Smaller places in Montana — page 5 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 |
|---|---|---|---|---|
| Olney | GLACIER GOLD LLC | Water | — | No Violation Identified |
| Olney | MT DEPT OF NATURAL RESOURCES SWIFT CREEK ETC. 318 PERMIT | Water | — | No Violation Identified |
| Opheim | OPHEIM TOWN OF | Drinking water | — | No Violation Identified |
| Opheim | PRO CO-OP | — | 1 | — |
| Opheim | RANDOLPH CONSTRUCTION - OPHEIM LAND PORT OF ENTRY | Water | — | No Violation Identified |
| Opheim | TCA INC MDT ROCK CREEK BRIDGE REPLACEMENT 318 | Water | — | No Violation Identified |
| Opheim | TRANSCANADA KEYSTONE PIPELINE VALLEY COUNTY 318 | Water | — | No Violation Identified |
| Outlook | OUTLOOK COUNTY WATER AND SEWER DISTRICT | Drinking water | — | No Violation Identified |
| Ovando | SLETTEN CONSTRUCTION - ARRASTRA CREEK 318 PERMIT | Water | — | No Violation Identified |
| Pablo | ARLEE-TREATMENT PLANT/PUMP HOUSE | Drinking water | — | No Violation Identified |
| Pablo | BIG ARM WATER SYSTEM-TREATMENT PLANT IRON REMOVAL | Drinking water | — | No Violation Identified |
| Pablo | GRAY WOLF CASINO-NEW CASINO TREATMENT PLANT | Drinking water | — | No Violation Identified |
| Pablo | HOULE VILLA WATER SYSTEM-TREATMENT PLANT | Drinking water | — | No Violation Identified |
| Pablo | MISSION VALLEY POWER | Hazardous waste | — | No Violation Identified |
| Pablo | PABLO LAKE COUNTY WATER AND SEWER DIST | Drinking water | — | No Violation Identified |
| Pablo | QUALITY AUTO SALES | Hazardous waste | — | No Violation Identified |
| Pablo | S&K ELECTRONICS-TREATMENT PLANT/PUMP HOUSE | Drinking water | — | Violation Identified |
| Pablo | SHULTZ REFRIGERATION PROPERTY | Hazardous waste | — | No Violation Identified |
| Pablo | ST. IGNATIUS, TOWN OF | Water | — | No Violation Identified |
| Pablo | WOODCOCK HOME ADDITION | Water | — | No Violation Identified |
| Pablo | WOODCOCK WATER SYSTEM-TREATMENT PLANT | Drinking water | — | No Violation Identified |
| Paradise | BN PARADISE TIE PLANT | Hazardous waste | — | No Violation Identified |
| Paradise | MCMILLAN POST DEVELOPMENT - FRENCH PARCEL B | Water | — | No Violation Identified |
| Paradise | MRL - REPAIR AGING RAILROAD BRIDGE PIERS | Water | — | No Violation Identified |
| Paradise | QUINNS HOT SPRINGS RESORT-TREATMENT PLANT | Drinking water | — | No Violation Identified |
| Paradise | SANDERS COUNTY SEWER DISTRICT AT PARADISE | Water | — | — |
| Paradise | SANDERS COUNTY WATER DISTRICT | Drinking water | — | No Violation Identified |
| Park City | BULLSEYE FEEDLOT - PARK CITY UNIT | Water | — | No Violation Identified |
| Park City | PARK CITY COUNTY WASTEWATER TREATMENT FACILITY | Water | — | Violation Identified |
| Park City | PARK CITY TRANSLOADER | Hazardous waste | — | No Violation Identified |
| Park City | SCOTSMAN BAR AND CAFE-TREATMENT PLANT FOR WELL 1 | Drinking water | — | No Violation Identified |
| Park City | T & C CATTLE FEEDERS INC - FEEDLOTS | Water | — | No Violation Identified |
| Park City | WESTERN PUMP & EXCAVATION LLC - PARK CITY SEWER LIFT STATION & TRUNK LINE | Water | — | No Violation Identified |
| Park City | ZIP TRIP | Hazardous waste | — | No Violation Identified |
| Peerless | SK CONSTRUCTION INC - UNNAMED TRIB TO W FORK POPLAR RIVER 318 PERMIT | Water | — | No Violation Identified |
