Smaller places in Montana — page 3 of 6
Places with fewer than 20 listed facilities are grouped here — 1,715 facilities in all.
1 (…) · 2 (Anaconda…) · 3 (Colstrip…) · 4 (Gardiner…) · 5 (Olney…) · 6 (Thornton…)
| Place | Facility | Programs | Formal actions (5 yr) | Compliance status |
|---|---|---|---|---|
| Colstrip | PPL COLSTRIP ROSEBUD POWER PLANT | Air, Water, Hazardous waste | — | Violation Identified |
| Colstrip | PPL COLSTRIP STEAM ELECTRIC STATION | Air, Water, Hazardous waste | — | No Violation Identified |
| Colstrip | ROSEBUD COUNTY WESTERN ENERGY MINE | Water | — | Violation Identified |
| Colstrip | ROSEBUD MINE - MINE AREA AM5 | Water | — | No Violation Identified |
| Colstrip | VALLEY MOTOR SUPPLY CO COLSTRIP | Hazardous waste | — | No Violation Identified |
| Colstrip | WESTERN ENERGY COMPANY-TREATMENT PLANT | Drinking water | — | No Violation Identified |
| Colstrip | WESTERN ENERGY ROSEBUD MINE AREA F | Water | — | No Violation Identified |
| Colstrip | WESTMORELAND ROSEBUD MINING LLC | Hazardous waste | — | No Violation Identified |
| Colstrip | WWTP TO CEDAR WATER MAIN REPLACEMENT | Water | — | No Violation Identified |
| Columbus | COLUMBUS TOWN OF | Drinking water | — | No Violation Identified |
| Columbus | COLUMBUS HIGH SCHOOL | Hazardous waste | — | No Violation Identified |
| Columbus | COLUMBUS PROCESSING FACILITY | Hazardous waste | — | No Violation Identified |
| Columbus | COLUMBUS SCHOOL DISTRICT BUS BARN | Water | — | No Violation Identified |
| Columbus | MONTANA SILVERSMITHS INC | Air, Water, Hazardous waste | — | No Violation Identified |
| Columbus | MOUNTAIN RANGE RV PARK-TREATMENT PLANT WELL 1 | Drinking water | — | No Violation Identified |
| Columbus | MT DOT COLUMBUS MAINTENANCE SHOP | Hazardous waste | — | No Violation Identified |
| Columbus | OFTEDAL CONSTRUCTION - MDT NEAR COLUMBUS 318 | Water | — | No Violation Identified |
| Columbus | OLD TOWN PUMP COLUMBUS | Water | — | No Violation Identified |
| Columbus | PLATINUM CHEVROLET | Air | — | No Violation Identified |
| Columbus | SHERWOOD WATER STATION | Drinking water | — | No Violation Identified |
| Columbus | SMC PRECIOUS METALS SMELTER & BASE METAL REFY | — | — | — |
| Columbus | STAGE F/X INC | Hazardous waste | — | No Violation Identified |
| Columbus | STILLWATER MINING CO SMELTER | Air | — | No Violation Identified |
| Columbus | TIMBERWELD MFG | Hazardous waste | — | No Violation Identified |
| Columbus | TOWN OF COLUMBUS - WASTE WATER TREATMENT FACILITY | Water | — | Violation Identified |
| Condon | HUNGRY BEAR BAR & GRILL-TREATMENT PLANT | Drinking water | — | No Violation Identified |
| Condon | SHOUP AND LUND CONST INC - LINDBERGH LAKE (2) 318 PERMIT | Water | — | No Violation Identified |
| Condon | SHOUP AND LUND CONSTRUCTION INC LINDBERGH LAKE 318 PERMIT | Water | — | No Violation Identified |
| Condon | SWAN VALLEY ELEMENTARY SCHOOL DIST 33 | Drinking water | — | No Violation Identified |
| Conner | JOHN AND CAROL PETERSEN TRUST NEZ PERCE FORK 318 | Water | — | No Violation Identified |
| Conner | MONTANA DOT - EAST FORK BITTERROOT RIVER ERODED BANK 318 | Water | — | No Violation Identified |
| Conner | MT DEPT OF TRANSPORTATION - BITTERROOT RIVER 318 PERMIT | Water | — | No Violation Identified |
| Conrad | BNSF 8/17/2020 DERAILMENT CONRAD | Hazardous waste | — | No Violation Identified |
| Conrad | CITY OF CONRAD MOSQUITO ABATEMENT | Water | — | No Violation Identified |
| Conrad | CITY OF CONRAD WWTF | Water | — | No Violation Identified |
