Diligence · Glossary
Water Well
Updated 2026-07-20
A private well is a groundwater source serving a parcel. Yield, quality, and setbacks from septic systems are site-specific and usually require well logs and testing.
What it means
A private well is a groundwater source serving a parcel. Yield, quality, and setbacks from septic systems are site-specific and usually require well logs and testing.
Why it matters for land decisions
Confirm how the concept applies to your specific parcel with the city or county planning department and the controlling agency map or ordinance.
- Treat online GIS as a first-pass screen.
- Verify before design, escrow, or lending decisions.
People also ask
What is Water Well?
A private well is a groundwater source serving a parcel. Yield, quality, and setbacks from septic systems are site-specific and usually require well logs and testing.
Is a GIS overlay enough to decide?
No. Public GIS is a screening tool. Official determinations come from the governing agency, recorded documents, and licensed professionals when required.
Official sources
Related terms
Check this on a California parcel
Parcel View screens zoning, flood, fire, soils, and planning layers for any California lot — every finding linked to the official source.