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Aquatic Biological Monitoring
Assessments are intended to give users the ability to review NYS stream biological health determinations as they relate to the most recently performed Biological Assessment... -
Ecologically Sensitive Streams (line)
This data includes streams of Arkansas that have been designated as Ecologically Sensitive Waterbodies, as indicated by Regulation No. 2 adopted by the Arkansas Pollution... -
Extraordinary Resource Waters Lakes (polygon)
This dataset has no description
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2026 Impaired Lakes 303 d list in Category 5ALT
This dataset has no description
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Natural and Scenic Streams (line)
The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that make up the nation's surface... -
Trout Streams (line)
The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that make up the nation's surface... -
Extraordinary Resource Waters Streams (line)
The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that make up the nation's surface... -
Ecologically Sensitive Springs and Seeps (polygon)
This data includes springs and seeps of Arkansas that have been designated as Ecologically Sensitive Waterbodies, as indicated by Regulation No. 2 adopted by the Arkansas... -
2026 Impaired Streams 303 d list in Category 1B
This dataset has no description
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2024 Impaired Lakes 303d List In Category 4A
This dataset has no description
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2024 Impaired Streams 303 d list in Category 5ALT
This dataset has no description
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Nutrient Surplus Area (polygon)
Nutrient Surplus Areas as defined by the Arkansas 84th General Assembly and modified by the 85th General Assembly. These were delineated by using the12 digit HUCs as described... -
Water Districts (polygon)
Data available online through GeoStor at http://www.geostor.arkansas.gov. AHTD County Boundaries for year end 2000 information. This file contains location information for... -
Trout Lakes (polygon)
The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that make up the nation's surface... -
Use Attainability Analysis Streams (line)
This data includes segments of Arkansas streams that have been designated for Use Attainability Analysis, as indicated by Regulation No. 2 of the Arkansas Pollution Control And... -
Dams
The Dams dataset is a representation of the National Inventory of Dams (NID), maintained and published by the U.S. Army Corps of Engineers, in cooperation with the Association...