| Conrad | CONRAD CITY SHOP | Hazardous waste | — | No Violation Identified |
| Conrad | CONRAD TIRE CO | Hazardous waste | — | No Violation Identified |
| Conrad | CONRAD TIRE COMPANY STORAGE AREA | Hazardous waste | — | No Violation Identified |
| Conrad | CONRAD WATER DEPT | Drinking water | — | No Violation Identified |
| Conrad | COURTESY FORD | Hazardous waste | — | No Violation Identified |
| Conrad | MIDWAY COLONY INC-TREATMENT PLANT 2 | Drinking water | — | No Violation Identified |
| Conrad | MOUNTAIN VIEW CO-OP | — | 1 | — |
| Conrad | NELCON INC - MIDWAY COLONY GRAVEL PIT | Water | — | No Violation Identified |
| Conrad | NORTHERN MT JOINT REFUSE DISP DIST LF | Water | — | No Violation Identified |
| Conrad | SHUMAKER TRUCKING - CONRAD UNITED GRAIN FACILITY | Water | — | No Violation Identified |
| Conrad | VAN MOTORS INC | Hazardous waste | — | No Violation Identified |
| Conrad | ZOMER TRUCK CO | Hazardous waste | — | No Violation Identified |
| Cooke City | COOKE CITY WATER DISTRICT | Drinking water | — | No Violation Identified |
| Cooke City | YELLOWSTONE NATIONAL PARK PESTICIDE | Water | — | Violation Identified |
| Coram | BNSF RAILWAY CO - UNNAMED STREAM/DRAINAGE 318 PERMIT | Water | — | No Violation Identified |
| Coram | CORAM COUNTY WATER AND SEWER DISTRICT | Drinking water | 1 | No Violation Identified |
| Coram | HUNGRY HORSE CO WATER AND SEWER DISTRICT | Drinking water | — | No Violation Identified |
| Corwin Springs | CHURCH UNIVERSAL AND TRIUMPHANT - LADUKE HOTSPRING SWIMMING POOL | Water | — | Violation Identified |
| Corwin Springs | GOLDEN AGE VILLAGE | Drinking water | — | No Violation Identified |
| Craig | MORGEN & OSWOOD CONSTRUCTION CO INC MISSOURI RIVER 318 PERMIT | Water | — | No Violation Identified |
| Crane | ONEOK RICHLAND COUNTY BAKKEN PIPELINE 318 | Water | — | No Violation Identified |
| Crow Agency | BATTLEFIELD EXPRESS CENTER | — | — | No Violation Identified |
| Crow Agency | BUREAU OF INDIAN AFFAIRS-CROW AGENCY | Hazardous waste | — | No Violation Identified |
| Crow Agency | CROW AGENCY LAGOON | Water | — | No Violation Identified |
| Crow Agency | CROW AGENCY WTP - BIA | Water | — | No Violation Identified |
| Crow Agency | CROW IRRIGATION PROJECT BIG HORN TERMINAL DROP LONG CRESTED WEIR AND 1717 LCW | Water | — | No Violation Identified |
| Crow Agency | CROW TRIBE CONSTRUCTION YARD | Hazardous waste | — | No Violation Identified |
| Crow Agency | INDIAN HEALTH SERVICE CROW/NORTHERN CHEYENNE HOSPITAL | Hazardous waste | — | No Violation Identified |
| Crow Agency | LITTLE BIGHORN BATTLEFIELD NATIONAL MONUMENT | Hazardous waste | — | No Violation Identified |
| Crow Agency | US BUREAU OF INDIAN AFFAIRS CROW AGENCY | Hazardous waste | — | No Violation Identified |
| Crow Agency | USBIA CROW INDIAN RESERVATION IRRIGATION | Hazardous waste | — | No Violation Identified |
| Crow Agency | USBIA PRYOR DRUM SITE | Hazardous waste | — | No Violation Identified |
| Crow Agency | WYOLA WATER SYSTEM-TREATMENT PLANT | Drinking water | — | Violation Identified |
| Cushman | TAMIETTI CONSTRUCTION - MDOT MUSSELSHELL RIVER MK ME OF CUSHMAN BR9019(12) | Water | — | No Violation Identified |
| Cushman | TAMIETTI CONSTRUCTION MDOT MUSSELSHELL RIVER BELFRY NORTH 318 | Water | — | No Violation Identified |
| Custer | CATTLE DEVELOPMENT CENTER | Water | — | Violation Identified |
| Custer | CUSTER SCHOOL DIST NO 15-TREATMENT PLANT | Drinking water | — | Violation Identified |
