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The Ohio•Kentucky•Indiana Regional Council of Governments (OKI) created the Watersheds Layer from local, state and federal sources to summarize water quality in each drainage area denoted by a 12-digit Hydrologic Unit Code (HUC 12 watershed). This dataset works in tandem with OKI’s Stream Database to track water quality changes and identify priority areas in Butler, Clermont, Hamilton and Warren counties, Ohio. Each HUC 12 watershed’s designated beneficial uses are listed in accordance with state and federal guidelines. The Watersheds Layer also notes whether a watershed’s streams and rivers attain the water quality standards for their designated uses. In cases of non-attainment, the layer lists the causes and sources of impairment. Because water quality is dynamic, OKI plans to revise this and other Stream Database feature classes when substantial new data arises. Dataset users are encouraged to check for updates. |
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The Ohio•Kentucky•Indiana Regional Council of Governments (OKI) created the Watersheds Layer from local, state and federal sources to summarize water quality in each drainage area denoted by a 12-digit Hydrologic Unit Code (HUC 12 watershed). This dataset works in tandem with OKI’s Stream Database to track water quality changes and identify priority areas in Butler, Clermont, Hamilton and Warren counties, Ohio. Each HUC 12 watershed’s designated beneficial uses are listed in accordance with state and federal guidelines. The Watersheds Layer also notes whether a watershed’s streams and rivers attain the water quality standards for their designated uses. In cases of non-attainment, the layer lists the causes and sources of impairment. Because water quality is dynamic, OKI plans to revise this and other Stream Database feature classes when substantial new data arises. Dataset users are encouraged to check for updates. |
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OKI staff created this geographic information system layer with data from the Watershed Boundary Dataset, 2010 Ohio Integrated Water Quality Monitoring and Assessment Report, TMDL reports, Watershed Action Plans, and local stewardship organizations. |
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<DIV STYLE="text-align:Left;"><DIV><DIV><P STYLE="margin:0 0 0 0;"><SPAN><SPAN>For watersheds in the OKI region, the Watersheds Layer serves as a spatial-reference framework for water quality data and other datasets in the Stream Database. Watershed boundaries and Hydrologic Unit Codes (HUCs) were acquired from the Watershed Boundary Dataset (WBD), which delineates surface water drainage areas based on land area and topography. The HUC system provides a tiered approach to classifying and identifying these drainage areas.</SPAN></SPAN></P><P /><P STYLE="margin:0 0 0 0;"><SPAN><SPAN>For its four Ohio counties (Butler, Clermont, Hamilton and Warren) OKI obtained most of the watershed data and water quality assessments from the </SPAN></SPAN><SPAN STYLE="font-style:italic;"><SPAN>2010 Ohio Integrated Water Quality Monitoring and Assessment Report </SPAN></SPAN><SPAN><SPAN>(Ohio Environmental Protection Agency, Division of Surface Water, 2009-10). This includes evaluations of aquatic life uses, recreational uses, public water sources, and human health risks related to fish consumption. For each impaired watershed, the Watersheds Layer notes the status of a Total Maximum Daily Load (TMDL) study, which determines the total maximum daily loads of selected pollutants that can enter an impaired stream without ruining efforts to improve stream health. The layer also notes significant stewardship groups that have been organized to improve water quality in each watershed. OKI’s Stream Database Glossary defines the widely accepted concepts, specialized terms and acronyms associated with watersheds and water quality.</SPAN></SPAN></P><P STYLE="margin:0 0 0 0;"><SPAN /></P></DIV></DIV></DIV> |
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<DIV STYLE="text-align:Left;"><P STYLE="font-size:16ptmargin:0 0 11 0;"><SPAN>The data contained within this GIS layer is intended for informational purposes only and should not be substituted for site-specific surveys or other primary data sources. Users are responsible for verifying the accuracy and suitability of the data for their specific purposes. OKI shall not be liable for any direct, indirect, incidental, consequential, or special damages arising out of the use of or inability to use this data. By acceptance of this data, the user agrees to include a copy of this metadata record, including the liability disclaimer, whenever the user transmits or provides the GIS Data (or any portion of it) to another user. </SPAN></P><P STYLE="font-size:16ptmargin:0 0 11 0;"><SPAN STYLE="font-weight:bold;">Liability Disclaimer:</SPAN></P><P STYLE="font-size:16ptmargin:0 0 11 0;"><SPAN>While every effort has been made to ensure the accuracy and reliability of the data within this GIS database, OKI makes no warranty, expressed or implied, nor assumes any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed, or represents that its use would not infringe on privately owned rights. This data is provided "as is" without warranty of any kind, either express or implied, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose. </SPAN></P></DIV> |
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Watersheds With Stream Database Attributes |
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["Hydrologic Unit Code","HUC","Watershed","Watershed Boundary Dataset","Stream Database","Total Maximum Daily Load","TMDL","Integrated Report","Watershed Action Plan","Stewardship Organization","Water Quality"] |
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en-US |
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150000000 |
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