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Water Hardness in 49341

Rockford, Michigan · Kent County

174 PPM
10.2 GPG
Moderately Hard
0Soft60120180300+
Verified - Utility Reported

Dataset updated March 9, 2026Matched to 16 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 16 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
16 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 49341

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.

16 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.
Grand Rapids
MI0002790
Moderately Hard
160 PPMsurface water273,005 servedVerified - Utility Reported
Source water: 200 PPM
Wyoming
MI0007220
Hard
190 PPMsurface water72,125 servedHigh Confidence - USGS Monitoring
Plainfield Township
MI0005370
Hard
200 PPMsurface water42,271 servedHigh Confidence - USGS Monitoring
Byron-Gaines Utility Authority
MI0001023
Moderately Hard
165 PPMsurface water37,464 servedHigh Confidence - USGS Monitoring
Kentwood
MI0003620
Moderately Hard
165 PPMsurface water36,072 servedEstimated - Nearby Data
Showing the first 5 systems. Expand to review all matched systems.

Nearby Zip Codes

493061734931917249525173493011734932117349345173495051734934317348809253493261734883815049546173

What This Means For You

Use this ZIP reading as a local planning estimate, not a final treatment specification. Hardness can vary by utility zone, seasonal blend, private well, and building plumbing. Confirm your tap reading with a utility report or home hardness test before sizing equipment.

MethodologyData sourcesHow 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 Rockford, MI (49341).

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Frequently Asked Questions

Is the water hard in Rockford, MI (49341)?

The average water hardness in 49341 is 174 PPM (10.2 GPG), which is classified as moderately hard.

Do I need a water softener in 49341?

With hardness of 174 PPM, a water softener is worth considering for homes in 49341.

Is hard water in 49341 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 49341?

Zip code 49341 in Rockford, Michigan is served by 16 water systems.

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