| Custer | HILDER HERD PROPERTIES CO MAART 3-2 SITE | Water | — | Significant Violation |
| Custer | JUNCTION CITY SALOON-TREATMENT PLANT FOR WELL 1 | Drinking water | — | No Violation Identified |
| Custer | NORTHWESTERN ENERGY - BIGHORN RIVER TRANSMISSION TOWER STABILIZATION | Water | — | No Violation Identified |
| Custer | THE FORT AT 49 LLC-TREATMENT PLANT FOR WELL 2 | Drinking water | — | Violation Identified |
| Custer | VECTA OIL AND GAS - HEBERLE 33-28 WELL | Water | — | No Violation Identified |
| Darby | DALY DITCHES IRRIGATION DISTRICT - BITTERROOT RIVER 318 | Water | — | No Violation Identified |
| Darby | DARBY TOWN OF | Drinking water | — | Violation Identified |
| Darby | RBC SAND & GRAVEL INC. | Water | — | No Violation Identified |
| Darby | RYE CREEK LLC | Hazardous waste | — | No Violation Identified |
| Darby | S & W SAWMILL FACILITY | Hazardous waste | — | No Violation Identified |
| Darby | TOWN OF DARBY WWTF | Water | 1 | Violation Identified |
| Darby | TRAPPER CREEK JOB CORPS CENTER | Drinking water | — | No Violation Identified |
| Darby | TRIPLE CREEK RANCH-TREATMENT PLANT | Drinking water | 1 | No Violation Identified |
| Dayton | CEDAR PALACE LLC-TREATMENT PLANT | Drinking water | — | Inactive |
| Dayton | THE CHUCK WAGON BAR & GRILL LLC | Drinking water | — | No Violation Identified |
| Dell | LEON HIRSCH - HIGH MOUNTAIN RANCHES INC BIG SHEEP CREEK 318 PERMIT | Water | — | No Violation Identified |
| Dell | TURNER RANCH PROPERTIES - POND 308 PERMIT | Water | — | No Violation Identified |
| Denton | DENTON TOWN OF | Drinking water | — | Violation Identified |
| Denton | MK WEEDEN CONSTRUCTION - JELINEK PIT | Water | — | No Violation Identified |
| Denton | NGS SALES, INC. | — | — | — |
| Denton | SCHMITT LIVESTOCK LLC | Water | — | No Violation Identified |
| Denton | TOWN OF DENTON WWTP | Water | 1 | Violation Identified |
| Denton | WICKENS CONSTRUCTION MDT SAGE CREEK CROSSING | Water | — | No Violation Identified |
| Devon | TOOLE COUNTY ROAD DEPT | Water | — | Violation Identified |
| Divide | DICK ANDERSON MDOT BIG HOLE RIVER BRIDGE REPAIR | Water | — | No Violation Identified |
| Divide | MT DEPT OF TRANSPORTATION - DIVIDE CREEK (2) 318 PERMIT | Water | — | No Violation Identified |
| Divide | MT DEPT OF TRANSPORTATION - DIVIDE CREEK (3) 318 PERMIT | Water | — | No Violation Identified |
| Divide | MT DEPT OF TRANSPORTATION - DIVIDE CREEK 318 PERMIT | Water | — | No Violation Identified |
| Dixon | FLATHEAD POST & POLE | Hazardous waste | — | No Violation Identified |
| Dodson | DODSON TOWN OF | Drinking water | 1 | Violation Identified |
| Dodson | MALTA IRRIGATION DISTRICT DODSON DAM REPAIRS MILK RIVER 318 | Water | — | No Violation Identified |
| Dodson | SK CONSTRUCTION - DODSON CREEK 318 PERMIT | Water | — | No Violation Identified |
| Drummond | ANGELO CATTLE CO - CLARK FORK DRUMMOND 318 | Water | — | No Violation Identified |
| Drummond | DRUMMOND ELEMENTARY SCHOOL 2-WATER SOFTENER IN ELEMENTARY | Drinking water | — | No Violation Identified |
| Drummond | DRUMMOND HIGH SCHOOL 1-TREATMENT PLANT FOR WELL 1 | Drinking water | — | No Violation Identified |
| Drummond | DRUMMOND WASTE WATER TREATMENT FACILITY | Water | — | No Violation Identified |
| Drummond | GRANITE COUNTY WATER USERS ALLENDALE DITCH CO PESTICIDE | Water | — | No Violation Identified |
| Drummond | SWEDES CORNER BAR-TREATMENT PLANT | Drinking water | — | No Violation Identified |
| Drummond | TOWN OF DRUMMOND WWTP | Water | — | Significant Violation |
