| Complaint Date | | Status | | Case |
|---|
 09/27/2016 | | Closed | | (SDWA-08-2016-0029) SUNDRIDGE ESTATES AND O&M SERVICES |
| 09/27/2016 | | Closed | | (SDWA-08-2016-0030) GARDENS NORTH HOMEOWNERS ASSOCIATION AND O&M SERVICES |
| 09/26/2016 | | Closed | | (CWA-08-2016-0018) WAGNER CONSTRUCTION |
| 09/23/2016 | | Closed | | (CAA-08-2016-0007) OTTO AND SONS, INC. |
| 09/23/2016 | | Closed | | (CWA-08-2016-0014) WHITING OIL AND GAS CORPORATION |
| 09/23/2016 | | Closed | | (EPCRA-08-2016-0002) OTTO AND SONS, INC. |
| 09/23/2016 | | Closed | | (EPCRA-08-2016-0003) VANCE BROTHERS, INC. |
| 09/22/2016 | | Closed | | (CAA-08-2016-0006) GR/RS/SW CO. JOINT POWERS WATER BOARD |
| 09/22/2016 | | Closed | | (SDWA-08-2016-0028) CEDAR HILLS WATER COMPANY |
| 09/20/2016 | | Closed | | (CWA-08-2016-0017) KANYON SPECIALTY CONTRACTORS, INC. |
| 09/20/2016 | | Closed | | (SDWA-08-2016-0026) ROBERTS TRAILER PARK PUBLIC WATER SYSTEM |
| 09/19/2016 | | Closed | | (RCRA-08-2016-0008) WES COLOMBE D.B.A ALLSTOP |
| 09/19/2016 | | Closed | | (SDWA-08-2016-0022) ROBERT VOLCIC |
| 09/19/2016 | | Closed | | (SDWA-08-2016-0023) HIGH MEADOW RANCH WATER DISTRICT |
| 09/19/2016 | | Closed | | (sdwa-08-2016-0024) LDS TEN SLEEP MEETINGHOUSE PUBLIC WATER SYSTEM |
| 09/19/2016 | | Closed | | (SDWA-08-2016-0025) FIREHOLE RECREATION AREA PUBLIC WATER SYSTEM |
| 09/19/2016 | | Closed | | (SDWA-08-2016-0027) CHIPPY'S KITCHEN LLC |
| 09/13/2016 | | Active | | (CWA-08-2016-0016) ROGER LOTHSPEICH |
| 09/13/2016 | | Closed | | (SDWA-08-2016-0021) RHP PROPERTIES, INC. & HIDDEN HILLS, LLC |
| 09/12/2016 | | Closed | | (CERCLA-08-2016-0007) MAZEPPAH MINE WASTE SITE |
| 09/12/2016 | | Closed | | (CWA-08-2016-0015) DAKOTA PETROLEUM TRANSPORT SOLUTIONS, LLC |
| 09/12/2016 | | Closed | | (SDWA-08-2016-0019) WEST END WATER DISTRICT |
| 09/12/2016 | | Closed | | (SDWA-08-2016-0020) SOLVAY CHEMICALS, INC. |
| 09/07/2016 | | Closed | | (CERCLA-08-2016-0006) EMPIRE STATE OIL Co. |
| 08/30/2016 | | Closed | | (CAA-08-2016-0005) CANARY DRILLING SERVICES, LLC |
| 08/26/2016 | | Active | | (RCRA-08-2016-0007) HARVEY OST OILFIELD SERVICES, LLC |
| 08/18/2016 | | Closed | | (CWA-08-2016-0013) BAYTEX ENERGY USA, LLC |
| 08/18/2016 | | Closed | | (FIFRA-08-2016-0009) WALMART |
| 08/18/2016 | | Closed | | (RCRA-08-2016-0006) HIGH PLAINS MOTORS, INC. |
| 08/18/2016 | | Closed | | (sdwa-08-2016-0018) USDA FOREST SERVICE, SHOSHONE NATIONAL FOREST SERVICE |
| 08/18/2016 | | Closed | | (TSCA-08-2016-0009) SUMMIT RENOVATIONS, INC. |
| 08/12/2016 | | Closed | | (SDWA-08-2016-0017) JERRY NICHOLS |
| 08/09/2016 | | Closed | | (CWA-08-2016-0012) PHOENIX PRODUCTION COMPANY |
| 08/08/2016 | | Closed | | (RCRA-08-2016-0005) THREE AFFILIATED TRIBES |
