 04/25/2018 | CWA-08-2018-0006 | FISHER SAND AND GRAVEL COMPANY | CWA |
| 04/26/2018 | CWA-08-2018-0007 | WASATCH COMMERCIAL BUILDERS, LLC | CWA |
| 05/03/2018 | CWA-08-2018-0008 | ANADARKO MINERALS, INC. | CWA |
| 05/04/2018 | CERCLA-08-2018-0006 | ACM Smelter & Refinery Site; Atlantic Richfield Company & ARCO Environmental Remediation, LLC | CERCLA |
| 05/14/2018 | SDWA-08-2018-0013 | UTE INDIAN TRIBE & UTE TRIBE PUBLIC WORKS | SDWA |
| 05/16/2018 | SDWA-08-2018-0014 | NORTHERN CHEYENNE UTILITY COMMISSION, LAME DEER | SDWA |
| 05/24/2018 | CAA-08-2018-0007 | COLORADO INTERSTATE GAS COMPANY, LLC | CAA |
| 05/30/2018 | CERCLA-08-2018-0007 | EAGLE MINE SUPERFUND SITE | CERLCA |
| 06/05/2018 | CWA-08-2018-0009 | CITY OF FARGO | CWA |
| 06/05/2018 | RCRA(CIT)-08-2018-0001 | BROWING SCHOOL DISTRICT MAINTENANCE FACILITY | RCRA |
| 06/06/2018 | CAA-08-2018-0008 | KINDER MORGAN, INC. | |
| 06/07/2018 | TSCA-08-2018-0004 | SHEFFIELD HOMES FINISHED BASEMENTS AND MORE, LLC | TSCA |
| 06/13/2018 | SDWA-08-2018-0017 | TOWN OF COKEVILLE | SDWA |
| 06/25/2018 | SDWA-08-2018-0019 | WHITAKER OIL INC. | SDWA |
| 06/27/2018 | SDWA-08-2018-0020 | CITY OF CASPER | SDWA |
| 07/02/2018 | CERCLA-08-2018-0008 | FOURMILE WATERSHED COALITION, FOUR MILE FIRE PROTECTION DISTRICT | CERCLA |
| 07/03/2018 | SDWA-08-2018-0021 | CITY OF CODY | SDWA |
| 07/05/2018 | RCRA-08-2018-0002 | Eagle Stop | RCRA |
| 07/10/2018 | SDWA-08-2018-0022 | RIVERMEADOWS WATER DISTRICT & JOHN RYAN | SDWA |
| 07/12/2018 | SDWA-08-2018-0023 | TOWN OF PAVILLION, WYOMING | SDWA |
| 07/18/2018 | SDWA-08-2018-0025 | HEART BUTTE SCHOOL DISTRICT | SDWA |
| 07/18/2018 | SDWA-08-2018-0026 | CARL RAY PACE (COZY MOBILE HOME PARK PUBLIC WATER SYSTEM) | SDWA |
| 07/27/2018 | CERCLA-08-2018-0009 | EAGLE MINE SUPERFUND SITE, BATTLE NORTH, LLC, AND BATTLE SOUTH, LLC | CERCLA |
| 07/27/2018 | SDWA-08-2018-0028 | TOWN OF GRANGER, WYOMING | SDWA |
| 07/27/2018 | SDWA-08-2018-0029 | KULDIP SINGH, OWNER (GRANDMA'S iNN PUBLIC WATER SYSTEM) | SDWA |
| 07/31/2018 | CAA-08-2018-0009 | BASIN ELECTRIC POWER COOPERATIVE | CAA |
| 07/31/2018 | CWA-08-2018-0010 | TOM STUART CONSTRUCTION, INC. | CWA |
| 07/31/2018 | CWA-08-2018-0011 | GRAHAM CONSTRUCTION SERVICES, INC. | CWA |
| 07/31/2018 | CWA-08-2018-0012 | THE ROSEBUD SIOUX TRIBE-SEWER REVENUE DEPARTMENT | CWA |
| 07/31/2018 | SDWA-08-2018-0030 | KANOSH BAND OF THE PAIUTE INDIAN TRIBE OF UTAH | SDWA |
