 02/26/2018 | CWA-08-2018-0003 | B&C QUICK TEST, INC. | CWA |
| 03/02/2018 | CAA-08-2018-0003 | K.P. KAUFFMAN COMPANY, INC. | CAA |
| 03/14/2018 | SDWA-08-2018-0005 | LUCERN WATER AND SEWER DISTRICT | SDWA |
| 03/14/2018 | SDWA-08-2018-0006 | TOWN OF COKEVILLE | SDWA |
| 03/15/2018 | CERCLA-08-2018-0005 | SUNNYSIDE GOLD CORPORATION | CERLCA |
| 03/16/2018 | CAA-08-2018-0004 | WILLIAMS FOUR CORNERS LLC/IGNACIO GAS PLANT | CAA |
| 03/16/2018 | CAA-08-2018-0005 | BARGATH LLC/PARACHUTE CREEK GAS PLANT | CAA |
| 03/16/2018 | SDWA-08-2018-0007 | CATHEDRAL HOME FOR CHILDREN | SDWA |
| 04/03/2018 | SDWA-08-2018-0008 | USDA FOREST SERVICE BLACK HILLS NATIONAL FOREST | SDWA |
| 04/03/2018 | SDWA-08-2018-0009 | TOWN OF ALPINE | SDWA |
| 04/04/2018 | CAA-08-2018-0006 | TARGAS RESOURCES CORPORATION | CAA |
| 04/04/2018 | SDWA-08-2018-0010 | LANCE CREEK WATER AND SEWER DISTRICT | SDWA |
| 04/10/2018 | CWA-08-2018-0004 | HILL ENTERPRISES, INC. | CWA |
| 04/10/2018 | CWA-08-2018-0005 | FOXRIDGE DEVELOPMENT CORPORATION | CWA |
| 04/11/2018 | SDWA-08-2018-0011 | BRUSH CREEK, LLC | SDWA |
| 04/11/2018 | SDWA-08-2018-0012 | WYOMING DEPARTMENT OF STATE PARKS AND CULTURAL RESOURCES | SDWA |
| 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 | SDWA-08-2018-0015 | BLACKFEET SOLID WASTE MANAGEMENT (STARR SCHOOL WATER SYSTEM) | SDWA |
| 06/07/2018 | SDWA-08-2018-0016 | BLACKFEET SOLID WASTE MANAGEMENT (BEDROCK/BABB WATER SYSTEM) | SDWA |
| 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 |
| 06/19/2018 | SDWA-08-2018-0018 | PRAIRIE MOUNTAIN UTILITIES AND GROS VENTRE & ASSINBOINE TRIBES OF THE FORT BELKNAP INDIAN COMMUNITY | 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 |
| 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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