Base Stream and Flow Representation Update

The Base Hydrography Single Line Hydrography Network (SLNET) is the Alberta Environment and Protected Areas base SLNET data set. It is an update of the Base Features HydroSLNET in Southern Alberta from orthophoto and various sources of provincial base data. It contains all captured single line representations of hydrographic features. In addition, single line representations of polygonal features and single line arbitrary network connectors are in the file.

Data and Resources

Additional Info

Field	Value
Last Updated	April 17, 2026, 18:45 (UTC)
Created	April 17, 2026, 18:45 (UTC)
contact_email	PGC.Metadata@gov.ab.ca
contact_person	{"en": "Government of Alberta; Government of Alberta; Environment and Parks", "fr": "Gouvernement de l'Alberta; Gouvernement de l'Alberta; Environment and Parks"}
criticality_level	[]
data_dictionary	unknown,unknown,unknown
geographic_scope	[]
open_canada_collection	fgp
open_canada_date_published	2025-09-25 00:00:00
open_canada_keywords	{"en": ["-CANADA", "ALBERTA", "CANAL-REPRESENTATION-LINE", "INDEFINITE-STREAM", "INLANDWATERS", "INTERMITTENT-STREAM", "LAKE-REPRESENTATION-LINE", "PERENNIAL-STREAM", "RECURRING-STREAM", "REPRESENTATION-LINE", "RIVER-REPRESENTATION-LINE", "STREAM", "Government information"], "fr-t-en": ["-CANADA", "ALBERTA", "LIGNE DE REPRÉSENTATION DU CANAL", "FLUX INDÉFINI", "EAUX INTÉRIEURES", "FLUX INTERMITTENT", "LIGNE DE REPRÉSENTATION DU LAC", "RUISSEAU PÉRENNE", "FLUX RÉCURRENT", "LIGNE DE REPRÉSENTATION", "LIGNE DE REPRÉSENTATION FLUVIALE", "FLUX", "Information gouvernementale"]}
open_canada_subject	["form_descriptors", "nature_and_environment", "science_and_technology"]
sensitivity_level	unrestricted
title_fr
update_frequency	irregular