| Drummond | WAGON WHEEL LLC UNAPPROVED-TREATMENT PLANT FOR WELL 1 | Drinking water | — | No Violation Identified |
| Drummond | YELLOWSTONE PIPE LINE CO - FLINT CREEK 318 PERMIT | Water | — | No Violation Identified |
| Drummond | YELLOWSTONE PIPE LINE CO FLINT CREEK 318 | Water | — | No Violation Identified |
| Dupuyer | BUFFALO JOE'S-TREATMENT PLANT | Drinking water | — | No Violation Identified |
| Dupuyer | SHUMAKER TRUCKING & EXCAVATING - JENSEN COULEE & OTHER SITES 318 PERMIT | Water | — | No Violation Identified |
| Dutton | DUTTON TOWN OF | Drinking water | — | Violation Identified |
| Dutton | MOUNTAIN VIEW CO-OP | — | 1 | — |
| Dutton | TOWN OF DUTTON WASTEWATER TREATMENT FACILITY | Water | — | — |
| East Glacier Park | GLACIER BASECAMP LODGE-TREATMENT PLANT 1 | Drinking water | — | No Violation Identified |
| East Glacier Park | GLACIER PARK INC | Hazardous waste | — | No Violation Identified |
| East Glacier Park | GLACIER PARK INC MAINTENANCE SHOP | Hazardous waste | — | No Violation Identified |
| East Glacier Park | NORTHWESTERN ENERGY - SUMMIT CREEK 318 PERMIT | Water | — | No Violation Identified |
| East Glacier Park | NORTHWESTERN ENERGY - TWO MEDICINE RIVER 318 PERMIT | Water | — | No Violation Identified |
| East Glacier Park | WADSWORTH CONSTRUCTION MDOT 2 MEDICINE RIVER 318 | Water | — | No Violation Identified |
| East Missoula | CANYON RIVER GOLF CLUB SINGLE COUNTY PESTICIDE | Water | — | No Violation Identified |
| East Polson | DAYTON SCHOOL-SOFTENER | Drinking water | — | No Violation Identified |
| East Polson | VALLEY VIEW ELEMENTARY SCHOOL | Drinking water | 3 | No Violation Identified |
| Edgar | EDGAR BAR-TREATMENT PLANT 1 | Drinking water | — | No Violation Identified |
| Ekalaka | ARMSTRONG OPERATING - HAT CREEK FEDERAL 2 | Water | — | No Violation Identified |
| Ekalaka | BELLE FOURCHE PIPELINE CARTER COUNTY 318 | Water | — | No Violation Identified |
| Ekalaka | EKALAKA TOWN OF | Drinking water | — | No Violation Identified |
| Ekalaka | EKALAKA II PUMP STATION | Water | — | — |
| Ekalaka | FRANZ CONSTRUCTION - HEGGEN CREEK 318 | Water | — | No Violation Identified |
| Ekalaka | FRANZ CONSTRUCTION - LITTLE BEAVER CREEK 318 | Water | — | No Violation Identified |
| Ekalaka | GREG WILLIAMS RANCH INC | Water | — | No Violation Identified |
| Ekalaka | ONEOK CARTER COUNTY BAKKEN PIPELINE 318 | Water | — | No Violation Identified |
| Elliston | MONTANA RAIL LINK DOG CREEK BANK REHAB 318 | Water | — | No Violation Identified |
| Elliston | MONTANA RAIL LINK DOG CREEK ELLISTON BANK STABILIZATION 318 | Water | — | No Violation Identified |
| Elliston | YELLOWSTONE PIPE LINE CO LITTLE BLACKFOOT RIVER PIPE LINE REHAB 318 | Water | — | No Violation Identified |
| Elmo | WESTERN STONE, LLC | Water | — | — |
| Emigrant | AM WELLES INC OX YOKE RANCH MURPHY CREEK 318 | Water | — | No Violation Identified |
| Emigrant | ST FRANCIS SENIOR RESOURCES FACILITY | Water | — | No Violation Identified |
| Emigrant | XANTERRA EMPLOYEE HOUSING DEVELOPMENT | Water | — | No Violation Identified |
| Ennis | CEDAR LANE LLC - SHADOW RIDGE SUBDIVISION | Water | — | No Violation Identified |
| Ennis | ENNIS TOWN OF | Drinking water | — | No Violation Identified |
| Ennis | ENNIS WWTP | Water | — | Violation Identified |
| Ennis | MADISON DOUBLE R RANCH-TREATMENT PLANT | Drinking water | — | No Violation Identified |
| Ennis | MADISON COUNTY SHOP ENNIS | Hazardous waste | — | No Violation Identified |
| Ennis | MADISON LAUNDRY & CLEANER INC | Hazardous waste | — | No Violation Identified |