| 08/03/2016 | | Active | | (RCRA-08-2016-0004) US MAGNESIUM LLC |
| 08/02/2016 | | Closed | | (CWA-08-2016-0011) CC COMMUNITIES, LLC |
| 07/27/2016 | | Closed | | (CWA-08-2016-0010) FIELD #4, LLC & CONSTRUCTORS WEST, INC. |
| 07/26/2016 | | Closed | | (SDWA-08-2016-0016) USDA FOREST SERVICE, MEDICINE BOW-ROUTT NATIONAL FOREST & THUNDER BASIN |
| 07/25/2016 | | Closed | | (FIFRA-08-2016-0008) MARTIN RESOURCES |
| 07/21/2016 | | Closed | | (CWA-08-2016-0009) COBRA OIL & GAS CORPORATION |
| 07/18/2016 | | Closed | | (SDWA-08-2016-0014) RIDGEWATER IMPROVEMENT DISTRICT |
| 07/18/2016 | | Closed | | (SDWA-08-2016-0015) SWEETWATER IMPROVEMENT AND SERVICE DISTRICT |
| 07/13/2016 | | Closed | | (FIFRA-08-2016-0007) BIRKO CORPORATION |
| 07/07/2016 | | Closed | | (CWA-08-2016-0008) VEIT AND COMPANY, INC. |
| 07/06/2016 | | Closed | | (RCRA(CIT)-08-2016-0004) KYLE GROCERY, INC. |
| 07/06/2016 | | Closed | | (SDWA-08-2016-0013) US DEPARTMENT OF INTERIOR, NATIONAL PARK SERVICE, YELLOWSTONE NATIONAL PARK |
| 07/01/2016 | | Closed | | (SDWA-08-2016-0012) MOOSE HEAD RANCH, INC. |
| 06/30/2016 | | Closed | | (FIFRA-08-2016-0006) BIOXY USA, LLC |
| 06/22/2016 | | Closed | | (CAA-08-2016-0004) WILLISTON WATER TREATMENT PLANT |
| 06/22/2016 | | Closed | | (CERCLA-08-2016-0005) ANACONDA SMELTER SUPERFUND SITE & ATLANTIC RICHFIELD COMPANY |
| 06/22/2016 | | Closed | | (TSCA-08-2016-0007) COUGAR HOLDINGS, LLC |
| 06/22/2016 | | Closed | | (TSCA-08-2016-0008) BUECHLER CONSTRUCTION |
| 06/20/2016 | | Closed | | (SDWA-08-2016-0011) LT CAMPGROUNDS, LLC |
| 06/08/2016 | | Closed | | (SDWA-08-2016-0010) Y-O INVESTMENT, INC. |
| 05/31/2016 | | Closed | | (CERCLA-08-2016-0004) BULLION CANYON MILLS SITE - CROWN MINES LLC |
| 05/26/2016 | | Active | | (CERCLA-08-2016-0003) LINCOLN PARK SUPERFUND SITE |
| 05/19/2016 | | Closed | | (CAA-08-2016-0003) BONANZA CREEK ENERGY OPERATING |
| 05/16/2016 | | Closed | | (TSCA-08-2016-0006) L & S CONSTRUCTION, INC. |
| 05/12/2016 | | Closed | | (SDWA-08-2016-0009) SOLVAY CHEMICALS, INC. |
| 05/02/2016 | | Closed | | (TSCA-08-2016-0005) HOMEWRIGHTS, LLC |
| 04/22/2016 | | Closed | | (RCRA-08-2016-0003) DAVID MEYER |
| 04/20/2016 | | Closed | | (TSCA-08-2016-0004) KSK BUILDERS, LLC |
| 04/18/2016 | | Closed | | (SDWA-08-2016-0008) USDA FOREST SERVICE, CARIBOU-TARGHEE NATIONAL FOREST |
| 04/14/2016 | | Closed | | (CWA-08-2016-0007) BRENT'S BIFFIES, INC. |
| 03/31/2016 | | Closed | | (TSCA-08-2016-0003) CLOOTEN SIDING & WINDOW, INC. |
| 03/28/2016 | | Closed | | (SDWA-08-2016-0007) SAND CREEK TRADING POST, LLC |
| 03/17/2016 | | Closed | | (CWA-08-2016-0006) DENBURY ONSHORE, LLC |
| 03/11/2016 | | Closed | | (CAA-08-2016-0002) RED TRAIL ENERGY, LLC |
