is served by 5 water systems.

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