![[logo] US EPA](http://www.epa.gov/epafiles/images/logo_epaseal.gif){kind=logo}
Lead Nonattainment Areas
As of August 30, 2011
| Areas Listed Alphabetically | No. Counties NAA |
2000 Pop. | EPA Region |
State | |
|---|---|---|---|---|---|
| East Helena Area (Lewis and Clark Co.), MT | 1 | 2,346 | 8 | MT | |
| Jefferson County (part); Herculaneum, MO | 1 | 2,318 | 7 | MO | |
| 2 Total Areas | 2 | 4,664 | |||
|
The county total is adjusted to count a single county only once (in the case where part of a county may be in multiple maintenance areas). Any multi-state areas are counted in the nonattainment report until all state areas have been redesignated. |