 CWA-08-2007-0021 | Closed | 09/20/2007 | ROCKRIMMON CONSTRUCTORS, A SEMA/CHWMHILL JOINT VENTURE |
| CWA-08-2007-0022 | Closed | 09/20/2007 | KERR-MCGEE OIL & GAS ONSHORE LP |
| CWA-08-2007-0023 | Closed | 09/24/2007 | MENARD, INC. |
| CWA-08-2007-0025 | Closed | 09/27/2007 | BURKE OIL COMPANY, INC., d/b/a PRESHO OIL CO. (PRESHO OIL FACILITY) |
| CWA-08-2007-0026 | Closed | 09/27/2007 | BURKE OIL CO., INC. (CHAMBERLAIN BULK PLANT FACILITY) |
| CWA-08-2007-0027 | Closed | 09/28/2007 | MERIT ENERGY CO. (POWELL PRESSURE MAINTENANCE UNIT) |
| CWA-08-2007-0028 | Closed | 09/28/2007 | HALLIBURTON ENERGY SERVICES |
| CWA-08-2008-0001 | Closed | 10/11/2007 | VEOLIA TRANSPORTATION, INC. |
| CWA-08-2008-0002 | Closed | 11/20/2007 | HORSE CREEK CONSERVATION DISTRICT |
| CWA-08-2008-0003 | Closed | 12/06/2007 | AVONDALE WATER AND SANITATION DISTRICT |
| CWA-08-2008-0004 | Closed | 12/19/2007 | KENNETH L. SCHELL AND TWIN PEAKS EXCAVATING, INC. |
| CWA-08-2008-0005 | Active | 01/17/2008 | HOMELAND GAS & OIL LTD., INC.
UTE TRIBAL 1-31C5 |
| CWA-08-2008-0006 | Active | 01/17/2008 | HOMELAND GAS & OIL LTD., INC. - UTE TRIBAL 1-31C5 |
| CWA-08-2008-0007 | Active | 01/17/2008 | HOMELAND GAS & OIL LTD., INC. - UTE TRIBAL 1-34B (Z2) |
| CWA-08-2008-0008 | Closed | 02/21/2008 | WYOMING RESOURCES COUNSEL |
| CWA-08-2008-0009 | Closed | 03/05/2008 | NORTHEAST RIDGE DEVELOPMENT CO. - DAVID J. PAULSON |
| CWA-08-2008-0010 | Closed | 01/13/2009 | PPL MONTANA, LLC. - COCHRAN DAM HYDROELECTRIC POWER PLANT |
| CWA-08-2008-0011 | Closed | 01/13/2009 | PPL MONTANA, LLC. - KERR FACILITY |
| CWA-08-2008-0012 | Closed | 06/04/2008 | PEAKS OIL SPILL
PEAKS OWNERS ASSOCIATION, INC. AND TELLURIDE RESORT AND SPA LLC. (TRS) |
| CWA-08-2008-0013; RCRA-08-2008-0006 | Closed | 05/22/2008 | KELLER TRANSPORT, INC. |
| CWA-08-2008-0014 | Closed | 06/16/2008 | GRATECH COMPANY, LTD. AND MICHAEL O'CONNOR |
| CWA-08-2008-0015 | Closed | 06/23/2008 | SOLAR TRANSPORT OIL SPILL |
| CWA-08-2008-0016 | Closed | 06/30/2008 | CHEERFUL CESSPOOL SERVICE |
| CWA-08-2008-0017 | Closed | 07/02/2008 | KORTE CONSTRUCTION CO. |
| CWA-08-2008-0018 | Closed | 07/07/2008 | HUNT BUILDING CO. |
| CWA-08-2008-0019 | Closed | 07/08/2008 | RANDY L. BROWNLEE and RITA BROWNLEE and BROWNLEE CONSTRUCTION, INC. |
| CWA-08-2008-0020 | Closed | 08/11/2008 | HARDIN PUBLIC SCHOOLS |
| CWA-08-2008-0021 | Closed | 08/21/2008 | THE CITY OF HARDIN |
| CWA-08-2008-0022 | Closed | 08/25/2008 | MACHII-ROSS PETROLEUM COMPANY |
| CWA-08-2008-0023 | Closed | 08/28/2008 | MACHII-ROSS PETROLEUM COMPANY (BERGER TANK BATTERY) |
| CWA-08-2008-0024 | Closed | 09/09/2008 | GORDON CONSTRUCTION COMPANY |
| CWA-08-2008-0025 | Closed | 09/11/2008 | KENNETH L. SCHELL AND TWIN PEAKS EXCAVATING, INC. |
| CWA-08-2008-0026 | Active | 09/12/2008 | SCOTT M. SHEPHERD AND TWO BUDS, LLC |
