- 50-Year Environmental Stewardship Plan ›
- Clean the Past ›
- Control the Present ›
- Introduction
- Something in the Air? ›
- Protections: Sediment ›
- Protections: Sediment Control = Contaminant Retention
- Tour: Sediment Retention
- Protection #2: Trap and Remove Sediment
- Stormwater Controls
- Stop Contaminant Movement & the Individual Permit
- View of Stormwater Monitoring Sites
- Stormwater Control Structures
- How are the aftereffects of wildfire managed?
- Las Conchas Wildfire
- Stormwater Controls after Wildfire
- Los Alamos Canyon Weir
- 10,000 Willows
- Pueblo Canyon Grade Control Structure
- Early Notification Gages
- Protections: Monitoring ›
- Protection #3: Monitor and Survey
- Tour: Environmental Monitoring
- Groundwater Monitoring
- How does LANL determine where to put a monitoring well?
- Protection of the Groundwater Resource
- The Location Investigation Process
- The Location Determination Process
- Monitoring Well Placement
- Contaminant Sources
- Groundwater Monitoring Network
- View of Groundwater Monitoring Sites
- Well Placement Decision Process
- Create a Sustainable Future ›
- Multimedia ›
Protection #2: Trap and Remove Sediment
Sediment behind LA Canyon weir is sampled and excavated regularly. As of 2012, no sediment required disposal as hazardous or radioactive waste.
Sampling sediment capture rates
Los Alamos Canyon weir
The 3 Protections = Defenses in Depth
- Protection #1: Remove the Source
- Protection #2: Stabilize or remove sediments
- Protection #3: Monitor for known and unexpected contaminants