| Ennis | MADISON VALLEY BAPTIST CHURCH UNAPPROVED-DISINFECTION AND CARBON FILTER | Drinking water | — | No Violation Identified |
| Ennis | MCALLISTER LODGING-TREATMENT PLANT | Drinking water | — | No Violation Identified |
| Ennis | TOWN OF ENNIS MADISON RIVER 318 PERMIT | Water | — | No Violation Identified |
| Ennis | VALLEY GARDEN GOLF VILLAGE HOA | Drinking water | — | No Violation Identified |
| Essex | ESSEX COUNTY WATER AND OR SEWER DISTRICT-TP FOR ESSEX CREEK | Drinking water | — | Violation Identified |
| Essex | SANDRY CONSTRUCTION - MIDDLE FORK FLATHEAD 318 PERMIT | Water | — | No Violation Identified |
| Ethridge | BHE MONTANA ENERGY PARK SOLAR | Water | — | No Violation Identified |
| Eureka | CREEKSIDE MOTEL AND RV PARK | Drinking water | — | No Violation Identified |
| Eureka | EUREKA TOWN OF | Drinking water | — | No Violation Identified |
| Eureka | GIBBONS GARAGE | Hazardous waste | — | No Violation Identified |
| Eureka | KOOTENAI DEVELOPMENT CO BARNABY HEIGHTS PROJ | Water | — | No Violation Identified |
| Eureka | KSANKA MOTEL AND MINI MART-TREATMENT PLANT FOR WELL 1 2 | Drinking water | — | Violation Identified |
| Eureka | LINCOLN COUNTY HIGH SCHOOL | Hazardous waste | — | No Violation Identified |
| Eureka | LODGECRAFT FURNITURE | Hazardous waste | — | No Violation Identified |
| Eureka | NORTH COUNTRY MEDICAL CLINIC | Drinking water | — | No Violation Identified |
| Eureka | NORTH POINT BAR & GRILL-TREATMENT PLANT | Drinking water | — | No Violation Identified |
| Eureka | TOWN OF EUREKA WWTP | Water | 2 | Violation Identified |
| Eureka | US CBP ROOSVILLE PORT OF ENTRY #MT0008 | Drinking water | — | No Violation Identified |
| Eureka | WILDERNESS DEVELOPMENT - WILDERNESS CLUB | Water, Drinking water | — | No Violation Identified |
| Evaro | MONTANA WEST CO RTC - MONTANA WEST PROJECT EVARO TO MISSOULA SEGMENTS | Water | — | No Violation Identified |
| Fairfield | D & K AG SUPPLY | — | — | — |
| Fairfield | FAIRFIELD TOWN OF | Drinking water | — | No Violation Identified |
| Fairfield | GREENFIELD ELEM SCHOOL DIST 75-TP FOR WELL 1 | Drinking water | — | No Violation Identified |
| Fairfield | MILLS MOTORS | Hazardous waste | — | No Violation Identified |
| Fairfield | MOUNTAIN VIEW CO-OP | — | 1 | — |
| Fairfield | TOWN OF FAIRFIELD WWTP | Water | — | No Violation Identified |
| Fairfield | TRI COUNTY WATER DISTRICT | Drinking water | — | No Violation Identified |
| Fairview | FAIRVIEW TOWN OF-TREATMENT PLANT WELLS 6 7 | Drinking water | — | No Violation Identified |
| Fairview | FAIRVIEW STATION | Hazardous waste | — | No Violation Identified |
| Fairview | JOHNSON DEVELOPMENT - JOHNSON FAIRVIEW GRAVEL PIT | Water | — | No Violation Identified |
| Fairview | KNIFE RIVER CORP - DENNIS ANDERSON PIT SITE | Water | — | No Violation Identified |
| Fairview | LEVIATHAN CDP TO RICHALND STATION TRUNKLINE | Water | — | — |
| Fairview | RICHLAND COUNTY - JOHNSON PIT NO 2 | Water | — | No Violation Identified |
| Fairview | RICHLAND COUNTY CONSERVATION DIST MISSOURI RIVER 318 PERMIT | Water | — | No Violation Identified |
| Fairview | RICHLAND PARTNERS - RICHLAND RV AND INDUSTRIAL PARK | Water | — | No Violation Identified |
| Fairview | STRATA CORPORATION - STRATA YELLOWSTONE PLANT | Water | — | No Violation Identified |
| Fairview | STRATA CORPORATION - STRATA YELLOWSTONE PLANT | Water | — | No Violation Identified |
| Fairview | TN TRANSPORT | Water | — | No Violation Identified |
| Fairview | WESTERN GAS COMPRESSOR DISCHARGE | Water | — | — |
