Wild Steelhead Shad Lamprey Step 3. Some of the sites are consistently several days behind in reporting. Click here to view the data for Year to Date and the last 7 days. Dam Wells Dam Step 2. Wild Steelhead and Shad numbers are only available for the last five years and only at some of the sites.
Lamprey counts are only available for the last couple of years and only for some of the sites.
Starting in 2000 lamprey are being counted at all sites. These dates represent the outermost monitoring dates, except for Little Goose Dam which started adult return counts in 1991. If choosing Grand Total , please be aware that while the query returns all data within that time frame, the actual monitoring dates may begin after, or stop before those dates. This query takes the totals per year from the site's start date to the end date specified and averages the results for the 10 years specified. Dam Wells Dam Step 2.