GAO-10-748SP: Aviation and the Environment: Survey of Airport Officials on Airport Environmental Issues, an E-supplement to GAO-10-50
U.S. Government Accountability Office
| Q24. Does your airport have any of the following water pollution control permits? |
| (Total Population) |
| Percent | Number of respondents |
|
|---|---|---|
| a. National Pollutant Discharge Elimination System (NPDES) | 68.8 | 141 |
| b. Wetlands Section 404 permit | 22.7 | 141 |
| c. State government water discharge permit | 48.9 | 141 |
| d. Local government water discharge permit | 24.1 | 141 |
| e. Other water pollution control permit | 6.4 | 141 |
| f. None - Airport does not have a water pollution control permit | 7.8 | 141 |
| g. No answer | 2.8 | 141 |
| Q24. Does your airport have any of the following water pollution control permits? |
| (Large and Medium Hubs) |
| Percent | Number of respondents |
|
|---|---|---|
| a. National Pollutant Discharge Elimination System (NPDES) | 77.8 | 63 |
| b. Wetlands Section 404 permit | 39.7 | 63 |
| c. State government water discharge permit | 54.0 | 63 |
| d. Local government water discharge permit | 33.3 | 63 |
| e. Other water pollution control permit | 7.9 | 63 |
| f. None - Airport does not have a water pollution control permit | 3.2 | 63 |
| g. No answer | 1.6 | 63 |