Looking for well water testing in Otterville, IL? Describe your project once and up to three water testing pros who work in Otterville and Jersey County get back to you with a quote. It's free and there is no obligation.
Otterville is home to about 83 people (2024 Census Bureau estimate), a shrinking community (−3.5% since 2020). With 82 people per sq mi, it is a rural area. Homes on private wells here are responsible for their own water quality.
Otterville at a glance
- Population (Census Bureau estimate, 2024)
- 83 (−3.5% since 2020)
- Rank in Illinois
- 1,253rd of 1,294 cities and towns
- Land area
- 1.0 sq mi
- Population density
- 82 people per sq mi (rural)
- Type
- Town (Otterville town)
- Main county
- Jersey County
What to check before hiring in Otterville
- Certified lab: in Illinois, 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 Otterville
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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 Otterville
How much does well water testing cost in Otterville, IL?
It depends on the panel and whether sampling is included. Describe your needs: pros who serve Otterville 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 Otterville 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.