Looking for well water testing in St. Henry, OH? Describe your project once and up to three water testing pros who work in St. Henry and Mercer County get back to you with a quote. It's free and there is no obligation.
St. Henry is home to about 2,608 people (2024 Census Bureau estimate), a stable community (+0.3% since 2020). With 1,512 people per sq mi, it is a suburban area. Homes on private wells here are responsible for their own water quality.
St. Henry at a glance
- Population (Census Bureau estimate, 2024)
- 2,608 (+0.3% since 2020)
- Rank in Ohio
- 356th of 923 cities and towns
- Land area
- 1.7 sq mi
- Population density
- 1,512 people per sq mi (suburban)
- Type
- Village (St. Henry village)
- Main county
- Mercer County
What to check before hiring in St. Henry
- Certified lab: in Ohio, use a lab certified by the state for drinking water.
- Lender panel: ask your lender which tests and who must take the sample.
- Local concerns: the health department knows local issues such as arsenic, nitrates or PFAS.
- Price drivers: the panel, the sampling visit and rush results.
Useful official resources
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EPA: private wells
Official information and guidance.
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EPA: protect your home's water
Official information and guidance.
Services available in St. Henry
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Well water test for a sale or loan
Sampling and lab analysis for the panel a lender or buyer requires.
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Comprehensive water testing
Broad panel for bacteria, nitrates, metals, PFAS and other contaminants.
Frequently asked questions in St. Henry
How much does well water testing cost in St. Henry, OH?
It depends on the panel and whether sampling is included. Describe your needs: pros who serve St. Henry reply with a quote.
How long do results take?
Bacteria results often in a few days; full panels longer.
Is my water safe to drink meanwhile?
If in doubt, use bottled water until you have the results.
Which water testing pros will contact me?
Up to three independent water testing pros who serve St. Henry and the surrounding area, chosen for the service you need. Your details are shared only with your consent.
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2024) and Gazetteer Files (public domain), imported on 10/31/2026. Figures describe the incorporated place or county as published; they are shown for information only.