Airport Impact OD (0)
| Within 1 Mile of the LDN 60 |
| Between the LDN 60-65 |
| Within the LDN 65 or Higher |
Floodplain (1)
| Minor Floodplain |
| Major Floodplain |
| Potomac Floodplain |
Limestone OD (2)
Mountainside OD 1993 (3)
| Somewhat Sensitive |
| Sensitive |
| Highly Sensitive |
Quarry Notification OD (4)
| BULL RUN NOTE AREA |
| BULL RUN QUARRY |
| CHANTILLY CRUSH STONE NOTE AREA |
| CHANTILLY CRUSH STONE QUARRY |
| LOUDOUN NOTE AREA |
| LOUDOUN QUARRY |
| LUCK NOTE AREA |
| LUCK QUARRY |
Village Conservation OD (5)
Zoning Ordinance 93 R (6)
| AR1 |
| AR2 |
| A3 |
| A10 |
| CR1 |
| CR2 |
| CR3 |
| CR4 |
| PDRV |
| RC |
| R1 |
| R2 |
| R3 |
| R4 |
| R8 |
| R16 |
| R24 |
| PDTRC |
| PDH3 |
| PDH4 |
| PDH6 |
| PDAAAR |
| JLMA1 |
| JLMA2 |
| JLMA3 |
| JLMA20 |
| TR1UBF |
| TR1LF |
| TR2 |
| TR3UBF |
| TR3LF |
| TR3LBR |
| TR10 |
| PDCCCC |
| PDCCNC |
| PDCCRC |
| PDCCSC |
| PDSA |
| PDIP |
| PDOP |
| PDTC |
| PDMUB |
| PDRDP |
| GB |
| PDGI |
| CLI |
| MRHI |
Zoning Ordinance 1993 (7)
|
| A3 |
|
| A10 |
|
| CR1 |
|
| CR2 |
|
| CR3 |
|
| CR4 |
|
| PDRV |
|
| RC |
|
| R1 |
|
| R2 |
|
| R3 |
|
| R4 |
|
| R8 |
|
| R16 |
|
| R24 |
|
| PDTRC |
|
| PDH3 |
|
| PDH4 |
|
| PDH6 |
|
| PDAAAR |
|
| PDCCCC |
|
| PDCCNC |
|
| PDCCRC |
|
| PDCCSC |
|
| PDSA |
|
| PDIP |
|
| PDOP |
|
| PDTC |
|
| PDRDP |
|
| GB |
|
| PDGI |
|
| CLI |
|
| MRHI |
Zoning Ordinance 1972 (8)
|
| A3 |
|
| A10 |
|
| R1 |
|
| R2 |
|
| R4 |
|
| PDH3 |
|
| PDH6 |
| PDSC |
|
| PDSA |
| PDCH |
|
| PDIP |
|
| PDOP |
|
| PDGI |
| C1 |
Rt 28 Elected OD (9)
Rt 28 Optional OD (10)
| CI (Corridor Industrial) Optional |
| CO (Corridor Office) Optional |
| CB (Corridor Business) Optional |
|
