Most Inspected EPA Facilities
| # | Facility | Location | Grade | Inspections |
|---|---|---|---|---|
| 501 | CHIEFTON MINE #1 | REYNOLDSVILLE, WV | C | 22 |
| 502 | TOWN HILL SOUTH SURFACE MINE | RICHLANDS, VA | A | 22 |
| 503 | VP-3 MINES | VANSANT, VA | A | 22 |
| 504 | WATTS OPR | CURWENSVILLE, PA | C | 22 |
| 505 | TOWN HILL CREEK STRIP | RICHLANDS, VA | A | 22 |
| 506 | ALISO CREEK OCEAN OUTFALL | DANA POINT, CA | F | 22 |
| 507 | ALWAYS READY QUARRY | WYALUSING, PA | C | 22 |
| 508 | NORTH SURFACE MINE #1 | HOLDEN, WV | C | 22 |
| 509 | BUCKEYE BRANCH/CANEY FORK REMINING | BIG ROCK, VA | C | 22 |
| 510 | STONEGA #2 STRIP | STONEGA, VA | C | 22 |
| 511 | CITY OF WEST TAWAKONI WWTP | WEST TAWAKONI, TX | C | 22 |
| 512 | ENOCH'S BRANCH DEEP MINE | GRUNDY, VA | A | 22 |
| 513 | ER LINDE MIDDLE CREEK QUARRY | HAWLEY, PA | C | 22 |
| 514 | BROOKHAVEN MEMORIAL HOSPITAL | PATCHOGUE, NY | C | 22 |
| 515 | FAYETTE CITY STP | FAYETTE CITY, PA | D | 22 |
| 516 | BAND MILL HOLLOW REFUSE FACILITY | DUNBAR, VA | A | 22 |
| 517 | BUCKEYE QUARRY | FORT HILL, PA | C | 22 |
| 518 | TILLER #1 MINE | RED ASH, VA | C | 22 |
| 519 | NEWPORT AGG SUSQUEHANNA ANTHRACITE BANK | JENKINS TWP, PA | A | 22 |
| 520 | UPPER PHILLIPS CREEK MINE | DIXIANA, VA | A | 22 |
| 521 | MILLVILLE QUARRY | HARPERS FERRY, WV | C | 22 |
| 522 | PREP PLANT & REFUSE AREA | BECKLEY, WV | C | 22 |
| 523 | ISLANDIA SHOPPING CENTER | ISLANDIA, NY | B | 22 |
| 524 | GUEST MOUNTAIN NO. 5 MINE | STONEGA, VA | C | 22 |
| 525 | TRAP FORK MINE NO. 1 | MOHAWK, WV | B | 22 |
| 526 | NURREED | MAHAFFEY, PA | C | 22 |
| 527 | FOURPOLE REFUSE AREA | WHARNCLIFFE, WV | C | 22 |
| 528 | SURFACE #1 & DEEP MINES UPPER CEDAR GROVE #5 & ALMA NO. 2 | CHARLESTON, WV | C | 22 |
| 529 | DOMINION #26 | WHITEWOOD, VA | A | 22 |
| 530 | NINE MILE SPUR #6 | STONEGA, VA | A | 22 |
| 531 | HOUNDSHELL MINE | GRUNDY, VA | A | 22 |
| 532 | H & K GROUP ATKINSON QUARRY | HAWLEY, PA | B | 22 |
| 533 | CARETTA PREPARATION PLANT AND REFUSE SITES | COALWOOD, WV | C | 22 |
| 534 | WHITLEY FORK STRIP #1 | DUNBAR, VA | B | 22 |
| 535 | ALLOY SURFACE MINE NO. 2 | BOOMER, WV | A | 22 |
| 536 | LOWER MILL BRANCH MINE | GRUNDY, VA | A | 22 |
| 537 | BLACKWOOD STRIP | BLACKWOOD, VA | C | 22 |
| 538 | MARTIN MARIETTA CHEMICALS | MANISTEE, MI | D | 22 |
| 539 | RDG ANTHRA ST CLAIR P-44 48 & 85-1 | SHENANDOAH, PA | A | 22 |
| 540 | MID-CAMERON AUTHORITY | EMPORIUM, PA | B | 22 |
| 541 | KNIGHT MINE | MORRISDALE, PA | B | 22 |
| 542 | WINDBROOKE HOMES CONDOMINIUMS | CENTRAL ISLIP, NY | C | 22 |
| 543 | HARPERS BRANCH REFUSE FACILITY | VANSANT, VA | C | 22 |
| 544 | BIG POND QUARRY | COLUMBIA CROSS ROADS, PA | C | 22 |
| 545 | LOGGY BRANCH SURFACE MINE | HOLDEN, WV | C | 22 |
| 546 | NEWHALL SURFACE MINE | BLUEFIELD, VA | C | 22 |
| 547 | BERWIND LOAD-OUT AND RED HAWK SURFACE MINE | BERWIND, WV | B | 22 |
| 548 | ER LINDE CONST LEEWARD QUARRY | HAWLEY, PA | C | 22 |
| 549 | MUDLICK - TILLER | RICHLANDS, VA | B | 22 |
| 550 | MONTCOAL MOUNTAIN HAULROAD | TWILIGHT, WV | A | 22 |