| 08/08/2018 | CWA-08-2018-0013 | C-2 CONSTRUCTION, INC. AND IRON MAN ENTERPRISES, LLC. | CWA |
| 09/04/2018 | RCRA-08-2018-0003 | WARWICK OIL GAS STATION | RCRA |
| 09/13/2018 | SDWA-08-2018-0034 | WARD CREEK LANDOWNERS ASSOCIATION | SDWA |
| 09/17/2018 | CAA-08-2018-0010 | Halcon Resources Corporation & Halcon Holdings, Inc. | CAA |
| 09/17/2018 | CAA-08-2018-0011 | AMPLIFY ENERGY CORP. | CAA |
| 09/20/2018 | SDWA-08-2018-0035 | LAME DEER PUBLIC SCHOOLS | SDWA |
| 09/20/2018 | TSCA-08-2018-0005 | VENEZIAS FINISHING TOUCH | TSCA |
| 09/26/2018 | SDWA-08-2018-0036 | THE ROCKY MOUNTAIN CONFERENCE OF 7TH DAY ADVENTISTS | SDWA |
| 09/27/2018 | CAA-08-2018-0012 | CLOVERDALE FOODS COMPANY | CAA |
| 09/27/2018 | FIFRA-08-2018-0005 | JUSTEQ, LLC | FIFRA |
| 09/27/2018 | TSCA-08-2018-0006 | ABBOTTS FIRE & FLOOD | TSCA |
| 10/10/2018 | CAA-08-2019-0001 | KINDER MORGAN ALTAMONT LLC | CAA |
| 10/29/2018 | CWA-08-2019-0001 | THE CROW TRIBE, THE CROW TRIBE WATER RESOURCES DEPARTMENT, AND THE APSAALOOKE WATER AND WASTEWATER AUTHORITY | CWA |
| 10/31/2018 | SDWA-08-2019-0001 | AMERICAN BAPTIST CHURCHES OF THE ROCKY MOUNTAINS | SDWA |
| 11/01/2018 | SDWA-08-2019-0002 | FORT BERTHOLD RURAL WATER | SDWA |
| 11/14/2018 | SDWA-08-2019-0003 | CHIPPY'S KITCHEN LLC AND WILSON HARDWARE, INC. | SDWA |
| 11/14/2018 | SDWA-08-2019-0004 | LEISURE VALLEY, INC. | SDWA |
| 11/15/2018 | CERCLA-08-2019-0001 | ACM SMELTER AND REFINERY SITE, ATLANTIC RICHFIELD COMPANY & ARCO ENVIRONMENTAL REMEDIATION, LLC | CERCLA |
| CERCLA-08-2014-0003 | RICHARDSON FLAT TAILINGS SITE OPERABLE UNITS 2 AND 3 - UNTIED PARK CITY MINES COMPANY | CERLCA |
| CERCLA-08-2018-0002 | NEUHAUSER LANDFILL, STRATUS REDTAIL RANCH LLC | CERCLA |
| CWA-08-2008-0028 | NORTHSTAR ASSOCIATES, LLC | CWA |
| CWA-08-2008-0032 | WILLIAMS FIELD SERVICES COMPANY AND WILLIAMS FOUR CORNERS LLC | CWA |
| CWA-08-2015-0011 | DR. THOMAS RICHARDS (LITTLE GOOSE CREEK) | CWA |
| CWA-08-2017-0023 | PETER K. ROOSEVELT | CWA |
| EPCRA-08-2017-0001 | CLOVERDALE FOODS COMPANY | EPCRA |
| FIFRA-08-2011-0001 | AGBIO DEVELOPMENT, INC. | FIFRA |
| FIFRA-08-2015-0003 | sBIOMED, LLC. | FIFRA |
| FIFRA-08-2017-0001 | THATCHER COMPANY | FIFRA |
| SDWA-08-2012-0018 | LDS RECREATION PROPERTIES, LLC. - DARBY GIRLS CAMP WATER SYSTEM | SDWA |
| SDWA-08-2013-0058 | MACKAY INVESTMENTS, INC. | SDWA |
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