| Pendroy | BOX R BAR UNAPPROVED-TREATMENT PLANT | Drinking water | 1 | Inactive |
| Philipsburg | ANACONDA BENCH SAPPHIRE MINE | Water | — | No Violation Identified |
| Philipsburg | ASARCO - BLACK PINE MINE | Water, Drinking water | — | No Violation Identified |
| Philipsburg | CONTACT MINING CO | Water | — | Violation Identified |
| Philipsburg | CONTACT MINING COMPANY | Hazardous waste | — | No Violation Identified |
| Philipsburg | FIDELITY NATIONAL TIMBER RESOURCES TROUT CREEK 318 | Water | — | No Violation Identified |
| Philipsburg | GOLDEN JUBILEE MINE | Water | — | No Violation Identified |
| Philipsburg | GOLDEN JUBILEE MINE | Water | — | Violation Identified |
| Philipsburg | GRANITE COUNTY CLARK FORK RIVER 308 | Water | — | No Violation Identified |
| Philipsburg | HALL CONSTRUCTION SERVICES ROCK CREEK 318 PERMIT | Water | — | No Violation Identified |
| Philipsburg | PHILIPSBURG TOWN OF | Drinking water | 3 | Violation Identified |
| Philipsburg | SAPPHIRE RANCH MINE | Water | 2 | No Violation Identified |
| Philipsburg | SAPPHIRE RANCH MINE | Water | — | — |
| Philipsburg | SUNSHINE ROAD WAREHOUSE | Water | — | No Violation Identified |
| Philipsburg | TOWN OF PHILIPSBURG WWTP | Water | — | No Violation Identified |
| Philipsburg | YELLOW DOG MINE | Water | — | Significant Violation |
| Phillipsburg | GOLDEN JUBLIEE MINE | Water | — | No Violation Identified |
| Pine Grove | PINE GROVE WASTEWATER TREATMENT FACILITY | Water | — | — |
| Pinesdale | PINESDALE TOWN OF | Drinking water | — | No Violation Identified |
| Plains | DEEMER CREEK BUSINESS PARK-TREATMENT PLANT | Drinking water | — | No Violation Identified |
| Plains | MRL CLARK FORK RAILROAD BRIDGE 318 | Water | — | No Violation Identified |
| Plains | PLAINS LANDFILL | Hazardous waste | — | No Violation Identified |
| Plains | PLAINS PHYSICAL THERAPY CLINIC-PERMANMENT CHLORINATION SYSTEM | Drinking water | — | No Violation Identified |
| Plains | PLAINS TOWN OF | Drinking water | — | No Violation Identified |
| Plains | TOWN OF PLAINS TERRACON CLARK FORK 318 | Water | — | No Violation Identified |
| Plains | TOWN OF PLAINS WWTP | Water | — | No Violation Identified |
| Plains | WILDHORSE SPORTS ASSOCIATION COMPLEX | Water | — | No Violation Identified |
| Plentywood | ABRAXAS PETROLEUM CORP STATE 2 16 | Water | — | No Violation Identified |
| Plentywood | BORDER STEEL - PLENTYWOOD | Water | — | Violation Identified |
| Plentywood | CITY OF PLENTYWOOD | Water | — | Violation Identified |
| Plentywood | CURTISS FARM & AUTO | Hazardous waste | — | No Violation Identified |
| Plentywood | FARMERS UNION OIL COMPANY PLENTYWOOD | Hazardous waste | — | No Violation Identified |
| Plentywood | HOLTAN AUTO BODY INC | Hazardous waste | — | No Violation Identified |
| Plentywood | KIM OR KEVIN PRICE - POLE BARN CONSTRUCTION PROJECT | Water | — | No Violation Identified |
| Plentywood | PLENTYWOOD WATER DEPARTMENT | Drinking water | — | No Violation Identified |
| Plentywood | TOWN OF PLENTYWOOD PHASE ONE WATER SYSTEM IMPROVEMENTS PROJECT | Water | — | No Violation Identified |
| Plentywood | TRANSCANADA KEYSTONE PIPELINE SHERIDAN COUNTY 318 | Water | — | No Violation Identified |
| Plentywood | WILDCAT PROPERTIES - PRO TANK PRODUCTS | Water | — | No Violation Identified |
| Plevna | PLEVNA TOWN OF | Drinking water | — | No Violation Identified |
