| Complaint Date | | Status | | Case |
|---|
 04/08/2019 | | Closed | | (CAA-08-2019-0008) PHILLIPS 66 COMPANY; AND CONOCOPHILLIPS COMPANY, BILLINGS REFINERY |
| 04/08/2019 | | Active | | (RCRA-08-2019-0002) DEPUY SYNTHES PRODUCTS, INC. |
| 04/02/2019 | | Closed | | (SDWA-08-2019-0015) TOWN OF SHOSHONI |
| 03/29/2019 | | Closed | | (FIFRA-08-2019-0013) NOVOZYMES BIOAG |
| 03/25/2019 | | Closed | | (SDWA-08-2019-0014) OGLALA SIOUX TRIBAL WATER & SEWER, WOUNDED KNEE WATER SYSTEM |
| 03/22/2019 | | Closed | | (SDWA-08-2019-0013) OGLALA SIOUX RURAL WATER SUPPLY SYSTEM AND OGLALA SIOUX TRIBAL WATER & SEWER, KY... |
| 03/20/2019 | | Active | | (CAA-08-2019-0006) KERR-MCGEE GATHERING LLC FORT LUPTON, PLATTE VALLEY, AND LANCASTER NATURAL GAS P... |
| 03/15/2019 | | Active | | (SDWA-08-2019-0012) DEPARTMENT OF INTERIOR, BUREAU OF INDIAN AFFAIRS, CROW AGENCY WATER SYSTEM |
| 03/12/2019 | | Active | | (CAA-08-2019-0005) DCP OPERATING COMPANY, LP GREELEY, KERSEY/MEWBOURN, PLATTEVILLE, ROGGEN, AND LAD... |
| 03/04/2019 | | Active | | (CAA-08-2019-0004) HIGHPOINT RESOURCES CORPORATION |
| 03/01/2019 | | Closed | | (SDWA-08-2019-0011) LAYNE BROWN HOBACK RV PARK PUBLIC WATER SYSTEM |
| 02/26/2019 | | Active | | (CAA-08-2019-0003) TARGA BADLANS LLC |
| 02/21/2019 | | Closed | | (CAA-08-2019-0002) TALLGRASS MIDSTREAM, LLC & TALLGRASS INTERSTATE GAS TRANSMISSION, LLC |
| 02/14/2019 | | Active | | (RCRA-08-2019-0001) TESTAMERICA LABORATORIES, INC. |
| 02/12/2019 | | Closed | | (EPCRA-08-2019-0001) INTEGRITY APPLIED SCIENCE INC |
| 02/11/2019 | | Closed | | (SDWA-08-2019-0009) SUE MILLER AND DAN MILLER, OWNERS (MILLER LOWER MOBILE HOME PARK) |
| 02/11/2019 | | Closed | | (SDWA-08-2019-0010) MOUNTAIN TOP BAPTIST ASSEMBLY |
| 02/06/2019 | | Closed | | (SDWA-08-2019-0008) BRIAN BLACK (SLOANES GENERAL STORE) |
| 02/05/2019 | | Closed | | (FIFRA-08-2019-0015) ARYSTA LIFESCIENCE NORTH AMERICA LLC |
| 12/27/2018 | | Closed | | (SDWA-08-2019-0006) JEFFREY CITY WATER & SEWER DISTRICT |
| 12/27/2018 | | Closed | | (SDWA-08-2019-0007) TOWN OF ALBIN, WYOMING |
| 12/20/2018 | | Closed | | (TSCA-08-2019-0001) METRO CONSTRUCTION, INC. |
| 12/18/2018 | | Closed | | (SDWA-08-2019-0005) JANET DONELAN (DEER HAVEN MOBILE HOME PARK) |
| 11/15/2018 | | Closed | | (CERCLA-08-2019-0001) ACM SMELTER AND REFINERY SITE, ATLANTIC RICHFIELD COMPANY & ARCO ENVIRONMENTAL R... |
| 11/14/2018 | | Closed | | (SDWA-08-2019-0003) CHIPPY'S KITCHEN LLC AND WILSON HARDWARE, INC. |
| 11/14/2018 | | Active | | (SDWA-08-2019-0004) LEISURE VALLEY, INC. |
| 11/01/2018 | | Closed | | (SDWA-08-2019-0002) FORT BERTHOLD RURAL WATER |
| 10/31/2018 | | Closed | | (SDWA-08-2019-0001) AMERICAN BAPTIST CHURCHES OF THE ROCKY MOUNTAINS |
| 10/29/2018 | | Active | | (CWA-08-2019-0001) THE CROW TRIBE, THE CROW TRIBE WATER RESOURCES DEPARTMENT, AND THE APSAALOOKE WA... |
| 10/22/2018 | | Closed | | (FIFRA-08-2019-0012) ECO-FRIENDLY BED BUG TRAPS |
| 10/10/2018 | | Closed | | (CAA-08-2019-0001) KINDER MORGAN ALTAMONT LLC |
