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This dataset was created as part of the North Dakota Department of Environmental Quality-Surface Water Quality Data Portal that allows for public access to surface water quality monitoring data. This dataset contains the streams and rivers that have been assessed and categorized by North Dakota Department of Environmental Quality - Water Quality (NDDEQ-WQ) for the 2020-2022 Integrated Reporting cycle. The Integrated Report is pending approval from the US EPA. The streams and rivers are a subset of the 1:100,000 scale National Hydrography Dataset (NHD). Since the streams and rivers are a subset of the NHD dataset, only that subset is included in this dataset. |
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This dataset was created as part of the North Dakota Department of Environmental Quality-Surface Water Quality Data Portal that allows for public access to surface water quality monitoring data. This dataset contains the streams and rivers that have been assessed and categorized by North Dakota Department of Environmental Quality - Water Quality (NDDEQ-WQ) for the 2020-2022 Integrated Reporting cycle. The Integrated Report is pending approval from the US EPA. The streams and rivers are a subset of the 1:100,000 scale National Hydrography Dataset (NHD). Since the streams and rivers are a subset of the NHD dataset, only that subset is included in this dataset. |
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North Dakota Department of Environmental Quality- Division of Water Quality Surface Water Quality Management Program; U.S. Geological Survey - 1:100,000-scale NHD |
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5000 |
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[] |
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<DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN STYLE="font-weight:bold;"><SPAN>North Dakota Department Environmental Quality </SPAN></SPAN><SPAN><SPAN>scientists report on the quality of the surface waters in the state every other year in the even numbered years. The results of the assessment is the Section 305(b) and 303(d) listed impaired waters.</SPAN></SPAN><SPAN STYLE="font-weight:bold;"><SPAN> </SPAN></SPAN><SPAN><SPAN> </SPAN></SPAN><SPAN><SPAN>For more information, please visit the NDDEQ Division of Water Quality - Watershed Management Program's website</SPAN></SPAN><SPAN STYLE="font-weight:bold;">.</SPAN></P><P><SPAN /><SPAN /><SPAN /><SPAN STYLE="font-weight:bold;"><SPAN>What is an Assessed Category stream or lake?</SPAN></SPAN><SPAN /><SPAN><SPAN> The Clean Water Act (CWA) contains several sections which require states to report on the quality of their waters. Section 305(b) (</SPAN></SPAN><SPAN STYLE="font-style:italic;"><SPAN>State Water Quality Assessment Report</SPAN></SPAN><SPAN><SPAN>) requires a comprehensive biennial report, and Section 303(d) requires a list of a state's water quality-limited waters needing total maximum daily loads (TMDLs) by April 1 of every even-numbered year. EPA suggests that states combine these two reports into one integrated report.</SPAN></SPAN></P><P><SPAN STYLE="font-weight:bold;"><SPAN>What is a TMDL?</SPAN></SPAN><SPAN /><SPAN> Total Maximum Daily Load (TMDL) is the amount of a particular pollutant that a particular stream, lake, estuary or other water body can "handle" without violating state water quality standards. </SPAN></P><P><SPAN STYLE="font-weight:bold;"><SPAN>What's the big deal? </SPAN></SPAN><SPAN /><SPAN><SPAN>Once a TMDL is established, responsibility for reducing pollution among both point sources (ex. pipes) and diffuse sources is assigned. Diffuse sources include, but are not limited to, run-off (urban, agricultural, forestry, etc.), leaking underground storage tanks, unconfined aquifers, septic systems, stream channel alteration and damage to a riparian area.</SPAN></SPAN></P></DIV></DIV></DIV> |
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<DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>The State of North Dakota has compiled this data according to conventional cartographic standards, using what is thought to be the most reliable information available. This data is intended to make results of research available at the earliest possible date, but is not intended to constitute final or formal publication. The State of North Dakota makes every effort to provide virus-free files but does not guarantee uncorrupted files. The State of North Dakota does not guarantee this data to be free from errors, inaccuracies, or viruses, and disclaims any responsibility or liability for interpretations or decisions based on this data.</SPAN></P><P><SPAN /></P></DIV></DIV></DIV> |
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| title:
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Assessed Category Streams |
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["Assessed Rivers","Assessed Streams","environment","North Dakota","ND","Integrated Report","EPA","TMDL","Clean Water Act","North Dakota Department of Environmental Quality - Water Quality (NDDEQ-WQ)"] |
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en-US |
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500000 |
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