| Fairview | WOODROCK INC - FAIRVIEW | Water | — | No Violation Identified |
| Fallon | BAD ROUTE WEST BOUND SUPPORT SITE | Water | — | No Violation Identified |
| Ferndale | FRONTIER WEST LLC SWAN RIVER 318 PERMIT | Water | — | No Violation Identified |
| Fishtail | BEARTOOTH CHRISTIAN CAMP-TREATMENT PLANT | Drinking water | — | No Violation Identified |
| Fishtail | FIDDLER CREEK LLC FISHTAIL 318 | Water | — | No Violation Identified |
| Fishtail | STILLWATER COUNTY ROAD REHABILITATION | Water | — | No Violation Identified |
| Flaxville | FLAXVILLE TOWN OF | Drinking water | — | No Violation Identified |
| Florence | BACKYARD TAP HOUSE-TREATMENT PLANT | Drinking water | — | No Violation Identified |
| Florence | BITTERROOT TRAILS LLC - BITTERROOT RESORT | Water | — | No Violation Identified |
| Florence | DAVID L. TRENK ESTATE | Hazardous waste | — | No Violation Identified |
| Florence | EAGLE RESTORATION INC | Hazardous waste | — | No Violation Identified |
| Florence | FLORENCE CARLTON SCHOOL-TP FOR WELLS | Drinking water | — | No Violation Identified |
| Florence | GLENS CAFE-TREATMENT PLANT | Drinking water | — | No Violation Identified |
| Florence | NORTHWESTERN ENERGY BITTERROOT RIVER UTILITY RELOCATION | Water | — | No Violation Identified |
| Florence | PROMARK INC CHIEF LOOKING GLASS RD | Hazardous waste | — | No Violation Identified |
| Florence | RAVALLI COUNTY ROAD DEPT - UPPER WOODCHUCK ROAD PAVING PROJECT | Water | — | No Violation Identified |
| Florence | SOLID ROCK LANDSCAPING | Hazardous waste | — | No Violation Identified |
| Florence | TAMIETTI CONSTRUCTION MDOT BITTERROOT RIVER BRIDGE REPLACEMENT | Water | — | No Violation Identified |
| Floweree | MT WASTE SYSTEMS - HIGH PLAINS LANDFILL | Air, Water, Hazardous waste | — | Violation Identified |
| Forest Grove | FERGUS COUNTY ROAD DEPT - SOUTH FORK MCDONALD CREEK 318 | Water | — | No Violation Identified |
| Forsyth | BNSF RAILWAY CO - MILEPOST 129 FORSYTH 318 | Water | — | No Violation Identified |
| Forsyth | CITY OF FORSYTH | Water | — | No Violation Identified |
| Forsyth | FORSYTH CITY OF | Drinking water | — | No Violation Identified |
| Forsyth | FORSYTH HIGH SCHOOL | Hazardous waste | — | No Violation Identified |
| Forsyth | FORSYTH WWTP | Water | — | No Violation Identified |
| Forsyth | IIG- FORSYTH TO MILES CITY | Water | — | No Violation Identified |
| Forsyth | MARTIN CONSTRUCTION - ROSEBUD COUNTY CULVERTS 318 | Water | — | No Violation Identified |
| Forsyth | PPL MONTANA LLC - YELLOWSTONE RIVER 318 PERMIT | Water | — | No Violation Identified |
| Forsyth | PRINCE INC - 777-2576 | Hazardous waste | — | No Violation Identified |
| Forsyth | RIVERSIDE CONTRACTING MULTIPLE SITE MDOT 318 | Water | — | No Violation Identified |
| Fort Benton | CENTRAL MONTANA COOP - SHUTTLE TRAIN FACILITY | Water | — | No Violation Identified |
| Fort Benton | CHS BIG SKY- KERSHAW | Air | — | No Violation Identified |
| Fort Benton | CITY OF FORT BENTON - GRAVEL PIT | Water | — | Violation Identified |
| Fort Benton | CITY OF FORT BENTON PESTICIDE | Water | — | No Violation Identified |
| Fort Benton | COAL BANKS LANDING BLM-TREATMENT PLANT | Drinking water | — | No Violation Identified |
| Fort Benton | FORT BENTON CITY OF | Drinking water | — | No Violation Identified |
| Fort Benton | FORT BENTON WWTP | Water | — | No Violation Identified |
| Fort Benton | IVANS TIRE | Hazardous waste | — | No Violation Identified |
| Fort Benton | JOYCE FUEL & FEEDS, INC. | — | 1 | — |