| Plevna | TEXON CRUDE OIL OPERATING - BAKER CRUDE OIL STATION | Water | — | No Violation Identified |
| Plevna | TOWN OF PLEVNA LAGOON | Water | — | No Violation Identified |
| Polaris | MAVERICK MOUNTAIN RESORT LLC-SEDIMENT FILTER INSIDE LODGE | Drinking water | — | No Violation Identified |
| Polebridge | GLACIER NATIONAL PARK ANACONDA CREEK 318 PERMIT | Water | — | No Violation Identified |
| Pompeys Pillar | POMPEYS PILLAR NATIONAL MONUMENT ROCK STABILIZATION | Water | — | No Violation Identified |
| Poplar | ABC AUTOMOTIVE | Hazardous waste | — | No Violation Identified |
| Poplar | AZURE'S T-BIRD AUTO BODY | Hazardous waste | — | No Violation Identified |
| Poplar | CENEX - AGLAND CO-OP | Hazardous waste | — | No Violation Identified |
| Poplar | FARMERS UNION OIL - AGLAND CO-OP | — | — | No Violation Identified |
| Poplar | FORT PECK COMMUNITY COLLEGE | Hazardous waste | — | No Violation Identified |
| Poplar | FORT PECK TECH SERVICES | Hazardous waste | — | No Violation Identified |
| Poplar | LEINEN BROTHERS | Hazardous waste | — | No Violation Identified |
| Poplar | MARTIN CONSTRUCTION MDT ROOSEVELT COUNTY CULVERT 318 | Water | — | No Violation Identified |
| Poplar | NORTHERN BORDER PIPELINE COMPANY | Water | — | No Violation Identified |
| Poplar | POPLAR LANDFILL | Hazardous waste | — | No Violation Identified |
| Poplar | POPLAR MUNICIPAL AIRPORT | Hazardous waste | — | No Violation Identified |
| Poplar | POPLAR STATION | Hazardous waste | — | No Violation Identified |
| Poplar | POPLAR, TOWN OF | Water | — | Significant Violation |
| Poplar | THE BODY SHOP | Hazardous waste | — | No Violation Identified |
| Poplar | TRADERS DEN | Hazardous waste | — | No Violation Identified |
| Power | 3 RIVERS TELEPHONE COOP - POWER FTTH | Water | — | No Violation Identified |
| Power | MATL LLP - UNNAMED WETLAND TETON COUNTY NEAR POWER 318 | Water | — | No Violation Identified |
| Power | MATL LLP MARIAS SEGMENT MULTIPLE WETLAND POWER COUNTY 318 | Water | — | No Violation Identified |
| Power | MOUNTAIN VIEW C0-OP - POWER | — | 1 | — |
| Power | POWER TETON COUNTY WATER DIST | Drinking water | — | No Violation Identified |
| Power | POWER WATER TREATMENT PLANT | Water | — | No Violation Identified |
| Pray | NORTH FORK LLC - MILL CREEK 318 PERMIT | Water | — | No Violation Identified |
| Proctor | GRAHAM EXCAVATING - PROCTOR CONTAINER SITE | Water | — | No Violation Identified |
| Pryor | PLENTY COUPS HIGH SCHOOL | — | — | No Violation Identified |
| Pryor | PRYOR WASTEWATER TREATMENT FACILITY | Water | — | — |
| Ramsay | MONTANA LIVESTOCK AUCTION INC | Water | — | No Violation Identified |
| Ramsay | RAMSAY SCHOOL DISTRICT-TP FOR WELL 1 | Drinking water | — | No Violation Identified |
| Ramsay | RAMSAY WATER AND SEWER DISTRICT | Drinking water | — | No Violation Identified |
| Ravalli | TOWN OF STEVENSVILLE | Water | — | No Violation Identified |
| Raymond | RAYMOND PORT OF ENTRY BE# MT0050 | — | — | — |
| Raynesford | NORTHWESTERN ENERGY INTERMITTENT STREAM POLE INSTALLATION 318 | Water | — | No Violation Identified |
| Redstone | SOUTHWESTERN ENERGY - BEDWELL | Water | — | No Violation Identified |
| Redstone | WICKENS CONSTRUCTION MDOT REDSTONE 318 | Water | — | No Violation Identified |
| Reed Point | MONTANA DOT STPB 48044 BRIDGE REMOVAL | Hazardous waste | — | No Violation Identified |
