Ontario water well records

1,022,416 public water well records from the Well Records dataset published by Government of Ontario, grouped by the municipality each record reports.

3,559 municipalities are named in the records. 3,011 records name no municipality; they are counted in the total above and are not listed below.

Municipalities, A to Z

#

A

B

C

D

E

F

G

H

I

J

K

L

M

N

O

P

Q

R

S

T

U

V

W

Y

Z

Every record, on the map

The WellAtlas Canada app shows each of these records on the map with its full details, and summarises the wells around any point you choose. The map and the records are free. Coming soon to the App Store and Google Play.

Source

Well Records — Government of Ontario, dataset version 2026a.3. Summarised on September 21, 2026.

Contains information licensed under the Open Government Licence – Ontario.

The records themselves are free. They can be obtained from the publishing government under its own licence, without WellAtlas and without payment.