| Fort Benton | L & M MANUFACTURING | Hazardous waste | — | No Violation Identified |
| Fort Benton | MOUNTAIN VIEW CO-OP | — | 1 | — |
| Fort Benton | WILRAY INC | Hazardous waste | — | No Violation Identified |
| Fort Harrison | CHERRY CREEK BIVOUAC SITE | Water | — | No Violation Identified |
| Fort Harrison | MONTANA STATE VETERANS CEMETERY | Water | — | No Violation Identified |
| Fort Harrison | MT ARNG FORT HARRISON | Hazardous waste | — | No Violation Identified |
| Fort Harrison | U.S. ARMY NATIONAL GUARD FORT HARRISON RANGES | — | — | — |
| Fort Harrison | VA MT HLTH CARE SYSTEMS FORT HARRISON | Hazardous waste | — | No Violation Identified |
| Fort Peck | DRL CORPORATION - SPILLWAY AND SUPPORT STRUCTURE ROADS AND DRAINS | Water | — | No Violation Identified |
| Fort Peck | FORT PECK PROJECT | Water, Hazardous waste | — | No Violation Identified |
| Fort Peck | FORT PECK RURAL COUNTY WATER DISTRICT | Drinking water | — | No Violation Identified |
| Fort Peck | FORT PECK TOWN OF | Drinking water | — | No Violation Identified |
| Fort Peck | LESS THAN THRESHOLDMULTIPLE COUNTY | Water | — | No Violation Identified |
| Fort Peck | ROCK CREEK MARINA LLC-TP FOR FT PECK RESERVOIR | Drinking water | — | No Violation Identified |
| Fort Peck | TOWN OF FORT PECK WWTF | Water | — | No Violation Identified |
| Fort Peck | US ARMY COE FT PECK PROJ VALLEY COUNTY EWM PESTICIDE | Water | — | Unknown |
| Fort Peck | USDOD ARMY CORP OF ENGINEERS FORT PECK | Hazardous waste | — | No Violation Identified |
| Fort Shaw | DENNING #2 PI SITE | Water | — | No Violation Identified |
| Fort Shaw | ELK CREEK MENNONITE CHURCH-TREATMENT PLANT | Drinking water | — | No Violation Identified |
| Fort Smith | FORT SMITH WATER & SEWER DISTRICT | Water | — | No Violation Identified |
| Fort Smith | USBOR-YELLOWTAIL DAM WASTEWATER FACILITY | Water | — | No Violation Identified |
| Fort Smith | USBR YELLOWTAIL DAM | Hazardous waste, Drinking water | — | No Violation Identified |
| Fortine | CRYSTAL LAKES UTILITY COMPANY | Drinking water | — | No Violation Identified |
| Fortine | EUREKA DEVELOPMENT GRAVE CREEK 318 PERMIT | Water | — | No Violation Identified |
| Fortine | FORTINE SCHOOL DISTRICT 14-TP FOR WELL 1 | Drinking water | — | No Violation Identified |
| Fortine | JERRYS SALOON-TREATMENT PLANT | Drinking water | — | No Violation Identified |
| Fortine | WEYDEMEYER TIMBER & CATTLE FUEL STORAGE | Hazardous waste | — | No Violation Identified |
| Four Corners | LOT 3 OF AXTELL DISTRICT MINOR SUBDIVISION | Water | — | No Violation Identified |
| Four Corners | PROSPERO LLC - LOT 7 CONDOS SUBDIV. NORTHSTAR COMMERCIAL SUBDIV. PHASE 2 | Water | — | No Violation Identified |
| Frazer | FRAZER PUMP STATION ACCESS ROAD PROJECT | Water | — | No Violation Identified |
| Frazer | HARVEY OST OILFIELD SERVICES | Hazardous waste | — | Violation |
| Frenchtown | CLARK FORK CATTLE CO - CLARK FORK RIVER 318 | Water | — | No Violation Identified |
| Frenchtown | EL MAR ESTATES MSLA CO WATER AND SEWER | Drinking water | — | No Violation Identified |
| Frenchtown | FORLORN HOPE LLC | Drinking water | — | Violation Identified |
| Frenchtown | FRENCHTOWN ELEMENTARY SCHOOL DIST 40-TP DELETED WELL AT OLD JUNIOR HIGH | Drinking water | — | No Violation Identified |
| Frenchtown | FRENCHTOWN HIGH SCHOOL-TP HYPOCHLORINATION FOR WELL 1 | Drinking water | — | No Violation Identified |
| Frenchtown | FRENCHTOWN SCHOOL DISTRICT 40 | Water | — | No Violation Identified |
