Data and sources

WellAtlas adds one government dataset at a time. A province or territory shows as covered only once its dataset has actually been imported.

Coverage today

What has actually been imported, as of 8 October 2026
Province or territoryStatusRecordsDataset version
OntarioFull direct dataset1,022,4162026a
AlbertaFull direct dataset453,7122026-09-26
British ColumbiaFull direct dataset133,0802026-10-06
ManitobaPlanned——
New BrunswickNo public dataset——
Newfoundland and LabradorPlanned——
Northwest TerritoriesNo public dataset——
Nova ScotiaPlanned——
NunavutNo public dataset——
Prince Edward IslandFull direct dataset31,3602026-05-27
QuebecPlanned——
SaskatchewanFull direct dataset148,5982026-10-29
YukonFull direct dataset3,2442026-10-07

Ontario was last imported on 18 September 2026 from dataset version 2026a. Alberta was last imported on 30 September 2026 from dataset version 2026-09-26, the date the file was retrieved. British Columbia was last imported on 6 October 2026 from dataset version 2026-10-06, the date of the nightly export. Prince Edward Island was last imported on 8 October 2026 from dataset version 2026-05-27, the date the publisher last edited the table. Saskatchewan was last imported on 29 October 2026 from dataset version 2026-10-29, the date the live layer was read. Yukon was last imported on 8 October 2026 from dataset version 2026-10-07, the date of the publisher's file. Coming soon means work has started; Planned means it has not. Neither is a delivery date. No public dataset means the government does not release its well records as a dataset: New Brunswick offers a search form only and has declined to provide a copy; the Northwest Territories and Nunavut publish none.

Browse Ontario's well records by municipality

Browse Yukon's well records by municipality

Where the Ontario records come from

Dataset
Well Records / Registres de puits
Publisher
Government of Ontario — Ministry of the Environment, Conservation and Parks
Release
2026a
Catalogue record
https://data.ontario.ca/dataset/well-records
Licence
Open Government Licence – Ontario
Refresh
Twice a year, labelled 2026a, 2026b, and so on

Contains information licensed under the Open Government Licence – Ontario.

The licence lets anyone copy, adapt and redistribute these records, including commercially, on one condition: that the attribution above is shown. It is shown on every well record in the apps, and here. The licence is granted by the Government of Ontario to everyone, not to us — if you want the records themselves, take them from the catalogue link above under that same licence. You do not need our permission.

What is removed before the records reach the app

Public does not mean republishable. These columns are dropped during import, not hidden in the interface, so they never reach a server the apps talk to:

Coordinates, lot and concession and municipality are kept. Ontario publishes the same coordinates on its own public map, the record describes a structure rather than a person, and no name survives the import to join a coordinate to.

Known limitations

The publisher's own use limitation, quoted from the dataset's metadata record:

There are inaccuracies in terms of location and other information. Some of the inaccuracies are inherited directly from the person who completed and submitted the well record. Inaccuracies may also be introduced during data entry.

What the import measured, from the source review of release 2026a:

Found something wrong in a record?

WellAtlas does not edit government records, so a correction has to be made at the source. If a record is wrong, report it to the Government of Ontario through the dataset's catalogue page; corrections reach the app with the next dataset release. If the app is showing a record differently from the source, that is ours — tell us.

Where the Alberta records come from

Dataset
Alberta Water Well Information Database (AWWID)
Publisher
Government of Alberta — Environment and Protected Areas, Groundwater Information Centre
Release
2026-09-26, the date the file was retrieved
Catalogue record
https://open.alberta.ca/dataset/alberta-water-well-information-database
Licence
Open Government Licence – Alberta
Refresh
Rebuilt daily by the publisher; each copy WellAtlas imports is labelled with the date it was retrieved

Contains information licensed under the Open Government Licence – Alberta.

