| State | Drinking Water | State | Drinking Water |
| Alabama | | Montana | |
| Alaska | | Nebraska | |
| Arizona | | Nevada | |
| Arkansas | | New Hampshire | |
| California | | New Jersey | |
| Colorado | | New Mexico | |
| Connecticut | | New York | |
| Delaware | | North Carolina | |
| Florida | | North Dakota | |
| Georgia | | Ohio | |
| Hawaii | | Oklahoma | |
| Idaho | | Oregon | |
| Illinois | | Pennsylvania | |
| Indiana | | Rhode Island | |
| Iowa | | South Carolina | |
| Kansas | | South Dakota | |
| Kentucky | | Tennessee | |
| Louisiana | | Texas | |
| Maine | | Utah | |
| Maryland | | Vermont | |
| Massachusetts | | Virginia | |
| Michigan | | Washington | |