| U.S. General Accounting Office |
| Survey on Food Security Act Conservation Compliance (GAO-03-492SP) |
| Q82--1999:. About how many acres of wetlands in your county were mitigated through enhancement, that is improvement of another wetland, in 1999? |
| Mean | Minimum | Maximum | Median | Number of respondents | |
| Alabama | . | . | . | . | 0 |
| Arkansas | 12.0 | 12 | 12 | 12 | 1 |
| California | 4.0 | 4 | 4 | 4 | 1 |
| Colorado | 5.0 | 5 | 5 | 5 | 1 |
| Florida | . | . | . | . | 0 |
| Georgia | . | . | . | . | 0 |
| Idaho | . | . | . | . | 0 |
| Illinois | 1.5 | 1 | 2 | 2 | 2 |
| Indiana | . | . | . | . | 0 |
| Iowa | 5.0 | 1 | 13 | 1 | 3 |
| Kansas | . | . | . | . | 0 |
| Kentucky | . | . | . | . | 0 |
| Louisiana | . | . | . | . | 0 |
| Maryland | . | . | . | . | 0 |
| Michigan | . | . | . | . | 0 |
| Minnesota | 1.5 | 1 | 2 | 2 | 2 |
| Mississippi | . | . | . | . | 0 |
| Missouri | 30.0 | 30 | 30 | 30 | 1 |
| Montana | . | . | . | . | 0 |
| Nebraska | . | . | . | . | 0 |
| New Mexico | . | . | . | . | 0 |
| New York | . | . | . | . | 0 |
| North Carolina | . | . | . | . | 0 |
| North Dakota | 35.0 | 35 | 35 | 35 | 1 |
| Ohio | . | . | . | . | 0 |
| Oklahoma | . | . | . | . | 0 |
| Oregon | . | . | . | . | 0 |
| Pennsylvania | . | . | . | . | 0 |
| South Carolina | . | . | . | . | 0 |
| South Dakota | . | . | . | . | 0 |
| Tennessee | . | . | . | . | 0 |
| Texas | . | . | . | . | 0 |
| Utah | . | . | . | . | 0 |
| Virginia | . | . | . | . | 0 |
| Washington | . | . | . | . | 0 |
| West Virginia | . | . | . | . | 0 |
| Wisconsin | 2.8 | 2 | 4 | 3 | 4 |
| States with fewer than 15 respondents | . | . | . | . | 0 |
| All States | 7.4 | 1 | 35 | 3 | 16 |