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Water Hardness in 45872

North Baltimore, Ohio · Wood County

205 PPM
12 GPG
Hard
0Soft60120180300+
High Confidence - USGS Monitoring

Dataset updated March 9, 2026Matched to 4 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 4 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
4 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 45872

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.

4 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.
Bowling Green City
OH8700311
Hard
198 PPMsurface water31,578 servedHigh Confidence - USGS Monitoring
Perrysburg City
OH8701803
Hard
198 PPMsurface water27,000 servedHigh Confidence - USGS Monitoring
Northwestern W And Sd - Toledo Svc
OH8752812
Hard
198 PPMsurface water19,758 servedHigh Confidence - USGS Monitoring
North Baltimore Village
OH8701611
Very Hard
375 PPMsurface water3,432 servedEstimated - Nearby Data

Nearby Zip Codes

458893754341319843529198434371984346219844817198458583754351119843451198448043754346719843541198

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 North Baltimore, OH (45872).

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Frequently Asked Questions

Is the water hard in North Baltimore, OH (45872)?

The average water hardness in 45872 is 205 PPM (12 GPG), which is classified as hard.

Do I need a water softener in 45872?

With hardness of 205 PPM, a water softener is recommended for homes in 45872.

Is hard water in 45872 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 45872?

Zip code 45872 in North Baltimore, Ohio is served by 4 water systems.

Learn More About Your Water

How to Test Water Hardness at Home

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Water Hardness Scale: PPM and GPG Chart

Use the USGS water hardness scale to compare PPM, GPG, and mg/L levels from soft to very hard water.

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Well Water Hardness: Why It's Usually Hard & How to Treat It

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