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Water Hardness in 48750

Oscoda, Michigan · Iosco County

150 PPM
8.8 GPG
Moderately Hard
0Soft60120180300+
High Confidence — USGS Monitoring

Dataset updated March 9, 2026Matched to 3 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 3 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
3 USGS-backed sources
3 matched systems total for this ZIP; 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 Serving 48750

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.

3 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.
Oscoda Township
MI0005040
Moderately Hard
150 PPMsurface water6,997 servedHigh Confidence — USGS Monitoring
Au Sable Township
MI0000290
Moderately Hard
150 PPMsurface water2,370 servedHigh Confidence — USGS Monitoring
Hale Homestead Apartments
MI0002943
Moderately Hard
150 PPMgroundwater72 servedHigh Confidence — USGS Monitoring

Nearby Zip Codes

What This Means For You

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

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 Oscoda, MI (48750).

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Frequently Asked Questions

Is the water hard in Oscoda, MI (48750)?

The average water hardness in 48750 is 150 PPM (8.8 GPG), which is classified as moderately hard.

Do I need a water softener in 48750?

With hardness of 150 PPM, a water softener is worth considering for homes in 48750.

Is hard water in 48750 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 48750?

Zip code 48750 in Oscoda, Michigan is served by 3 water systems.

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