| Reed Point | REED POINT HIGH SCHOOL AND GYM-TREATMENT PLANT 3 MAIN SCHOOL GYM | Drinking water | — | No Violation Identified |
| Reserve | ENBRIDGE PIPELINES (ND) LLC - RESERVE STATION | Hazardous waste | — | No Violation Identified |
| Reserve | TOWN OF RESERVE LAGOON | Water | — | — |
| Rexford | REXFORD TOWN OF | Drinking water | — | No Violation Identified |
| Rexford | WEST KOOTENAI COMMUNITY CHURCH-TREATMENT PLANT | Drinking water | — | No Violation Identified |
| Richey | CHEVRON ENVIR MGMT PIPELINE REMOVAL MULTI-COUNTY 318 | Water | — | No Violation Identified |
| Richey | CHEVRON ENVIRONMENTAL MGMT URS CORP PASTURE CREEK 318 | Water | — | No Violation Identified |
| Richey | NWENVTDP33 WELDON GATHERING SYSTEM | Hazardous waste | — | No Violation Identified |
| Richey | RICHEY | Hazardous waste | — | No Violation Identified |
| Richey | RICHEY TOWN OF | Drinking water | — | No Violation Identified |
| Richland | LEWIS & CLARK | Air, Water, Hazardous waste | — | No Violation Identified |
| Richland | PUTNAM STATION | Hazardous waste | — | No Violation Identified |
| Richland County | BULLWINKLE YAHOO 4-1-HSU | Air | — | No Violation Identified |
| Richland County | CHRISTIANSEN 14X 9 | Air | — | No Violation Identified |
| Richland County | EAGLE CTB | Air | — | No Violation Identified |
| Richland County | FLETCH CTB | Air | — | No Violation Identified |
| Richland County | FOGHORN ERVINE 20-3 | Air | — | No Violation Identified |
| Richland County | GROSKINSKY 44X6 | Air | — | No Violation Identified |
| Richland County | LARSON 8 28 | Air | — | No Violation Identified |
| Richland County | NATASHA DAVE 35-15 | Air | — | No Violation Identified |
| Richland County | OBERGFELL TRUST AND NANCY LEE | Air | — | No Violation Identified |
| Richland County | PEANUT FRANZ 22-4 | Air | — | No Violation Identified |
| Richland County | WARREN 15-22 | Air | — | No Violation Identified |
| Roberts | ROBERTS WUA CARBON CO WATER AND SEWER | Drinking water | — | No Violation Identified |
| Rock Springs | CLEARWATER WIND II, LLC | Water | — | No Violation Identified |
| Rock Springs | CLEARWATER WIND III, LLC | Water | — | No Violation Identified |
| Rocker | ROCKER WWTP | Water | — | — |
| Rocky Boy | MK WEEDEN CONSTRUCTION - HILL COUNTY GRAVEL PIT | Water | — | No Violation Identified |
| Rollins | ROBERT BONNER - BOB BONNER / ROLLINS DEVELOPMENT | Water | — | No Violation Identified |
| Rosebud | CAT TRACK CATTLE COMPANY | Water | — | Unknown |
| Rosebud | ROSEBUD SCHOOL DISTRICT NO 12-TREATMENT PLANT 2 POTABLE | Drinking water | — | No Violation Identified |
| Rosebud | SHEFFIELD RANCH CORP - YELLOWSTONE RIVER 318 | Water | — | No Violation Identified |
| Roundup | BULL MOUNTAIN MINE NO 1 | Water | — | No Violation Identified |
| Roundup | CITY OF ROUNDUP WWTP | Water | 1 | Violation Identified |
| Roundup | GEBHARDT POST PLANT & SAWMILL | Water, Hazardous waste | — | No Violation Identified |
| Roundup | GEBHARDT POST PLANT AND SAWMILL | Water | — | No Violation Identified |
| Roundup | KILBY BUTTE HUTTERIAN BRETHREN INC MUSSELSHELL DIVERSION REPAIRS 318 | Water | — | No Violation Identified |
| Roundup | MUSSELSHELL COUNTY MUSSELSHELL RIVER ROUNDUP 318 | Water | — | No Violation Identified |
| Roundup | MUSSELSHELL COUNTY MUSSELSHELL RIVER ROUNDUP FAIRGROUNDS BRIDGE 318 | Water | — | No Violation Identified |
