Private-well buyer checklist

Well identity and records

• Well record, tag, permit, or construction report located
• Well location identified on the property
• Well type, depth, construction date, and reported yield recorded
• Abandoned or unused wells discussed
• Shared-well agreement reviewed, if applicable

Water testing

• Testing requirements confirmed with lender, insurer, local authority, or lawyer
• Certified laboratory and sampling instructions selected
• Sample location and treatment bypass questions resolved
• Recent reports reviewed with units, detection limits, and guideline values
• Follow-up testing or professional interpretation documented

Equipment and service

• Pump, pressure tank, controls, and visible lines identified
• Recent service invoices or contractor notes reviewed
• Treatment equipment, consumables, alarms, and maintenance schedule recorded
• Power-outage and low-yield history discussed
• Signs of leaks, corrosion, damage, or unsafe access referred for inspection

Property context

• Septic location and records reviewed separately
• Drainage, flooding, runoff, and nearby land-use concerns discussed
• Seasonal changes, vacant periods, or water-hauling history disclosed
• Closing conditions assign responsibility for testing and repairs

Notes

Related guides: Buying a house with a private well and How to read a test report.