A water-level number is not the decision. The decision is which ramp works for your boat at that level—so the current NPS ramp table is the center of the tool.
Current decision
Checking live source…
This page will not invent a current answer if the source fails.
Connecting to the source…
The decision
What this tool is trying to answer
Lake Powell’s shoreline moves enough that launch-ramp usability can change materially with elevation. NPS publishes a current ramp table with availability and minimum safe elevations. This tool brings the level and those ramp decisions into one fast scan.
Wahweap Stateline Auxiliary is operable at 3,515 feet or above, subject to current NPS status.
Bullfrog North is operable at 3,525 feet or above and has vessel/traffic limitations.
The current NPS status text controls even when a numeric threshold appears favorable.
How to use this result
Make the decision from the status, freshness and evidence together
Start with the current decision, then check the timestamp and source excerpt before changing a route, reservation or departure time. A green-looking condition is only useful when the underlying source is current. If the tool returns VERIFY or LIVE SOURCE UNAVAILABLE, open the official source instead of treating an old reading as an all-clear. Recheck close to departure because roads, alerts, water levels and mountain weather can change after you first plan the trip.