| Roundup | PHILLIPS 66 PIPELINE LLC ROUNDUP STATION | Hazardous waste | — | No Violation Identified |
| Roundup | ROUNDUP HIGH SCHOOL | Hazardous waste | — | No Violation Identified |
| Roundup | ROUNDUP WATER DEPARTMENT | Drinking water | — | No Violation Identified |
| Roundup | SIGNAL PEAK ENERGY - BULL MOUNTAIN MINE | Water, Drinking water | — | Violation Identified |
| Roundup | SIGNAL PEAK ENERGY - BULL MOUNTAIN MINE | Water | — | Violation Identified |
| Roundup | SIGNAL PEAK ENERGY - PORTAL 4 AT THE BULL MOUNTAIN MINE NO 1 | Water | — | No Violation Identified |
| Roundup | US 12 BANK STABILIZATION PHASE 2 | Water | — | — |
| Roundup | VALLEY MOTOR SUPPLY CO ROUNDUP | Hazardous waste | — | No Violation Identified |
| Roy | MK WEEDEN MDOT SACAGAWEA RIVER BANK STABILIZATION 318 | Water | — | No Violation Identified |
| Roy | ROY WATER AND SEWER DISTRICT | Drinking water | — | No Violation Identified |
| Ryegate | COWBOY CLIFF QUARRY | Water | — | Violation Identified |
| Ryegate | ES STONE: SITE #1 (VANDER VOORT) | Water | — | No Violation Identified |
| Ryegate | RYEGATE TOWN OF | Drinking water | — | No Violation Identified |
| Ryegate | RYEGATE WWTP | Water | — | — |
| Ryegate | TOWN OF RYEGATE | Water | — | No Violation Identified |
| Ryegate | VENTURE STONE SITE 14 | Water | — | Violation Identified |
| Ryegate | VENTURE STONE SITE 15 | Water | — | Violation Identified |
| Saco | BITTER CREEK PIPELINES LLC - WELL LINE 1519 | Water | — | No Violation Identified |
| Saco | MALTA IRRIGATION DISTRICT BEAVER CREEK RESTORATION 318 | Water | — | No Violation Identified |
| Saco | SACO DEHY INC | Hazardous waste | — | No Violation Identified |
| Saco | SACO TOWN OF | Drinking water | — | No Violation Identified |
| Saco | TOWN OF SACO | Water | — | No Violation Identified |
| Saco | WBIP SACO COMPRESSOR STATION | Hazardous waste | — | No Violation Identified |
| Saco | WILLISTON BASIN - SACO | Air | — | No Violation Identified |
| Saing Regis | TROY BAKER MINERAL COUNTY CLARK FORK RIVER | Water | — | No Violation Identified |
| Saint Ignatius | HUNT'S TIMBERS INC. | Hazardous waste | — | No Violation Identified |
| Saint Marie | GLASGOW INDUSTRIAL AIRPORT | Water | — | Violation Identified |
| Saint Marie | WATER TREATMENT PLANT - MACRO | Water | — | No Violation Identified |
| Saint Mary | WESTERN FEDERAL LANDS - GOING TO THE SUN ROAD PHASE XI | Water | — | No Violation Identified |
| Saint Mary | WESTERN FEDERAL LANDS FHWA GLACIER PARK CREEKS 318 | Water | — | No Violation Identified |
| Saint Mary | WESTERN FEDERAL LANDS HWY DIVISION - FEDERAL HWY ADMIN. GOING TO THE SUN ROAD | Water | — | No Violation Identified |
| Saint Marys | ST MARY WASTEWATER FACILITY | Water | — | Violation Identified |
| Saint Regis | FRONTIER WEST LLC ST REGIS RIVER 318 PERMIT | Water | — | No Violation Identified |
| Saint Regis | IFG - KAMP, LLC | Water | — | No Violation Identified |
| Saint Regis | PUMCO MDT ST REGIS RIVER BANK STABILIZATION | Water | — | No Violation Identified |
| Saint Regis | SCHOBERS TOWING & REPAIR | Hazardous waste | — | No Violation Identified |
| Saint Regis | TROY BAKER MINERAL AND MISSOULA COUNTY SUCTION DREDGE | Water | — | No Violation Identified |
| Saint Xavier | PRETTY EAGLE CATHOLIC SCHOOL ST LABRE INDIAN | — | — | No Violation Identified |