| 09/27/2018 | | Closed | | (CAA-08-2018-0012) CLOVERDALE FOODS COMPANY |
| 09/27/2018 | | Closed | | (FIFRA-08-2018-0005) JUSTEQ, LLC |
| 09/27/2018 | | Closed | | (TSCA-08-2018-0006) ABBOTTS FIRE & FLOOD |
| 09/26/2018 | | Active | | (SDWA-08-2018-0036) THE ROCKY MOUNTAIN CONFERENCE OF 7TH DAY ADVENTISTS |
| 09/24/2018 | | Closed | | (FIFRA-08-2019-0011) ACTICIDE MV |
| 09/20/2018 | | Closed | | (SDWA-08-2018-0035) LAME DEER PUBLIC SCHOOLS |
| 09/20/2018 | | Closed | | (TSCA-08-2018-0005) VENEZIAS FINISHING TOUCH |
| 09/17/2018 | | Closed | | (CAA-08-2018-0010) Halcon Resources Corporation & Halcon Holdings, Inc. |
| 09/17/2018 | | Closed | | (CAA-08-2018-0011) AMPLIFY ENERGY CORP. |
| 09/13/2018 | | Active | | (SDWA-08-2018-0034) WARD CREEK LANDOWNERS ASSOCIATION |
| 09/04/2018 | | Closed | | (RCRA-08-2018-0003) WARWICK OIL GAS STATION |
| 08/09/2018 | | Closed | | (SDWA-08-2018-0033) ALTA COMMUNITY PIPELINE |
| 08/08/2018 | | Closed | | (CWA-08-2018-0013) C-2 CONSTRUCTION, INC. AND IRON MAN ENTERPRISES, LLC. |
| 08/02/2018 | | Closed | | (FIFRA-08-2019-0009) FRANKIE BEE FLEA & TICK ADJUSTABLE COLLAR |
| 08/02/2018 | | Closed | | (FIFRA-08-2019-0010) AQUCAR GA |
| 07/31/2018 | | Active | | (CAA-08-2018-0009) BASIN ELECTRIC POWER COOPERATIVE |
| 07/31/2018 | | Closed | | (CWA-08-2018-0010) TOM STUART CONSTRUCTION, INC. |
| 07/31/2018 | | Closed | | (CWA-08-2018-0011) GRAHAM CONSTRUCTION SERVICES, INC. |
| 07/31/2018 | | Closed | | (CWA-08-2018-0012) THE ROSEBUD SIOUX TRIBE-SEWER REVENUE DEPARTMENT |
| 07/31/2018 | | Closed | | (SDWA-08-2018-0030) KANOSH BAND OF THE PAIUTE INDIAN TRIBE OF UTAH |
| 07/31/2018 | | Closed | | (SDWA-08-2018-0031) ARAPAHO TRIBE OF THE WIND RIVER RESERVATION AND NORTHERN ARAPAHO WATER AND SEWER... |
| 07/31/2018 | | Closed | | (SDWA-08-2018-0032) FAIRVIEW WATER AND SEWER DISTRICT |
| 07/27/2018 | | Active | | (CERCLA-08-2018-0009) EAGLE MINE SUPERFUND SITE, BATTLE NORTH, LLC, AND BATTLE SOUTH, LLC |
| 07/27/2018 | | Closed | | (SDWA-08-2018-0028) TOWN OF GRANGER, WYOMING |
| 07/27/2018 | | Closed | | (SDWA-08-2018-0029) KULDIP SINGH, OWNER (GRANDMA'S iNN PUBLIC WATER SYSTEM) |
| 07/19/2018 | | Closed | | (SDWA-08-2018-0027) PRAIRIE MOUNTAIN UTILITIES AND GROS VENTRE AND ASSINIBOINE TRIBES OF THE FORT BE... |
| 07/18/2018 | | Active | | (SDWA-08-2018-0025) HEART BUTTE SCHOOL DISTRICT |
| 07/18/2018 | | Closed | | (SDWA-08-2018-0026) CARL RAY PACE (COZY MOBILE HOME PARK PUBLIC WATER SYSTEM) |
| 07/17/2018 | | Closed | | (SDWA-08-2018-0024) GUIDE ROCK, LTD AND FLYING X RANCH CORPORATION |
| 07/12/2018 | | Closed | | (SDWA-08-2018-0023) TOWN OF PAVILLION, WYOMING |
| 07/10/2018 | | Active | | (SDWA-08-2018-0022) RIVERMEADOWS WATER DISTRICT & JOHN RYAN |
| 07/05/2018 | | Closed | | (RCRA-08-2018-0002) Eagle Stop |
| 07/03/2018 | | Closed | | (SDWA-08-2018-0021) CITY OF CODY |
| 07/02/2018 | | Closed | | (CERCLA-08-2018-0008) FOURMILE WATERSHED COALITION, FOUR MILE FIRE PROTECTION DISTRICT |
