the Fill the Lake Act requiring federal water managers keep Flathead Lake at full pool all summer
Require federal water managers to keep Flathead Lake at full pool all summer.
Occurrences
Evidence
Zinke's office said he introduced the Fill the Lake Act, which would require Interior to maintain Flathead Lake between 2892 and 2893 feet MSL from June 15 to September 15 each year, and noted it would apply only if enacted.
Zinke's office said the Technical Management Team advising the Bureau of Reclamation denied the request by Gov. Gianforte, Sen. Daines and Zinke to stabilize Flathead Lake levels.
Zinke urged Reclamation to increase releases from Hungry Horse Reservoir to stabilize Flathead Lake, while his office said the lake was expected to be 18 inches below full pool by mid-July.
Energy Keepers forecast that Flathead Lake would remain in the top 12 inches through August 28, then dip to about 1.2 feet below full pool on Labor Day.
Energy Keepers stated that lake elevation depends on inflows, weather, electricity demand, downstream fishery constraints and flood-risk management needs, and forecast a drop below the top foot by Labor Day.
Zinke's official recent-release list for the June 7-July 6, 2026 lookback shows items on Patriot Games, PILT funding, GAOA 250, and Allied Defense Sales; it does not report enactment or advancement of a Flathead Lake full-pool mandate.
The latest 2026 lake-data entry says lake elevation and SKQ outflows depend on inflows, weather, electricity demand, downstream fishery needs, and flood-risk management, with USACE deviations coordinated only as needed to refill the lake.
Energy Keepers forecast that 2025 runoff would not get Flathead Lake to full pool, projected a maximum near 2891.9 feet around June 15, and identified full pool as 2893 feet.
The drought plan says the license authorizes regulation between elevations 2883 and 2893, coordinates with USACE and federal agencies, and prioritizes compliance with lower Flathead River minimum instream-flow requirements during drought conditions.
Zinke's office said he introduced the Fill the Lake Act, which would require Interior to maintain Flathead Lake between 2892 and 2893 feet from June 15 to September 15 if enacted.
Zinke's office said the Columbia River Technical Management Team denied the request by Gov. Gianforte, Sen. Daines, and Zinke to stabilize Flathead Lake levels.
Assessments
Zinke materially pursued the promise by pressing federal water managers in 2023 and introducing the Fill the Lake Act, which would have required Interior to keep Flathead Lake near full pool from June 15 to September 15. But the administrative request was denied, the bill is described only as proposed legislation, and later lake-management materials still show conditions-based operations rather than an enacted federal full-pool mandate. Because there was a serious attempt but no delivered requirement, this counts as not fulfilled with an effort badge.