| BJW&SA (0720003) | 145,634 | 32 | Detected |
| HILTON HEAD PSD 1 (0720006) | 25,558 | 14 | Detected |
| SOUTH ISLAND PSD (SC0720001) | 18,299 | 3 | Detected |
| FRIPP ISLAND PSD (SC0720002) | 3,536 | 8 | Detected |
| BROAD CREEK PSD (0720009) | 3,481 | 6 | Detected |
| WATER OAK UTILITY CO (SC0750002) | 2,318 | 28 | — |
| HARBOR ISLAND (SC0750013) | 1,039 | 52 | — |
| CALLAWASSIE ISLAND (SC0750041) | 900 | 10 | — |
| DAUFUSKIE ISL UTIL-HAIG POINT (0750036) | 608 | 27 | — |
| DAUFUSKIE ISL UTIL-MELROSE (SC0750043) | 263 | 36 | — |
| SEASIDE FARMS SHOP HOUSING (SC0771004) | 227 | 0 | — |
| CIRCLE C EXPRESS #3 (SC0770918) | 200 | 10 | — |
| TAYLOR MH ESTATE (SC0760015) | 162 | 10 | — |
| LAKEVIEW MHP (SC0760001) | 114 | 106 | — |
| ISLAND WEST (0770875) | 110 | 1 | — |
| BEAUFORT MHP (0760016) | 107 | 16 | — |
| HEWITT OAKS (SC0770935) | 100 | 9 | — |
| WELLS EAST S/D (SC0750026) | 60 | 34 | — |
| AMI KIDS-BEAUFORT (0770050) | 50 | 2 | — |
| SHELDON CONVENIENCE STORE (0770927) | 50 | 88 | — |
| PRIMO-PUBLIX 0473 (SC0780025) | 50 | 0 | — |
| PRIMO-PUBLIX 0845 (SC0780027) | 50 | 0 | — |
| PRIMO-PUBLIX 0700 (SC0780028) | 50 | 0 | — |
| PRIMO-FOOD LION 0945 (0780029) | 50 | 0 | — |
| PRIMO-FOOD LION 1330 (0780030) | 50 | 0 | — |
| PRIMO-MCX MARINE MART-LAUREL BAY0780038 | 50 | 0 | — |
| PRIMO-MCX MOBILE HOUSING COMMUNITY CTR | 50 | 0 | — |
| PRIMO-MCX MARINE MART-PI (SC0780040) | 50 | 0 | — |
| PRIMO-PUBLIX 1463 (SC0780045) | 50 | 0 | — |
| PRIMO-WALMART BLUFFTON (SC0780046) | 50 | 0 | — |
| BRIARWOOD MHP (SC0760076) | 44 | 17 | — |
| BRAYS ISLAND PLANTATION COLONY (0772002) | 40 | 0 | — |
| FREEPORT MARINA VILLAGE (SC0770236) | 38 | 12 | — |
| BARONY HOUSE/THE INN (SC0770233) | 35 | 13 | — |
| ELIJAH WASHINGTON HEALTH CTR (SC0770901) | 35 | 2 | — |
| BEAUFORT CO BOAT LNDNG-DAUFUSKIE(0772001 | 26 | 1 | — |
| PRIMO-WALMART 1383 (SC0780024) | 26 | 0 | — |
| PRIMO-PUBLIX 1716 BEAUFORT (SC0780047) | 26 | 0 | — |
| PRIMO-PUBLIX #1714 (SC0780048) | 26 | 0 | — |
| PRIMO-MCAS BEAUFORT (SC0780049) | 26 | 0 | — |
| PRIMO-WALMART 7181 (SC0780050) | 26 | 0 | — |
| PALMETTO BLUFF TEMP GOLF FACILITIES | 25 | 0 | — |
| PRIMO-PUBLIX 1205 (SC0780033) | 25 | 0 | — |
| PRIMO-KROGER 703 (SC0780051) | 25 | 0 | — |
| PRIMO-KROGER 499 (SC0780052) | 25 | 0 | — |