How deep is my well?
The fastest answer is your well's drilling record: most states filed one when the well was drilled, listing total depth, casing diameter, and the static water level. We look records up live in 19 states from just your address, and every state has an official records office you can search.
If no record exists, clues help: the well type sets the range (driven sand points run 25 to 75 feet, drilled bedrock wells commonly 150 to 350), and a neighbor on the same aquifer with a record is a fair proxy. Our typical-depths guide covers estimating honestly.
Depth matters for one big practical reason: with the static water level and diameter it gives the gallons of standing water, and gallons size every treatment the well will ever get.
Want the dose sized to your exact well?
We pull your well's dimensions from your state's official record and pack a chlorine dioxide kit to them, from $399.
Find my wellGo deeper