| CWA-08-2008-0027 | Closed | 09/23/2008 | EAGLE PLUMBING AND SEPTIC, LLC |
| CWA-08-2008-0028 | Active | | NORTHSTAR ASSOCIATES, LLC |
| CWA-08-2008-0029 | Closed | 09/30/2008 | INDUSTRIAL BUILDERS, INC. |
| CWA-08-2008-0030 | Closed | 09/30/2008 | CITY OF POLSON, MONTANA |
| CWA-08-2008-0031 | Closed | 09/30/2008 | PAUL STELTER, d/b/a ALAMEDAS HOT SPRINGS RETREAT |
| CWA-08-2008-0032 | Closed | 09/30/2008 | WILLIAMS FIELD SERVICES COMPANY AND WILLIAMS FOUR CORNERS LLC |
| CWA-08-2008-0033 | Closed | 09/30/2008 | FARMERS UNION OIL COMPANY OF RELIANCE, PRESHO, AND DRAPER, SOUTH DAKOTA |
| CWA-08-2009-0001 | Closed | 12/09/2008 | LAWRENCE GERMANN |
| CWA-08-2009-0002 | Closed | 12/12/2008 | PEAK TO PEAK FINANCIAL, LLC. |
| CWA-08-2009-0003 | Closed | 12/30/2008 | JOHN A. PORTER |
| CWA-08-2009-0004 | Closed | 12/31/2008 | INREIT PROPERTIES, LLLP., and GOLDMARK DEVELOPMENT CORP. |
| CWA-08-2009-0005 | Closed | 02/05/2009 | ROCKY MOUNTAIN PIPELINE SYSTEM, LLC. |
| CWA-08-2009-0006 | Active | 02/19/2009 | FULTON FUEL COMPANY |
| CWA-08-2009-0007 | Closed | 03/09/2009 | DAVID HAMILTON |
| CWA-08-2009-0008 | Closed | 03/10/2009 | AVISTA-NOXON DAM |
| CWA-08-2009-0009 | Closed | 03/12/2009 | HOMELAND GAS & OIL LTD., INC. |
| CWA-08-2009-0010 | Closed | 03/31/2009 | COLORADO DEPARTMENT OF TRANSPORTATION AND SEMA CONSTRUCTION, INC. |
| CWA-08-2009-0011 | Closed | 04/16/2009 | JJ CONCRETE, LLC, AND BUILDER'S AGGREGATE, INC. |
| CWA-08-2009-0012 | Closed | 04/22/2009 | CHRISTOPHER AND LINDA JANOWSKI |
| CWA-08-2009-0013 | Closed | 05/14/2009 | DUNN COUNTY, a POLITICAL SUBDIVISION OF THE STATE OF NORTH DAKOTA |
| CWA-08-2009-0014 | Closed | 05/29/2009 | HERMESCONSOLIDATED, INC. d/b/a WYOMING REFINING CO. (ELLSJET TERMINAL) |
| CWA-08-2009-0015 | Closed | 06/03/2009 | MERIDIAN COMMERCIAL CONSTRUCTION, LLC.
(Previously known as: OLD ORCHARD, LLC. and) |
| CWA-08-2009-0016 | Closed | 06/11/2009 | DOECK, LLC. |
| CWA-08-2009-0017 | Closed | 06/18/2009 | CHEERFUL CESSPOOL SERVICE |
| CWA-08-2009-0018 | Closed | 06/25/2009 | THE CITY OF HELENA |
| CWA-08-2009-0019 | Closed | 06/30/2009 | THE CITY OF GRAND JUNCTION |
| CWA-08-2009-0020 | Closed | 06/30/2009 | MCR, LLC. |
| CWA-08-2009-0021 | Closed | 07/09/2009 | 47TH STREET TOWNHOMES, LLC., JORDAHL CUSTOM HOMES, INC. and MASTER CONSTRUCTION CO., INC. |
| CWA-08-2009-0022 | Closed | 07/21/2009 | BIG H WATER SERVICE, INC. |
| CWA-08-2009-0023 | Closed | 07/31/2009 | VALLEY REALTY, INC. |
| CWA-08-2009-0024 | Closed | 09/24/2009 | ALUTIIQ INTERNATIONAL SOLUTIONS, LLC. |
| CWA-08-2009-0025 | Closed | 08/24/2009 | HOLCIM (US), INC. |
| CWA-08-2009-0026 | Closed | 08/26/2009 | TULEVIEW HOLSTEINS, LC |
| CWA-08-2009-0027 | Closed | 09/03/2009 | BNSF RAILWAY COMPANY (BNSF) BURLINGTON NORTHERN SANTA FE RAILROAD (BNSF) |
