Copyright Text: These geospatial data and corresponding cartographic materials have been approved for use by the U.S. Environmental Protection Agency (EPA) as advised by the EPA Geospatial Advisory Committee (EGAC). This approved release is on the condition that neither the EPA nor the U.S. Government may be held liable for any damages resulting from its authorized or unauthorized use. These data and any corresponding products, services, or materials do not necessarily represent the EPA’s official position or viewpoint, expressed or implied. These content items are not intended for use in establishing liability or calculating cost recovery statutes of limitations. They cannot be relied upon to create any rights, substantive or procedural, enforceable by any party in litigation with the United States or third parties. Additionally, although these data have been processed successfully on EPA computer systems, no warranty expressed or implied can be made regarding the accuracy or utility of the data on any other system or for general or scientific purposes, nor shall the act of distribution constitute any such warranty. The Agency reserves the right to revise EPA-stewarded datasets pursuant to further analysis and review without public notice. Unless otherwise specified, geospatial data produced by the EPA is by default in the public domain and is not subject to domestic copyright protection under 17 U.S.C. § 105. Referenced data from non-EPA sources are neither inherently verified nor independently tested by the Agency in all circumstances. Permission to reproduce copyrighted items not produced by the EPA must be secured from the copyright owner. EPA strongly recommends careful attention be paid to metadata files associated with these data to better understand limitations, restrictions or intended use. The U.S. EPA shall not be held liable for improper or incorrect use of the data.