Most Inspected EPA Facilities
| # | Facility | Location | Grade | Inspections |
|---|---|---|---|---|
| 401 | WITCHER FORK SURFACE MINE | DUNLOW, WV | C | 24 |
| 402 | CITY OF RUNAWAY BAY-PLANT 1 | RUNAWAY BAY, TX | C | 24 |
| 403 | RDG ANTHRA ELLENGOWAN BANK 45A MINE | SHENANDOAH, PA | A | 24 |
| 404 | LAUREL PLANT | CENTRAL CITY, PA | C | 24 |
| 405 | ARXADA LLC | WILLIAMSPORT, PA | D | 24 |
| 406 | KELLY BRANCH SURFACE MINE | APPALACHIA, VA | C | 24 |
| 407 | SWATHOM OPERATION | GLEN RICHEY, PA | B | 24 |
| 408 | PATCHOGUE (V) WWTP | PATCHOGUE, NY | D | 24 |
| 409 | RUSH CREEK SURFACE MINE | CHARLESTON, WV | C | 24 |
| 410 | HARVEST | ARGYLE NORTHLAKE, TX | C | 24 |
| 411 | WESLEY NO. 2 | AVONDALE, WV | C | 24 |
| 412 | KEYSTONE ANTHRACITE TREVORTON MINE | SHAMOKIN, PA | A | 24 |
| 413 | STONEGA SLURRY IMPOUNDMENT | STONEGA, VA | C | 24 |
| 414 | TOMMY CREEK HIGHWALL MINE NO. 1 - SOUTH | BECKLEY, WV | C | 24 |
| 415 | TARHEEL QUARRY | ALBRIGHTSVILLE, PA | C | 23 |
| 416 | SANITATION DISTRICT NO 1 | FT WRIGHT, KY | A | 23 |
| 417 | PARAGON LOADOUT | APPALACHIA, VA | C | 23 |
| 418 | COAL CREEK PREP PLANT #3 | RED ASH, VA | C | 23 |
| 419 | BIG CREEK SURFACE MINE | DANIELS, WV | D | 23 |
| 420 | POORBAUGH STRIP | GARRETT, PA | A | 23 |
| 421 | RODA COMPLEX | RODA, VA | A | 23 |
| 422 | BARRETT 1 | CURWENSVILLE, PA | B | 23 |
| 423 | PHILA CONTINENTAL MINE | ASHLAND, PA | A | 23 |
| 424 | MAHAFFEY BORO STP | MAHAFFEY, PA | A | 23 |
| 425 | GREENWICH #1 CRDA | NORTHERN CAMBRIA, PA | A | 23 |
| 426 | MANSFIELD BORO STP | MANSFIELD, PA | C | 23 |
| 427 | TWIN BRANCH SURFACE MINE NO. 2M | HOLDEN, WV | C | 23 |
| 428 | BEDROCK QUARRY | TYLER HILL, PA | A | 23 |
| 429 | CAVENGER HOLLOW SURFACE MINE | POUND, VA | B | 23 |
| 430 | SANDIA LAB | LIVERMORE, CA | A | 23 |
| 431 | ASHEVILLE CITY OF | , NC | A | 23 |
| 432 | LOCUST FORK SURFACE MINE | CHARLESTON, WV | D | 23 |
| 433 | RAUSCH CREEK COAL PREP LYKENS BREAKER | LYKENS, PA | A | 23 |
| 434 | MS4 JOINT PERMIT OLD LYCOMING TWP LYCOMING CNTY | WILLIAMSPORT, PA | A | 23 |
| 435 | H & K GROUP HONESDALE QUARRY | HONESDALE, PA | C | 23 |
| 436 | U.S. ARMY AVIATION CENTER OF EXCELLENCE AND FORT NOVOSEL | FORT RUCKER, AL | D | 23 |
| 437 | ROYTOWN | SOMERSET, PA | B | 23 |
| 438 | OPEN FORK HAULROAD | KINCAID, WV | A | 23 |
| 439 | POUND MILL SURFACE MINE | GILBERT, WV | C | 23 |
| 440 | CLEVELAND-CLIFFS LLC | EAST CHICAGO, IN | F | 23 |
| 441 | DRAGON SURFACE MINE & HAULROAD | NAUGATUCK, WV | C | 23 |
| 442 | DOMINION MINE #43 | OAKWOOD, VA | A | 23 |
| 443 | MEADOW CREEK #2 | BICKMORE, WV | C | 23 |
| 444 | CURWENSVILLE MUNI AUTH SEW SYS STP | CURWENSVILLE, PA | B | 23 |
| 445 | METTIKI COAL, LLC | OAKLAND, MD | C | 23 |
| 446 | RAVEN DOCK | RAVEN, VA | C | 23 |
| 447 | MORTON SALT | MANISTEE, MI | B | 23 |
| 448 | JEDDO-HIGHLAND FRANKLIN BANK | WLKS BARR TWP, PA | A | 23 |
| 449 | BIG CREEK SURFACE AND HIGHWALL MINE | JEWELL RIDGE, VA | C | 23 |
| 450 | ANC SOUTHERN EXPANSION PHASE II OPERATIONS COMPLEX | ARLINGTON, VA | B | 23 |