PlainBillCongress, translated.Legislation. Context. Public interest.Committee on Energy and Natural Resources Subcommittee on Water and Power. Hearings held. With printed Hearing: S.Hrg. 110-494.
Congressional Research Service
Version 00 · Introduced in Senate · Feb 28, 2008
Leadville Mine Drainage Tunnel Environmental Improvement Act of 2008 - Amends the Reclamation Projects Authorization and Adjustment Act of 1992 to repeal provisions requiring construction of a water treatment plant to treat effluent discharged from the Leadville Mine Drainage Tunnel, Colorado, and authorizing the Secretary of the Interior to investigate water pollution sources and impacts attributed to development in the Upper Arkansas River basin, develop corrective action plans, and implement corrective action demonstration projects.
Requires the Secretary to operate and maintain the Tunnel in a manner that protects human health and the environment.
Directs the Secretary, in cooperation with the state of Colorado, the Administrator of the Environmental Protection Agency (EPA), and other federal agencies, to: (1) investigate the Tunnel, groundwater and surface water affected by any blockage of the Tunnel, and the upper Arkansas River Watershed (study area); and (2) submit to the state, the Administrator, and Congress annual reports on how any blockages in the Tunnel affect water quality and aquatic life in the study area.
Showing the opening paragraphs of the official summary.
Requires the Secretary, in conjunction with the Administrator, to take actions to: (1) reduce the water level in the mine pool associated with the Tunnel to prevent the risk of a catastrophic rupture and flood; and (2) maintain the water level in the mine pool at a safe level and prevent further mine pool migration.
Directs the Secretary, in conjunction with the Administrator and the state, to implement those portions of the remedy selected by the Administrator, dated September 2003, for the California Gulch Superfund Site that pertain to managing the Tunnel and related mine pool.
People & committees
Sen. Salazar, Ken [D-CO] · D–CO
Legislative record
A procedural vote is different from passage. Passage in one chamber does not establish enactment. Explore the glossary.
Committee on Energy and Natural Resources Subcommittee on Water and Power. Hearings held. With printed Hearing: S.Hrg. 110-494.
Read twice and referred to the Committee on Energy and Natural Resources.
Sponsor introductory remarks on measure. (CR S1386-1387)
Introduced in Senate
Primary sources
Text links open the official source. We currently store references to these documents.
Source last updated: Sep 8, 2026. Consult Congress.gov for the current record.
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