- Long-Term Environmental Stewardship & Sustainability Strategy ›
- 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: Sampling ›
- Protection #3: Sample 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 ›
Groundwater in the Regional Aquifer

Typical structure of a monitoring well

Conceptual model of water movement and geology at Los Alamos National Laboratory
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To protect ground and surface water, these sites are monitored:
- 250 stormwater monitoring around Solid Waste Management Units (SWMUs) on mesa tops
- 23 gages in canyons
- 27 springs
- 32 alluvial groundwater monitoring wells
- 49 perched groundwater monitoring screens
- 90 deep regional groundwater monitoring screens
- 75 regional groundwater monitoring wells
- 15 regional drinking water monitoring wells
- 8 base-flow locations

It is safe to drink the water at LANL.
Fact Check »
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The drinking water produced by Los Alamos County and Santa Fe County south and west meets all state and federal requirements.
