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Water Hardness in Bowling Green, OH

Ohio · 1 zip codes · 11 matched water systems

198 PPM
11.6 GPG
Hard
0Soft60120180300+
High Confidence — USGS Monitoring

Dataset updated March 9, 202611 matched water systems in the city rollupIndividual systems and ZIPs can differ. Methodology

Source context

How this city reading is built

This city reading is a weighted rollup across 11 matched water systems and 1 ZIP code. Citywide readings are useful for comparison, but individual utility zones and ZIPs can differ.

Source basis
11 USGS-backed sources
11 matched systems total for this city; 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 in Bowling Green

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

11 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
Northwestern W And Sd - Oregon Wtln 200
OH8704203
Hard
198 PPMsurface water9,629 servedHigh Confidence — USGS Monitoring
Northwestern W And Sd - Portage
OH8704103
Hard
198 PPMsurface water4,776 servedHigh Confidence — USGS Monitoring
Showing the first 5 systems. Expand to review all matched systems.

Zip Codes in Bowling Green, OH

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 Bowling Green, OH.

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Frequently Asked Questions

How hard is the water in Bowling Green, OH?

The citywide weighted average water hardness in Bowling Green, OH is 198 PPM (11.6 GPG), classified as hard. This is based on 11 matched water systems.

Do I need a water softener in Bowling Green, OH?

With a citywide average hardness of 198 PPM, a water softener is recommended for homes in Bowling Green. Confirm your tap reading before sizing equipment.

Is hard water in Bowling Green, OH 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 Bowling Green, OH?

Bowling Green, Ohio is served by 11 matched water systems across 1 zip code.

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