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URL: https://open.canada.ca/data/en/dataset/078c2451-40ec-4416-9e7e-9a28a131ba23
This layer represents the watershed areas that report to Water Survey of Canada (WSC) and United States Geological Survey (USGS) gauge stations that meet the following criteria for inclusion: at least 10 years or data (with 350 or more days of observations) above the low outlier threshold; less than 20% (by basin drainage area) regulation; a corresponding basin polygon dataset (either supplied or delineated) with a area <15% different than the basin area reported by WSC or USGS; full metadata coverage for the basin (e.g. mean annual precipitation, elevation, etc.); and 1-, 3-, 5-, and -10 day distribution fits that did not overlap for any Average Recurrence Interval’s (ARI) above 2 years. See Bulletin 2020-1-RFFA British Columbia Extreme Flood Project – Regional Flood Frequency Analysis – Technical development report and manual to complete a regional flood frequency analysis.
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Additional Information
| Field | Value |
|---|---|
| Data last updated | January 16, 2026 |
| Metadata last updated | January 16, 2026 |
| Created | January 16, 2026 |
| Format | HTML |
| License | License not specified |
| Datastore active | False |
| Has views | False |
| Id | ec3e7597-928b-48d4-b658-a38e359b0946 |
| Package id | 37bbeffe-dc10-48c2-a1c8-c90bf09e08a1 |
| Position | 0 |
| State | active |