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Water Hardness in South Haven, MI

Michigan · 1 zip codes · 6 matched water systems

183 PPM
10.7 GPG
Hard
0Soft60120180300+
High Confidence — USGS Monitoring

Dataset updated March 9, 20266 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 6 matched water systems and 1 ZIP code. Citywide readings are useful for comparison, but individual utility zones and ZIPs can differ.

Source basis
6 USGS-backed sources
6 matched systems total for this city; 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 in South Haven

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

6 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.
South Haven Area Water & Sewer Authority
MI0006101
Hard
183 PPMsurface water9,133 servedHigh Confidence — USGS Monitoring
Mitchell Brothers Mobile Home Park
MI0040606
Hard
183 PPMgroundwater122 servedHigh Confidence — USGS Monitoring
Glenn Haven Shores
MI0002655
Hard
183 PPMgroundwater100 servedHigh Confidence — USGS Monitoring
Riverfront Condos Of Niles
MI0004095
Hard
183 PPMgroundwater90 servedHigh Confidence — USGS Monitoring
Meadow Woods N/R Center
MI0060675
Hard
183 PPMgroundwater78 servedHigh Confidence — USGS Monitoring
Showing the first 5 systems. Expand to review all matched systems.

Zip Codes in South Haven, 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 South Haven, MI.

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Frequently Asked Questions

How hard is the water in South Haven, MI?

The citywide weighted average water hardness in South Haven, MI is 183 PPM (10.7 GPG), classified as hard. This is based on 6 matched water systems.

Do I need a water softener in South Haven, MI?

With a citywide average hardness of 183 PPM, a water softener is recommended for homes in South Haven. Confirm your tap reading before sizing equipment.

Is hard water in South Haven, 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 South Haven, MI?

South Haven, Michigan is served by 6 matched water systems across 1 zip code.

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