| Saint Xavier | SOAP CREEK ASSOCIATES INC | Hazardous waste | — | No Violation Identified |
| Saltese | MONTANA DEPARTMENT OF TRANSPORTATION FEDERAL AID PROJECT IM-NHFP 90-1(228)3 | Water | — | No Violation Identified |
| Saltese | MONTANA DEPARTMENT OF TRANSPORTATION FEDERAL AID PROJECT IM-NHFP 90-1(228)3 | Water | — | No Violation Identified |
| Saltese | MT DEPT OF TRANSPORTATION - DENA MORA REST AREA | Water | — | Violation Identified |
| Sand Coulee | BIG STONE COLONY INC | Drinking water | — | No Violation Identified |
| Sand Coulee | CENTERVILLE BAR-TREATMENT PLANT FOR WELL 1 | Drinking water | — | No Violation Identified |
| Sand Coulee | MONTANA DEQ SAND COULEE CREEK ABANDONED MINE DRAIN SYSTEM 318 | Water | — | No Violation Identified |
| Sand Coulee | TRACY WATER USERS CORP | Drinking water | — | No Violation Identified |
| Santa Rita | CUT BANK NORTH WATER DISTRICT | Drinking water | 1 | No Violation Identified |
| Savage | KNIFE RIVER CORP SAVAGE MINE | Water, Hazardous waste | — | No Violation Identified |
| Savage | MDT RICHLAND CO. LINE N - MT 261 | Water | — | No Violation Identified |
| Savage | SAVAGE ASH LANDFILL | Water | — | No Violation Identified |
| Savage | THE UDDER COW COMPANY LLC | Water | — | No Violation Identified |
| Savage | VALLEY FUEL AND SUPPLY-TP FOR WELL | Drinking water | — | No Violation Identified |
| Scobey | APOLLO INC 2011 CROSS COUNTRY WATER MAIN REPLACEMENT | Water | — | No Violation Identified |
| Scobey | FORTUNA US LP - DANIELS COUNTY OIL EXPLORATION | Water | — | No Violation Identified |
| Scobey | PRO CO-OP | — | 1 | — |
| Scobey | PRO CO-OP OFFICE AND STORAGE BUILDING | Water | 1 | — |
| Scobey | SCOBEY CITY OF | Drinking water | — | No Violation Identified |
| Scobey | SCOBEY HIGH SCHOOLS | Hazardous waste | — | No Violation Identified |
| Scobey | TRANSCANADA KEYSTONE PIPELINE DANIELS COUNTY 318 | Water | — | No Violation Identified |
| Seeley Lake | MARK BUCK CONSTRUCTION MDT MORRELL CREEK 318 | Water | — | No Violation Identified |
| Seeley Lake | MISSOULA CO PUBLIC SCHOOLS SEELEY LAKE | Hazardous waste | — | No Violation Identified |
| Seeley Lake | PYRAMID MOUNTAIN LUMBER INC. | Hazardous waste | — | No Violation Identified |
| Seeley Lake | RAY BARTLETT TRUCKING | Hazardous waste | — | No Violation Identified |
| Seeley Lake | SEELEY LAKE WATER DISTRICT | Drinking water | — | No Violation Identified |
| Shawmut | M A DEATLEY CONSTRUCTION MUSSELSHELL RIVER 318 | Water | — | No Violation Identified |
| Shepherd | BEARTOOTH ENVIRONMENTAL INC | Hazardous waste | — | No Violation Identified |
| Shepherd | FRED G MICHELS | Hazardous waste | — | No Violation Identified |
| Shepherd | KID CORRAL DAY CARE-TREATMENT PLANT | Drinking water | 7 | No Violation Identified |
| Shepherd | MINSON TRUCKING, LLC | Hazardous waste | — | No Violation Identified |
| Shepherd | PACIFIC AUTO SHREDDER RESIDUE STORAGE FACILITY | Water | — | No Violation Identified |
| Shepherd | PACIFIC STEEL LANDFILL PHASE 1 | Water | — | — |
| Shepherd | RAZOR CREEK FARMS | Water | — | No Violation Identified |
| Shepherd | RED ROOSTER BAR-TREATMENT PLANT FOR WELL 1 | Drinking water | — | Significant Violation |
| Shepherd | SHEPHERD SCHOOL DISTRICT 37 | Water, Hazardous waste | — | No Violation Identified |
