Base Flood Elevations (1)
Floodplain Data (2)
| Floodway |
| 100 Year Floodplain; Zone AO; Zone A |
| 500 Year Floodplain |
| Reduced Risk Due to Levee |
Austin County Effective Floodplain (4)
| Floodway |
| 100 Year |
| 500 Year |
| Zone AO |
| Zone A |
Brazoria County Effective Floodplain (5)
| A, |
|
| AE, |
|
| AE,FLOODWAY |
| AH, |
| AO, |
| VE, |
|
| VE,RIVERINE FLOODWAY SHOWN IN COASTAL ZONE |
| X,0.2 PCT ANNUAL CHANCE FLOOD HAZARD |
| X,AREA OF MINIMAL FLOOD HAZARD |
| X,AREA WITH REDUCED FLOOD RISK DUE TO LEVEE |
Harris County Effective Floodplain (6)
|
| Floodway |
|
| 100 Year |
|
| 500 Year |
|
| Zone AO |
|
| Zone A |
Waller County Effective Floodplain (7)
| Floodway (Approx. 26.2 ac.) |
| 100 Year (Approx. 30.1 ac.) |
| 500 Year (Approx. 16.8 ac.) |
| Zone AO |
| Zone A (Approx. 12.9 ac.) |
Wharton County Effective Floodplain (8)
| Floodway |
|
| 100 Year (Approx. 431 ac.) |
|
| 500 Year (Approx. 80 ac.) |
|
| Zone A |
FEMA National Flood Hazard (9)
|
| A, <Null> |
| AE, 1 PCT ANNUAL CHANCE FLOOD HAZARD CONTAINED IN CHANNEL |
|
| AE, <Null> |
|
| AE, FLOODWAY |
| AH, <Null> |
| AO, <Null> |
| AREA NOT INCLUDED, <Null> |
| OPEN WATER, <Null> |
| VE, <Null> |
| X, 0.2 PCT ANNUAL CHANCE FLOOD HAZARD; X, 0.2 PCT ANNUAL CHANCE FLOOD HAZARD CONTAINED IN CHANNEL; X, 0.2 PCT ANNUAL CHANCE FLOOD HAZARD CONTAINED IN STRUCTURE |
| X, 1 PCT FUTURE CONDITIONS |
|
| X, AREA OF MINIMAL FLOOD HAZARD |
| X, AREA WITH REDUCED FLOOD RISK DUE TO LEVEE |
|