| 06/27/2018 | | Closed | | (SDWA-08-2018-0020) CITY OF CASPER |
| 06/25/2018 | | Closed | | (SDWA-08-2018-0019) WHITAKER OIL INC. |
| 06/19/2018 | | Closed | | (SDWA-08-2018-0018) PRAIRIE MOUNTAIN UTILITIES AND GROS VENTRE & ASSINBOINE TRIBES OF THE FORT BELKN... |
| 06/13/2018 | | Closed | | (SDWA-08-2018-0017) TOWN OF COKEVILLE |
| 06/07/2018 | | Closed | | (SDWA-08-2018-0015) BLACKFEET SOLID WASTE MANAGEMENT (STARR SCHOOL WATER SYSTEM) |
| 06/07/2018 | | Closed | | (SDWA-08-2018-0016) BLACKFEET SOLID WASTE MANAGEMENT (BEDROCK/BABB WATER SYSTEM) |
| 06/07/2018 | | Closed | | (TSCA-08-2018-0004) SHEFFIELD HOMES FINISHED BASEMENTS AND MORE, LLC |
| 06/06/2018 | | Closed | | (CAA-08-2018-0008) KINDER MORGAN, INC. |
| 06/05/2018 | | Closed | | (CWA-08-2018-0009) CITY OF FARGO |
| 06/05/2018 | | Closed | | (RCRA(CIT)-08-2018-0001) BROWING SCHOOL DISTRICT MAINTENANCE FACILITY |
| 05/30/2018 | | Closed | | (CERCLA-08-2018-0007) EAGLE MINE SUPERFUND SITE |
| 05/24/2018 | | Closed | | (CAA-08-2018-0007) COLORADO INTERSTATE GAS COMPANY, LLC |
| 05/16/2018 | | Closed | | (SDWA-08-2018-0014) NORTHERN CHEYENNE UTILITY COMMISSION, LAME DEER |
| 05/14/2018 | | Active | | (SDWA-08-2018-0013) UTE INDIAN TRIBE & UTE TRIBE PUBLIC WORKS |
| 05/04/2018 | | Active | | (CERCLA-08-2018-0006) ACM Smelter & Refinery Site; Atlantic Richfield Company & ARCO Environmental Rem... |
| 05/03/2018 | | Active | | (CWA-08-2018-0008) ANADARKO MINERALS, INC. |
| 04/26/2018 | | Closed | | (CWA-08-2018-0007) WASATCH COMMERCIAL BUILDERS, LLC |
| 04/25/2018 | | Closed | | (CWA-08-2018-0006) FISHER SAND AND GRAVEL COMPANY |
| 04/11/2018 | | Closed | | (SDWA-08-2018-0011) BRUSH CREEK, LLC |
| 04/11/2018 | | Closed | | (SDWA-08-2018-0012) WYOMING DEPARTMENT OF STATE PARKS AND CULTURAL RESOURCES |
| 04/10/2018 | | Closed | | (CWA-08-2018-0004) HILL ENTERPRISES, INC. |
| 04/10/2018 | | Closed | | (CWA-08-2018-0005) FOXRIDGE DEVELOPMENT CORPORATION |
| 04/04/2018 | | Active | | (CAA-08-2018-0006) TARGAS RESOURCES CORPORATION |
| 04/04/2018 | | Closed | | (SDWA-08-2018-0010) LANCE CREEK WATER AND SEWER DISTRICT |
| 04/03/2018 | | Closed | | (SDWA-08-2018-0008) USDA FOREST SERVICE BLACK HILLS NATIONAL FOREST |
| 04/03/2018 | | Closed | | (SDWA-08-2018-0009) TOWN OF ALPINE |
| 03/16/2018 | | Active | | (CAA-08-2018-0004) WILLIAMS FOUR CORNERS LLC/IGNACIO GAS PLANT |
| 03/16/2018 | | Active | | (CAA-08-2018-0005) BARGATH LLC/PARACHUTE CREEK GAS PLANT |
| 03/16/2018 | | Closed | | (SDWA-08-2018-0007) CATHEDRAL HOME FOR CHILDREN |
| 03/15/2018 | | Closed | | (CERCLA-08-2018-0005) SUNNYSIDE GOLD CORPORATION |
| 03/14/2018 | | Closed | | (SDWA-08-2018-0005) LUCERN WATER AND SEWER DISTRICT |
| 03/14/2018 | | Closed | | (SDWA-08-2018-0006) TOWN OF COKEVILLE |
| 03/02/2018 | | Active | | (CAA-08-2018-0003) K.P. KAUFFMAN COMPANY, INC. |
| 02/26/2018 | | Closed | | (CWA-08-2018-0003) B&C QUICK TEST, INC. |
| 02/12/2018 | | Closed | | (CERCLA-08-2018-0004) GILT EDGE MINE SITE |
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