The publisher also offers a citation for the database, which we give with the date our copy was retrieved:

Government of Alberta, Alberta Water Well Information Database. Retrieved 2026-09-26, from http://groundwater.alberta.ca/WaterWells/d/

The licence lets anyone copy, adapt and redistribute these records, including commercially, on one condition: that the attribution above is shown. It is shown on every well record in the apps, and here. The licence is granted by the Government of Alberta to everyone, not to us — if you want the records themselves, take them from the catalogue link above under that same licence. You do not need our permission. The publisher confirmed in writing on 29 September 2026 that the database download is published under this licence, commercial use included.

What is removed before the Alberta records reach the app

Alberta's download is not a redacted release: it includes names and addresses. These are dropped during import, not hidden in the interface, so they never reach a server the apps talk to:

Coordinates, legal land descriptions (legal subdivision, section, township, range and meridian, or lot, block and plan), the well tag number and construction details are kept. Alberta publishes the same coordinates on its own public map and searches by the same land descriptions in its own application, the record describes a structure rather than a person, and no name survives the import to join a coordinate to.

Known limitations of the Alberta records

The publisher's own caution, quoted from the database's download page:

Data provided through this website are preliminary in nature. This data may not have been reviewed or edited for accuracy and may be subject to significant change when reviewed or corrected.

What the import measured, from the source review of release 2026-09-26:

Found something wrong in an Alberta record?

WellAtlas does not edit government records, so a correction has to be made at the source. If a record is wrong, report it to the Government of Alberta's Groundwater Information Centre, whose contact details are on the database's catalogue page; corrections reach the app when a later daily rebuild is imported. If the app is showing a record differently from the source, that is ours — tell us.

Where the British Columbia records come from

Dataset
Groundwater Wells and Aquifers (GWELLS)
Publisher
Province of British Columbia — Ministry of Water, Land and Resource Stewardship
Release
2026-10-06, the date of the nightly export
Catalogue record
https://catalogue.data.gov.bc.ca/dataset/groundwater-wells
Application
https://apps.nrs.gov.bc.ca/gwells/
Licence
Open Government Licence – British Columbia
Refresh
Rebuilt nightly by the publisher; each copy WellAtlas imports is labelled with the date of the export

Contains information licensed under the Open Government Licence – British Columbia.

The licence lets anyone copy, adapt and redistribute these records, including commercially, on one condition: that the attribution above is shown. It is shown on every well record in the apps, and here. The licence is granted by the Province of British Columbia to everyone, not to us — if you want the records themselves, take them from the catalogue record or the application above under that same licence. You do not need our permission. The ministry confirmed in writing on 6 October 2026 that the export WellAtlas imports is covered by this licence, in answer to a question that named redistribution in a commercial application.

What is removed before the British Columbia records reach the app

The export carries no owner names, but it does carry addresses, other people's names and free text. These are dropped during import, not hidden in the interface, so they never reach a server the apps talk to:

Coordinates, the town, the legal description (lot, plan, district lot, block, section, township, range and land district), the parcel identifier (PID), the well tag and identification plate numbers and the dates are kept. The Province publishes the same data in its own GWELLS application, and the coordinates also in its licensed catalogue layer; GWELLS's own search takes a PID; the record describes a structure rather than a person; and no name survives the import to join a coordinate to. Keeping the PID was an explicit decision of the source review: it is the most direct link from a well to a land-title record, but that link already exists in the Province's own publication. Town values that hold a postal code or an e-mail address are dropped whole.

Known limitations of the British Columbia records

The publisher's own caution, quoted from the statistics file in the export:

The Groundwater Wells and Aquifers application may not include all groundwater wells as registration with the Province was voluntary until February 2016.

What the import measured, from the source review of release 2026-10-06:

Found something wrong in a British Columbia record?

WellAtlas does not edit government records, so a correction has to be made at the source. If a record is wrong, report it to the Province of British Columbia through the contact given in the GWELLS application or on the catalogue record; corrections reach the app when a later nightly export is imported. If the app is showing a record differently from the source, that is ours — tell us.

