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Water Hardness in Middleville, MI

Michigan · 1 zip codes · 5 matched water systems

171 PPM
10 GPG
Moderately Hard
0Soft60120180300+
High Confidence — USGS Monitoring

Dataset updated March 9, 20265 matched water systems in the city rollupIndividual systems and ZIPs can differ. Methodology

Source context

How this city reading is built

This city reading is a weighted rollup across 5 matched water systems and 1 ZIP code. Citywide readings are useful for comparison, but individual utility zones and ZIPs can differ.

Source basis
5 USGS-backed sources
5 matched systems total for this city; USGS monitoring is used where treated-water reports are unavailable.
Water source profile
Primarily groundwater
Groundwater commonly picks up calcium and magnesium after contact with rock and soil. 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 in Middleville

These systems are matched to Middleville, MI. Citywide readings are useful for comparison, but the system serving a specific address may differ from the city average.

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.
Middleville
MI0004360
Moderately Hard
165 PPMgroundwater3,309 servedHigh Confidence — USGS Monitoring
Yankee Springs Township
MI0007231
Moderately Hard
165 PPMgroundwater660 servedHigh Confidence — USGS Monitoring
Thornapple Lake Estates
MI0040047
Hard
217 PPMgroundwater538 servedHigh Confidence — USGS Monitoring
Secord Lake Mhp
MI0040168
Moderately Hard
165 PPMgroundwater43 servedHigh Confidence — USGS Monitoring
Twin Pines Mobile Home Park
MI0040410
Moderately Hard
165 PPMgroundwater30 servedHigh Confidence — USGS Monitoring

Zip Codes in Middleville, MI

What This Means For You

Recommendations are based on the displayed hardness reading. Confirm your tap reading before sizing or buying treatment equipment.

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If you've tested your water or have your utility's CCR report, share your reading to help us improve accuracy for Middleville, MI.

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Frequently Asked Questions

How hard is the water in Middleville, MI?

The citywide weighted average water hardness in Middleville, MI is 171 PPM (10 GPG), classified as moderately hard. This is based on 5 matched water systems.

Do I need a water softener in Middleville, MI?

With a citywide average hardness of 171 PPM, a water softener is worth considering for homes in Middleville. Confirm your tap reading before sizing equipment.

Is hard water in Middleville, MI 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 Middleville, MI?

Middleville, Michigan is served by 5 matched water systems across 1 zip code.

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