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Water Hardness in Long Lake, MI

Michigan · 1 zip codes · 1 matched water system

242 PPM
14.2 GPG
Hard
0Soft60120180300+
Verified — Utility Reported

City avg (weighted): 242 PPM

Dataset updated March 9, 20261 matched water system in the city rollupIndividual systems and ZIPs can differ. Methodology

System used for this reading
Flint, City Of
MI0002310
Water source: surface water
Serves: 81,252
USGS environmental estimate: 240 PPM
Source context

How this city reading is built

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

Source basis
1 verified treated-water source
1 matched system total for this city; treated-water reports are prioritized when available.
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 Long Lake

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

1 water system
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.
Flint, City Of
MI0002310
Hard
242 PPMsurface water81,252 servedVerified — Utility Reported
Source water: 240 PPM

Zip Codes in Long Lake, 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 Long Lake, MI.

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Frequently Asked Questions

How hard is the water in Long Lake, MI?

The citywide weighted average water hardness in Long Lake, MI is 242 PPM (14.2 GPG), classified as hard. This is based on 1 matched water system.

Do I need a water softener in Long Lake, MI?

With a citywide average hardness of 242 PPM, a water softener is recommended for homes in Long Lake. Confirm your tap reading before sizing equipment.

Is hard water in Long Lake, 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 Long Lake, MI?

Long Lake, Michigan is served by 1 matched water system across 1 zip code.

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