Where the Prince Edward Island records come from

Dataset
OD0040 Water Well Records (the catalogue gives the title in English only)
Publisher
Government of Prince Edward Island
Release
2026-05-27, the date the publisher last edited the table's data
Catalogue record
https://data.princeedwardisland.ca/datasets/48e7e4de6ab84efaa610bd26d89eac55/about
Licence
Open Government Licence – Prince Edward Island
Refresh
Not stated by the publisher, which replaces the whole table when it edits it; each copy WellAtlas imports is labelled with the date of that edit

Contains information licensed under the Open Government Licence – Prince Edward Island.

The licence lets anyone copy, adapt and redistribute these records, including commercially, on one condition: that the attribution above is shown, with a link to the licence where possible. It is shown on every well record in the apps, and here. The publisher gives no attribution statement of its own for this dataset, so the licence's default sentence is used. The licence is granted by the Government of Prince Edward Island to everyone, not to us — if you want the records themselves, take them from the catalogue record above under that same licence. You do not need our permission. The source review read the live licence page on 8 October 2026: version 1.0, published 30 May 2018.

What is removed before the Prince Edward Island records reach the app

The table has no owner name, address, telephone or e-mail column. What it does carry about people, and its free text, is dropped during import, not hidden in the interface, so it never reaches a server the apps talk to:

Coordinates, the community, the parcel identifier (PID), the record number, the date and the measurements are kept. The Province publishes the same table, coordinates and PID included, under an open licence; the record describes a structure rather than a person; and no name survives the import to join a coordinate to. Keeping the PID was an explicit decision of the source review. Joined with the Province's property records it leads to the owner of the parcel, and unlike British Columbia the Province offers no search by PID of its own; but it is the publisher's own column in an openly licensed table, and the only land description Prince Edward Island publishes for a well.

Known limitations of the Prince Edward Island records

The publisher's catalogue entry describes the table in one sentence and documents none of its columns beyond their names and units: no definitions, no datum and no history.

What the import measured, from the source review of release 2026-05-27:

Found something wrong in a Prince Edward Island record?

WellAtlas does not edit government records, so a correction has to be made at the source. If a record is wrong, report it to the Government of Prince Edward Island through the contact given on the catalogue record; corrections reach the app when a later edit of the table is imported. If the app is showing a record differently from the source, that is ours — tell us.

Where the Saskatchewan records come from

Dataset
Water Wells (Public) — the map layer the Water Security Agency builds from its Water Well Driller's Reports database (the layer has an English title only)
Publisher
Water Security Agency, the provincial water agency; anyone drilling a water well in Saskatchewan must file a report with it under The Water Security Agency Act
Release
2026-10-29, the date WellAtlas read the live layer: the agency edits it in place and publishes no version of its own
Catalogue record
https://geohub-wsask.hub.arcgis.com/datasets/WSASK::water-wells/about
Licence
Government of Saskatchewan Standard Unrestricted Use Data Licence, version 2.0
Refresh
Continuous at the source, about 1,400 reports a year. WellAtlas reads the layer again about once a month, and each copy is labelled with the date it was read; the agency has said it will add a last-updated field and refresh its catalogue copy nightly

Contains information licensed under the Government of Saskatchewan Standard Unrestricted Use Data Licence (Version 2.0). Source: Water Security Agency, Water Well Driller's Reports (Water Wells, Public).

The licence lets anyone copy, adapt and redistribute these records, including commercially, on one condition: that the attribution above is shown, with a link to the licence where possible. It is shown on every well record in the apps, and here. The agency gives no attribution statement of its own, so the licence's default sentence is used, followed by the source. The licence is granted by the Government of Saskatchewan to everyone, not to us — if you want the records themselves, take them from the catalogue record above under that same licence. You do not need our permission. The source review read the licence on 28 September 2026 (version 2.0, approved 18 January 2018), and on 29 October 2026 the agency confirmed in writing that the licence named on its catalogue record also covers the live map service the records are read from. The licence grants no right to personal information, which is one of the reasons the owner's name is never requested (next section).

