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Water Hardness in 48433

Flushing, Michigan · Genesee County

226 PPM
13.2 GPG
Hard
0Soft60120180300+
Verified — Utility Reported

Dataset updated March 9, 2026Matched to 8 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 8 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 verified treated-water source
8 matched systems total for this ZIP; 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 Serving 48433

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.

8 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.
Flint, City Of
MI0002310
Hard
242 PPMsurface water81,252 servedVerified — Utility Reported
Source water: 240 PPM
Genesee County Water System
MI0002615
Hard
240 PPMsurface water73,726 servedHigh Confidence — USGS Monitoring
Burton, City Of
MI0001010
Moderately Hard
120 PPMsurface water21,000 servedHigh Confidence — USGS Monitoring
Charter Township Of Grand Blanc
MI0002745
Hard
240 PPMsurface water21,000 servedEstimated — County Avg
Fenton, City Of
MI0002270
Hard
185 PPMgroundwater11,746 servedHigh Confidence — USGS Monitoring
Showing the first 5 systems. Expand to review all matched systems.

Nearby Zip Codes

485322264850422648460275484572264844922648505226485032264845822648502226484732264881728448420226

What This Means For You

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

Hard Water - Treatment Recommended

Your water is hard. Scale buildup is likely affecting your plumbing and appliances, reducing their lifespan and efficiency. A water softener is recommended to protect your home.

Recommended Products

Salt-Based Water Softener
Our PickAFWFilters Fleck 5600SXT 48KAlso GreatWhirlpool WHES40E 40KAlso GreatAFWFilters 64K GrainAlso GreatAFWFilters Iron Pro 2 64KAlso GreatSpringWell Filter + Softener Combo
Salt-Free Water Conditioner
Our PickSpringWell Salt-Free Cartridge
Water Hardness Test Kit
Our PickVarify (150 Strips)Also GreatJNW Direct (150 Strips)
Shower Head Filter
Our PickWeddell DuoAlso GreatAquaBliss SF100Also GreatSprite Pure 7-SettingAlso GreatAqua Earth 20-Stage
Water Softener Salt
Our PickMorton Clean & ProtectAlso GreatDiamond Crystal Bright & Soft

Learn more: Do I Need a Water Softener? | Salt-Based vs Salt-Free | Size Calculator | How to Test Your Water

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 Flushing, MI (48433).

Submit Your Data

Frequently Asked Questions

Is the water hard in Flushing, MI (48433)?

The average water hardness in 48433 is 226 PPM (13.2 GPG), which is classified as hard.

Do I need a water softener in 48433?

With hardness of 226 PPM, a water softener is recommended for homes in 48433.

Is hard water in 48433 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 48433?

Zip code 48433 in Flushing, Michigan is served by 8 water systems.

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