| Shepherd | SHEPHERD SCHOOLS-TREATMENT PLANT FOR WELL 1 2 3 | Drinking water | — | Violation Identified |
| Shepherd | SLETTEN CONSTRUCTION - MDOT CROOKED CREEK 318 | Water | — | No Violation Identified |
| Shepherd | YELLOWSTONE CATTLE FEEDERS LLC | Water | — | No Violation Identified |
| Sheridan | GIUNNANE OPENCUT SITE OPENCUT #1838 | Water | — | No Violation Identified |
| Sheridan | KINGFISHER CONSULTING INC 318 PERMIT | Water | — | No Violation Identified |
| Sheridan | OXBOW OPEN CUT SITE OPENCUT # 1877 | Water | — | No Violation Identified |
| Sheridan | PJSG INC JDL SITE | Water | — | No Violation Identified |
| Sheridan | SHERIDAN TOWN OF | Drinking water | — | No Violation Identified |
| Sheridan | THE SHOP KEN AND LONNIES REPAIR | Hazardous waste | — | No Violation Identified |
| Silver Bow | BUXTON N&S; STRUCTURE ID 01098 & 01099 | Hazardous waste | — | No Violation Identified |
| Silver Bow | OLD DOMINION FREIGHT LINE, INC | Water | — | No Violation Identified |
| Silver Bow | SOLVAY USA INC.-SILVER BOW PLANT | — | — | — |
| Silver Star | AMERICAN PACIFIC MINING CORP- MADISON PROJECT | Water | — | No Violation Identified |
| Snowden | BNSF RAILWAY CO - MISSOURI RIVER 318 PERMIT | Water | — | No Violation Identified |
| Somers | BURLINGTON NORTHERN (SOMERS PLANT) | Hazardous waste | — | No Violation Identified |
| Somers | NORTH SHORE DEVELOPMENT - SOMERS BOAT LAUCH 318 | Water | — | No Violation Identified |
| Somers | NORTHSHORE DEVELOPMENT CO FLATHEAD LAKD SUBMERGED LOG REMOVAL 318 | Water | — | No Violation Identified |
| Somers | NORTHSHORE DEVELOPMENT FLATHEAD LAKE 318 PERMIT | Water | — | No Violation Identified |
| Somers | SOMERS CO WATER AND SEWER DIST | Drinking water | — | No Violation Identified |
| Somers | TERRACES AT SOMERS BAY-TREATMENT PLANT WELL 1 2 | Drinking water | — | No Violation Identified |
| St Ignatius | FRONTIER POSTS LLC | Hazardous waste | — | No Violation Identified |
| St Ignatius | ST IGNATIUS TOWN OF | Drinking water | — | No Violation Identified |
| St Marie | MONTANA AVIATION RESEARCH COMPANY | Hazardous waste | — | No Violation Identified |
| St Regis | TRICON TIMBER INC | Air, Hazardous waste | — | No Violation Identified |
| St. Ignatius | ST. IGNATIUS-SOUTHSIDE | Water | — | Significant Violation |
| St. Regis | TALKING BIRD SALOON-TREATMENT PLANT FOR WELL 1 | Drinking water | — | No Violation Identified |
| St. Xavier | SOAP CREEK OIL FIELD | Water | — | No Violation Identified |
| St. Xavier | UFFELMAN SAND AND GRAVEL MINE | Water | — | — |
| Stanford | GLASSCO LUMBER | Hazardous waste | — | No Violation Identified |
| Stanford | JUDITH BASIN CNTY - HOBSON LANDFILL | Air | — | No Violation Identified |
| Stanford | MK WEEDEN CONSTRUCTION - XZ RANCH | Water | — | No Violation Identified |
| Stanford | MK WEEDEN CONSTRUCTION - XZ RANCH PI PIT | Water | — | No Violation Identified |
| Stanford | STANFORD TOWN OF | Drinking water | — | No Violation Identified |
| Stanford | TOWN OF STANFORD DOMESTIC WWTF | Water | — | No Violation Identified |
| Stanford | TOWN OF STANFORD WWTF | Water | — | No Violation Identified |
| Stanford | USDA USFS R01 LEWIS & CLARK NATIONAL FOREST DRY WOLF CREEK 318 PERMIT | Water | — | No Violation Identified |
| Stockett | STOCKETT WATER AND SEWER DISTRICT DOMESTIC WASTEWATER TREATMENT FACILITY | Water | — | No Violation Identified |
