Pennsylvania Spatial Data Access

Abstract:

The Clean Water Act Section 303(d) establishes the Total Maximum Daily Load (TMDL) program. The purpose of the TMDL program is to identify sources of pollution and allocate pollutant loads in places where water quality goals are not being achieved.  This layer shows the list of waters for which technology-based or other required pollution controls are not stringent enough to meet water quality standards.  The TMDLs themselves specify a pollutant budget that must be achieved to meet state water quality standards and allocates pollutant loads among pollution sources in a watershed, e.g., point and nonpoint sources.
TMDLs can be developed for several categories such as: point sources (permitted sewage and industrial discharges); nonpoint sources (agriculture and urban runoff); lakes; abandoned mine drainage (also called acid mine drainage or AMD); specific bioaccumulative chemicals (PCBs and chlordane that contaminate fish, resulting in fish advisories limiting or banning the number of fish that a person can safely consume); and complex situations (combinations of different types).
This layer is based on the High Resolution National Hydrography Dataset (NHD).  The Lake TMDLs are not included in this layer.

Purpose:

Layer representing the streams of Pennsylvania with TMDL attributes needed in PADEP managed programs.

Supplemental_Information:

Within the DEP network this layer is maintained on a continuous basis reflecting what it currently in the production databases.

Currentness_Reference:

publication date

Use_Constraints:

Commonwealth of Pennsylvania
                      Department of Environmental Protection
                                Disclaimer for Data

The user shall save the Commonwealth harmless from any suits, claims, or actions arising out of the use of the data files or accompanying documentation, or arising out of any defects in the datafiles or accompanying documentation.

The Commonwealth excludes any and all implied warranties and makes no warranty or representation with respect to the data files or accompanying documentation, including quality, performance, merchantability, or fits for a particular purpose.  These data files and documentation are provided "as is" and the user assumes the entire risk as to their quality and performance.

Attribute_Definition:

Internal feature number.

Attribute_Definition_Source:

ESRI

Attribute_Definition:

Feature geometry.

Attribute_Definition_Source:

ESRI

Address:

115 Land and Water building

Distribution_Liability:

The USER shall indemnify, save harmless, and, if requested, defend those parties involved with the development and distribution of this data, their officers, agents, and employees from and against any suits, claims, or actions for injury, death, or property damage arising out of the use of or any defect in the FILES or any accompanying documentation. Those parties involved with the development and distribution excluded any and all implied warranties, including warranties or merchantability and fitness for a particular purpose and makes no warranty or representation, either express or implied, with respect to the FILES or accompanying documentation, including its quality, performance, merchantability, or fitness for a particular purpose. The FILES and documentation are provided "as is" and the USER assumes the entire risk as to its quality and performance. Those parties involved with the development and distribution of this data will not be liable for any direct, indirect, special, incidental, or consequential damages arising out of the use or inability to use the FILES or any accompanying documentation.

Address:

P.O. Box 8467