| Frenchtown | FRENCHTOWN SHOPPING CENTER | Drinking water | — | No Violation Identified |
| Frenchtown | NEW WAREHOUSE | Water | — | No Violation Identified |
| Frenchtown | ST JOHN THE BAPTIST CHURCH-TP FOR WELL 2 | Drinking water | — | No Violation Identified |
| Frenchtown | STEVE MCAFEE - BANK STABLIZATION - CLARK FORK RIVER AT FRENCHTOWN | Water | — | No Violation Identified |
| Froid | FROID TOWN OF | Drinking water | — | No Violation Identified |
| Froid | WHITING OIL AND GAS CORP - STARBUCK FIELD | Water | — | No Violation Identified |
| Fromberg | FROMBERG TOWN OF | Drinking water | — | Violation Identified |
| Fromberg | FROMBERG WASTEWATER TREATMENT FACILITY | Water | 6 | Violation Identified |
| Fromberg | MORGEN & OSWOOD CONSTRUCTION - 2ND CLARKS FORK RIVER 318 PERMIT | Water | — | No Violation Identified |
| Fromberg | MORGEN & OSWOOD CONSTRUCTION CO INC CLARKS FORK 318 PERMIT | Water | — | No Violation Identified |
| Galata | FRASERS OIL, INC. | — | 1 | — |
| Galata | GALATA COUNTY WATER DISTRICT | Drinking water | — | No Violation Identified |
| Galen | MT BEHAVIORAL HEALTH INC WWTP | Water | — | No Violation Identified |
| Gallatin Gateway | ASPEN SPRINGS WAREHOUSE AND GROW FACILITIES | Water | — | No Violation Identified |
| Gallatin Gateway | BFH HOLDINGS CI LOT 1 | Water | — | No Violation Identified |
| Gallatin Gateway | GALLATIN GATEWAY COUNTY WATER AND SEWER DIST WWF | Water | — | No Violation Identified |
| Gallatin Gateway | GATEWAY VILLAGE WASTEWATER FACILITY | Water | — | No Violation Identified |
| Gallatin Gateway | GENESIS BUSINESS PARK-TREATMENT PLANT FOR WELLS 1 2 3 | Drinking water | 1 | Violation Identified |
| Gallatin Gateway | MORGAN FAMILY LLC SITE #1737 | Water | — | No Violation Identified |
| Gallatin Gateway | OPHIR SCHOOL DISTRICT # 72 | Water | — | Violation Identified |
| Gallatin Gateway | ROCK LLC - NUSS PIT | Water | — | No Violation Identified |
| Gallatin Gateway | THE QUARRY | Water | — | No Violation Identified |
| Gallatin Gateway | TMC INC - NUSS PIT | Water | — | No Violation Identified |
| Gallatin Gateway | TOWN CENTER HOTEL | Hazardous waste | — | No Violation Identified |
| Gardiner | ALTAMURA PROPERTY SIX MILE CREEK 308 PERMIT | Water | — | No Violation Identified |
| Gardiner | CHURCH UNIVERSAL AND TRIUMPHANT LADUKE HOT SPRINGS WATER LINE PROJECT | Water | — | No Violation Identified |
| Gardiner | GARDINER PARK CO WATER DIST | Drinking water | — | No Violation Identified |
| Gardiner | GARDINER WASTEWATER TREATMENT FACILITY | Water | — | Violation Identified |
| Gardiner | MICHAEL RUHL - NATIONAL PARK SERVICE YELLOWSTONE PARK | Water | — | No Violation Identified |
| Gardiner | TVX MINERAL HILL MINE | Water, Hazardous waste | — | No Violation Identified |
| Gardiner | XANTERRA PARKS & RESORTS INC | Hazardous waste | — | No Violation Identified |
| Gardiner | XANTERRA PARKS AND RESORTS - GARDINER SERVICE CENTER | Water | — | Significant Violation |
| Gardiner | YELLOWSTONE NATIONAL PARK - GARDINER RIVER DEBRIS REMOVAL | Water | — | No Violation Identified |
| Gardiner | YELLOWSTONE NATIONAL PARK BLACKTAIL DEER CREEK BRIDGE REPLACEMENT 318 | Water | — | No Violation Identified |
| Gardiner | YELLOWSTONE NATIONAL PARK GARDNER RIVER 318 | Water | — | No Violation Identified |
Alphabetical order — this site ranks no one. Figures as published by the EPA in ECHO for the last five years. Select a name for identifiers (EPA ID, NPDES, air), program-by-program status and the quarterly history. How to read this.