| CWA-08-2009-0028 | Closed | 09/17/2009 | BUCKLEN EQUIPMENT CO., INC. |
| CWA-08-2009-0029 | Closed | 09/22/2009 | HESS CORPORATION |
| CWA-08-2009-0030 | Closed | 09/22/2000 | TIMBERLINE STEEL |
| CWA-08-2009-0031 | Active | 09/25/2009 | CITY OF BILLINGS, THE |
| CWA-08-2009-0032 | Closed | 09/29/2009 | PECK HOMES, INC. |
| CWA-08-2009-0033 | Closed | 09/29/2009 | UNIVERSITY OF COLORADO |
| CWA-08-2009-0034 | Closed | 09/30/2009 | PETROLEUM DEVELOPMENT CORPORATION |
| CWA-08-2009-0035 | Closed | 09/30/2009 | AVISTA UTILITIES, INC. (NOXON RAPIDS HYROELECTRIC DEVELOPMENT FACILITY) |
| CWA-08-2009-0036 | Closed | 09/30/2009 | KENYON NOBLE READY MIX |
| CWA-08-2009-0037 | Closed | 09/30/2009 | PUBLIC SERVICE COMPANY OF COLORADO d/b/a XCEL ENERGY, INC. |
| CWA-08-2010-0001 | Closed | 10/13/2009 | BNSF RAILWAY CO. |
| CWA-08-2010-0002 | Closed | 10/14/2009 | PARRY FARMS, LLC |
| CWA-08-2010-0003 | Closed | 12/22/2009 | PROFESSIONAL HOME DESIGN, INC., Michael F. Gard d/b/a Gard Enterprises and Richard P. Gard d/b/a Gard Enterprises |
| CWA-08-2010-0004 | Active | 01/13/2010 | SAV-O-MAT - CASTLE ROCK |
| CWA-08-2010-0005 | Closed | 03/12/2010 | FEDEX FREIGHT, INC. |
| CWA-08-2010-0006 | Closed | 02/10/2010 | ROBERT PFAFFENHAUSER |
| CWA-08-2010-0007 | Active | 02/11/2010 | WESTERN CONVENIENCE STORE #104, CASTLE ROCK |
| CWA-08-2010-0008 | Closed | 05/25/2010 | KIEWIT BUILDING GROUP, INC. |
| CWA-08-2010-0009 | Closed | 04/14/2010 | MONTEZUMA WELL SERVICE, INC. |
| CWA-08-2010-0010 | Closed | 04/20/2010 | GILCO TRANSPORT |
| CWA-08-2010-0011 | Closed | 04/21/2010 | ROYAL FLUSH SEPTIC SERVICE, INC. |
| CWA-08-2010-0012 | Closed | 04/22/2010 | ROMAN CATHOLIC BISHOP OF GREAT FALLS AND ST. LABRE INDIAN SCHOOL EDUCATIONAL ASSOCIATION, PRETTY EAGLE SCHOOL |
| CWA-08-2010-0013 | Active | 05/03/2010 | WOLF CREEK PASS TANKER TRUCK RELEASE, MILE 179 OF HIGHWAY 160, MINERAL COUNTY COLORADO; AND J.C. HUNT TRUCKING, c/o CARL HUNT |
| CWA-08-2010-0014 | Closed | 05/13/2010 | L. W. MATTESON, INC. |
| CWA-08-2010-0015 | Active | 05/20/2010 | PETER AND BONNIE MOORE (GRASSLANDS ENTERPRISES) |
| CWA-08-2010-0016 | Closed | 07/01/2010 | MILLERCOORS LLC. |
| CWA-08-2010-0017 | Closed | 06/23/2010 | TIMBER DEVELOPMENT CORPORATION; TIMBER JAMESTOWN PROPERTIES, L.P. |
| CWA-08-2010-0018 | Closed | 07/01/2010 | MAGNA ENERGY, LLC. |
| CWA-08-2010-0019 | Closed | 07/20/2010 | EVRAZ NORTH AMERICA |
| CWA-08-2010-0020 | Closed | 07/26/2010 | PIERCE OIL COMPANY, INC. |
| CWA-08-2010-0021 | Closed | 08/19/2010 | THE GENERAL SERVICES ADMINISTRATIVE |
| CWA-08-2010-0022 | Closed | 08/24/2010 | SOLAR TRANSPORT COMPANY |
| CWA-08-2010-0023 | Closed | 08/24/2010 | JIM GUEST PLUMBING AND HEATING & AIR CONDITIONING |
![[logo] US EPA](https://www3.epa.gov/epafiles/images/logo_epaseal.gif){kind=logo}