IB 

Union Calendar No. 456 

110TH CONGRESS 

2D SESSION H. R. 5511 

[Report No. 110–715] 

To direct the Secretary of the Interior, acting through the Bureau of Reclamation, to remedy problems caused by a collapsed drainage tunnel 

in Leadville, Colorado, and for other purposes. 

IN THE HOUSE OF REPRESENTATIVES 

FEBRUARY 28, 2008 

Mr. LAMBORN (for himself and Mr. UDALL of Colorado) introduced the 

following bill; which was referred to the Committee on Natural Resources 

JUNE 17, 2008 

Additional sponsors: Mrs. MUSGRAVE and Mr. SALAZAR

JUNE 17, 2008 

Committed to the Committee of the Whole House on the State of the Union 

and ordered to be printed 

A BILL 

To direct the Secretary of the Interior, acting through the 

Bureau of Reclamation, to remedy problems caused by 

a collapsed drainage tunnel in Leadville, Colorado, and 

for other purposes. 

1 Be it enacted by the Senate and House of Representa2 tives of the United States of America in Congress assembled, 


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•HR 5511 RH

1 SECTION 1. LEADVILLE MINE DRAINAGE TUNNEL REMEDI2 ATION. 

3 (a) SHORT TITLE.—This section may be cited as the 

4 ‘‘Leadville Mine Drainage Tunnel Remediation Act of 

5 2008’’. 

6 (b) TUNNEL REMEDIATION.—The Reclamation 

7 Projects Authorization and Adjustment Act of 1992 (Pub8 lic Law 102–575) is amended as follows: 

9 (1) By striking section 705. 

10 (2) In section 708(a)— 

11 (A) by striking ‘‘(a)’’ and inserting 

12 ‘‘(a)(1)’’; 

13 (B) by striking ‘‘The Secretary shall have’’ 

14 and inserting ‘‘Except as provided by paragraph 

15 (2), the Secretary shall have’’; and 

16 (C) by adding at the end the following: 

17 ‘‘(2) The Secretary shall participate in the im18 plementation of the operable unit 6 remedy for the 

19 California Gulch Superfund Site, as such remedy is 

20 defined in the Environmental Protection Agency’s 

21 2003 Record of Decision for such operable unit, 

22 by— 

23 ‘‘(A) treating water behind any blockage or 

24 bulkhead in the Leadville Mine Drainage Tun25 nel, including surface water diverted into the

26 Tunnel workings as part of the remedy; and 


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•HR 5511 RH

1 ‘‘(B) managing and maintaining the mine 

2 pool behind such blockage or bulkhead at a level 

3 that precludes surface runoff and releases and 

4 minimizes the potential for tunnel failure due to 

5 excessive water pressure in the tunnel.’’. 

6 (3) In section 708(f), by striking ‘‘and 708’’ 

7 and inserting ‘‘, 708, and 709’’. 

8 (4) By adding at the end the following: 

9 ‘‘SEC. 709. TUNNEL MAINTENANCE. 

10 ‘‘The Secretary shall take such steps to repair or 

11 maintain the structural integrity of the Leadville Mine 

12 Drainage Tunnel (LMDT) as may be necessary in order 

13 to prevent tunnel failure and to preclude uncontrolled re14 lease of water from any portion of the tunnel.’’. 


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Union Calendar No. 456 

110TH CONGRESS 

2D SESSION H. R. 5511 

[Report No. 110

–715] 

A BILL 

To direct the Secretary of the Interior, acting 

in Leadville, Colorado, and for other purposes. problems caused by a collapsed drainage tunnel through the Bureau of Reclamation, to remedy 

JUNE 17, 2008 

Committed to the Committee of the Whole House on the 

State of the Union and ordered to be printed 


erowe on PROD1PC71 with BILLS