What is removed before the Saskatchewan records reach the app

The agency's layer carries the well owner's name — its own report form labels the field Well Owner Name — and the drilling company. WellAtlas never receives either. The importer asks the service for a fixed list of fields by name, and a reply that carries a field it did not ask for is refused whole, so these columns are not dropped after the fact: they are never transferred. The same applies to:

The report number, the coordinates, the legal land description, the dates, the construction details and the measurements are kept. The agency publishes the same points on every copy of the layer; the record describes a structure rather than a person; and no name survives the import to join a coordinate to. Keeping the land description was an explicit decision of the source review: it is how Saskatchewan refers to a well, it names a quarter section whose owner is already public in the land titles, and it adds nothing the point does not show — most points being the centre of that quarter, not the well (next section).

Known limitations of the Saskatchewan records

Three come from the agency's own description of the layer, in its words. The data has not been field-verified and use of, and reliance upon, the data is at the user's own risk. The dataset does not contain all of the wells in the Province, only those that have been reported by drillers. And most of the point features are located at the centroid of the quarter section which they fall within; the actual location in the real world could be anywhere in that quarter section.

What the import measured, from the source review of release 2026-10-29:

Found something wrong in a Saskatchewan record?

WellAtlas does not edit government records, so a correction has to be made at the source. If a record is wrong, report it to the Water Security Agency through the contact given on the catalogue record; corrections reach the app the next time the layer is read. If the app is showing a record differently from the source, that is ours — tell us.

Where the Yukon records come from

Dataset
Water wells — the Yukon Water Well Registry as extracted to GeoYukon (the catalogue gives the title in English only)
Publisher
Government of Yukon — published by Geomatics Yukon for the Department of Environment, Water Resources Branch
Release
2026-10-07, the date of the publisher's file
Catalogue record
https://open.yukon.ca/data/water-wells
Licence
Open Government Licence – Yukon
Refresh
Not settled by the publisher: its metadata says weekly, its catalogue ad hoc, and the file is rebuilt on the publisher's own schedule; each copy WellAtlas imports is labelled with the date of the file

Contains information licensed under the Open Government Licence – Yukon.

The licence lets anyone copy, adapt and redistribute these records, including commercially, on one condition: that the attribution above is shown, with a link to the licence where possible. It is shown on every well record in the apps, and here. The publisher gives no attribution statement of its own for this dataset, so the licence's default sentence is used. The licence is granted by the Government of Yukon to everyone, not to us — if you want the records themselves, take them from the catalogue record above under that same licence. You do not need our permission. The source review read the licence page on 8 October 2026: version 2.0, last modified 16 July 2025. Every download also carries the publisher's 2014 data disclaimer, which disclaims warranties and adds no condition of use.

What is removed before the Yukon records reach the app

The download has no owner, driller, company, telephone or e-mail column. What it does carry about people, and its free text, is dropped during import, not hidden in the interface, so it never reaches a server the apps talk to:

Coordinates, the community, the borehole identifier, the dates, the purpose and the measurements are kept. The territory publishes the same points in every one of its downloads and on its own map; the record describes a structure rather than a person; and no name or address survives the import to join a coordinate to. Keeping the borehole identifier was an explicit decision of the source review: it is the registry's own public number, written on the forms, and without it a well cannot be cited, searched by number or matched to a later release. The publisher itself publishes that number beside the address of the well's scanned log; WellAtlas never builds, stores or shows that link.

Known limitations of the Yukon records

Two come from the publisher's own catalogue entry, in its words. The registry is not complete: there is no current overarching requirement for drillers or owners to submit well logs, so many have been provided on a voluntary basis and the dataset is not a complete list of all wells across the territory. And a record documents the original drilling conditions, not an updated status of the well.

What the import measured, from the source review of release 2026-10-07:

Found something wrong in a Yukon record?

WellAtlas does not edit government records, so a correction has to be made at the source. If a record is wrong, report it to the Government of Yukon through the contact given on the catalogue record; corrections reach the app when a later copy of the file is imported. If the app is showing a record differently from the source, that is ours — tell us.