| 03/10/2016 | | Closed | | (CWA-08-2016-0005) KELLER HOMES, INC. |
| 03/10/2016 | | Closed | | (SDWA-08-2016-0005) TOWN OF WHEATLAND, WYOMING |
| 03/10/2016 | | Closed | | (SDWA-08-2016-0006) KEMMERER-DIAMONDVILLE JOINT POWERS BOARD |
| 03/02/2016 | | Closed | | (FIFRA-08-2016-0005) TACOMA AG, LLC. |
| 02/29/2016 | | Closed | | (CWA-08-2016-0004) SILCO OIL CO. |
| 02/29/2016 | | Closed | | (SDWA-08-2016-0004) CONOCOPHILLIPS COMPANY (Burlington Resources Lost Cabin Gas Plant) |
| 02/24/2016 | | Closed | | (SDWA-08-2016-0003) PACIFICORP ENERGY (Dave Johnston Power Plant) |
| 02/23/2016 | | Closed | | (FIFRA-08-2016-0004) BEDROOM GUARDIAN |
| 02/22/2016 | | Closed | | (CAA-08-2016-0001) LINN OPERATING, INC. |
| 02/17/2016 | | Closed | | (TSCA-08-2016-0002) JH & JH PROPERTIES, LLC. |
| 02/09/2016 | | Active | | (RCRA-08-2016-0002) OGLALA SIOUX TRIBE & REDSHIRT LANDFILL |
| 02/09/2016 | | Closed | | (SDWA-08-2016-0002) TOWN OF GRANGER, WYOMING |
| 02/04/2016 | | Closed | | (FIFRA-08-2016-0003) E. M. SYSTEMS, INC. |
| 01/20/2016 | | Closed | | (TSCA-08-2016-0001) THD AT-HOME SERVICES, INC. |
| 01/13/2016 | | Closed | | (FIFRA-08-2016-0002) ENERGY MIZER, INC. |
| 01/13/2016 | | Closed | | (RCRA(CIT)-08-2016-0002) GUS STOP #4080031 |
| 01/11/2016 | | Closed | | (FIFRA-08-2016-0001) POWER ENGINEERING COMPANY |
| 01/07/2016 | | Closed | | (SDWA-08-2016-0001) WARM SPRINGS WATER DISTRICT |
| 12/29/2015 | | Closed | | (RCRA-08-2016-0001) HOYT'S TOWING, INC. |
| 12/23/2015 | | Closed | | (RCRA(CIT)-08-2016-0001) SOUTH DAKOTA DEPARTMENT OF TRANSPORTATION - MISSION FACILITY |
| 11/30/2015 | | Active | | (CERCLA-08-2016-0002) COLUMBIA FALLS ALUMINUM PLANT a/k/a ANACONDA ALUMINUM CO., COLUMBIA FALLS REDUCT... |
| 11/12/2015 | | Active | | (CERCLA-08-2016-0001) SMURFIT STONE MILL SITE - INTERNATIONAL PAPER COMPANY; WESTROCK CP., LLC.; M2 GR... |
| 11/10/2015 | | Closed | | (CWA-08-2016-0003) KILGORE COMPANIES, LLC. |
| 10/27/2015 | | Closed | | (CWA-08-2016-0002) CITY OF BOZEMAN MONTANA |
| 10/15/2015 | | Closed | | (CWA-08-2016-0001) ASPEN VIEW HOMES, LLC.; COLA, LLC. |
| 09/30/2015 | | Closed | | (FIFRA-08-2015-0007) SPA PERFORMANCE AND SUPPLY, LLC. |
| 09/30/2015 | | Closed | | (FIFRA-08-2015-0008) MORGRO, INC. |
| 09/30/2015 | | Closed | | (SDWA-08-2015-0053) PACIFICORP ENERGY (DAVE JOHNSON PLANT) |
| 09/30/2015 | | Closed | | (SDWA-08-2015-0054) BEAR RIVER REGIONAL JOINT POWERS BOARD |
| 09/30/2015 | | Closed | | (SDWA-08-2015-0055) SSDA, LLC., - SNAKE RIVER MOBILE HOME PARK |
| 09/30/2015 | | Closed | | (SDWA-08-2015-0056) THE KINNEAR STORE, INC. |
| 09/29/2015 | | Active | | (CWA-08-2015-0029) CLEARWATER HOLDINGS, LLC. |
![[logo] US EPA](https://www3.epa.gov/epafiles/images/logo_epaseal.gif){kind=logo}