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Los Alamos National Laboratory
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Delivering science and technology to protect our nation and promote world stability

Water Quality

We protect water quality through stormwater control measures and an extensive network of monitoring wells and stations encompassing groundwater, surface water, storm water and springs.
April 12, 2012
Quarterly Groundwater monitoring attended by LANL managers and the Northern New Mexico Citizens Advisory Board

LANL scientists brief the Northern New Mexico Citizens Advisory Board during quarterly groundwater monitoring of the well network around Area G.


  • Environmental Communication & Public Involvement
  • P.O. Box 1663 MS M996
  • Los Alamos, NM 87545
  • (505) 667-0216
  • Email
LANL has several programs to ensure storm water runoff and stream sediment into canyons will not harm the environment.

Why we monitor water

LANL monitors the quality of surface water, including storm water and stream sediment on Laboratory property and elsewhere in Northern New Mexico to evaluate the potential environmental effects of Laboratory operations on affected watersheds.

Monitoring programs

LANL has several programs to ensure storm water runoff and stream sediment into canyons will not harm the environment.

Surface Water

LANL collects surface water and sediment samples in all major canyons that cross present and former Laboratory lands, some short tributary drainages, and along the Rio Grande.

Additionally, surface water and sediment are sampled at several locations on the Pueblo de San Ildefonso lands in canyons that occasionally have storm water flows from the Laboratory.



The groundwater in Los Alamos is crucial to the community as it provides all of their drinking water. LANL routinely analyzes groundwater samples to monitor water quality and to identify contamination issues that could impact human health or harm the ecosystem.

Groundwater is monitored at various depths, thus enabling LANL to find contaminants and observe trends. Some wells sample more than one groundwater zone through separate screens.

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P.O. Box 1663
Los Alamos, NM 87545

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