| Sula | CAMP SULA-TREATMENT PLANT WELL 2 UNAPPROVED | Drinking water | — | No Violation Identified |
| Sula | MT DEPT OF TRANSPORTATION BITTERROOT RIVER 318 PERMIT | Water | — | No Violation Identified |
| Sun River | BIG SKY SCIENTIFIC LLC | Water, Hazardous waste | — | No Violation Identified |
| Sun River | MT DEPT OF TRANSPORTATION - MILL CREEK COULEE 318 PERMIT | Water | — | No Violation Identified |
| Sunburst | BEN TAYLOR, INC. | — | 1 | — |
| Sunburst | KERNS LARSON FACILITY | Water | — | No Violation Identified |
| Sunburst | NWPMG00002 FORMER TEXACO SUNBURST WORKS | Hazardous waste | — | No Violation Identified |
| Sunburst | SONKAR INC - BAKER LEASE | Water | — | Violation Identified |
| Sunburst | SUNBURST TOWN OF-TP FOR WL007 008 | Drinking water | — | No Violation Identified |
| Sunburst | WATER & ENVIRONMENTAL TECHNOLOGIES - SUNBURST RESTORATION SITE | Water | — | No Violation Identified |
| Superior | MOUNTAIN WEST LLC | Hazardous waste | — | No Violation Identified |
| Superior | SUPERIOR ENTERPRISES LLC | Hazardous waste | — | No Violation Identified |
| Superior | SUPERIOR TOWN OF | Drinking water | — | No Violation Identified |
| Superior | SUPERIOR WASTEWATER TREATMENT FACILITY | Water | — | No Violation Identified |
| Superior | TRICON TIMBER LLC SUPERIOR | Hazardous waste | — | No Violation Identified |
| Swan Valley | HOLLAND LAKE LODGE INC | Drinking water | — | Inactive |
| Sweetgrass | US CBP SWEETGRASS PORT OF ENTRY #MT0025 | — | — | — |
| Terry | COP CONSTRUCTION CHERRY CREEK 318 PERMIT | Water | — | No Violation Identified |
| Terry | HARDING LAND AND CATTLE CO INC | Water | — | No Violation Identified |
| Terry | HOMESTEAD CATTLE CO LLC | Water | — | No Violation Identified |
| Terry | MARTIN CONSTRUCTION MDOT PRAIRIE COUNTY 318 | Water | — | No Violation Identified |
| Terry | PRAIRIE COMMUNITY HOSPITAL | Drinking water | — | No Violation Identified |
| Terry | TCA LLC - MDOT YELLOWSTONE RIVER BRIDGE 1MI NORTH OF TERRY | Water | — | No Violation Identified |
| Terry | TOWN OF TERRY WWTF | Water | — | Significant Violation |
| Thompson Falls | AVISTA CORPORATION GRAVES CREEK 318 PERMIT | Water | — | No Violation Identified |
| Thompson Falls | CITY OF THOMPSON FALLS WWTF | Water | — | Violation Identified |
| Thompson Falls | MT DEPT OF TRANSPORTATION - PROSPECT CREEK 318 PERMIT | Water | — | No Violation Identified |
| Thompson Falls | SLETTEN CONSTRUCTION - THOMPSON RIVER | Water | — | No Violation Identified |
| Thompson Falls | SUSIC CONSTRUCTION WAREHOUSE | Hazardous waste | — | No Violation Identified |
| Thompson Falls | THOMPSON FALLS BULK TERMINAL | Hazardous waste | — | No Violation Identified |
| Thompson Falls | THOMPSON FALLS CITY OF | Drinking water | — | No Violation Identified |
| Thompson Falls | THOMPSON FALLS POST & RAIL INC | Hazardous waste | — | No Violation Identified |
| Thompson Falls | THOMPSON RIVER LUMBER | Water | — | No Violation Identified |
| Thompson Falls | US ANTIMONY CORP | Water | — | No Violation Identified |
| Thompson Falls | US ANTIMONY CORP | Air, Hazardous waste | — | No Violation Identified |
| Thompson Falls | USDA USFS R01 US FOREST SERVICE LOLO N.F. - CROW CREEK 318 PERMIT | Water | — | No Violation Identified |
| Thompson Falls | WOODSIDE PARK WATER AND SEWER DISTRICT | Drinking 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.