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Federal
BLM Natl AIM Riparian and Wetland Indicators Hub
Department of the Interior —
This feature class includes monitoring data collected nationally to understand the status, condition, and trend of resources on BLM lands. Data are collected in... -
Federal
BLM OR Hydrography Area Polygon Hub
Department of the Interior —
HYD_AREA_POLY: This dataset contains area features from the US Geologic Survey (USGS) High Resolution National Hydrography Dataset (NHD). NHD Flowline features are... -
State
MD iMAP: Maryland Water Quality - Tier II High Quality Waters 2012
State of Maryland —
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. The intent of this dataset is for it to be used to produce maps and provide... -
Federal
BLM OR Fish Anadromous Arc Hub
Department of the Interior —
FISH_ANADROMOUS_ARC: This feature class is used to determine whether a particular anadromous fish species is present in a stream, which can affect protection buffer... -
Federal
BLM OR Fish Resident Arc Hub
Department of the Interior —
FISH_RESIDENT_ARC: This feature class is used to determine whether a particular resident fish species is present in a stream, which can affect protection buffer... -
Federal
BLM Natl AIM Lotic Public Geodatabase
Department of the Interior —
The AIM Strategy provides a standard, quantitative approach to assessing the health of uplands (terrestrial), rivers and streams (lotic), and riparian and wetland... -
Federal
BLM Natl AIM Lotic Indicators Hub
Department of the Interior —
This feature class includes monitoring data collected nationally to understand the status, condition, and trend of resources on BLM lands. Data are collected in... -
State
MD iMAP: Maryland Tidal Waters
State of Maryland —
This is a MD iMAP hosted service. Find more information on http://imap.maryland.gov. The MD_Surface_Waters Feature Dataset includes 7 feature classes that... -
Federal
BLM OR Hydrography Point Hub
Department of the Interior —
HYD_POINT: This dataset contains point features from the US Geologic Survey (USGS) High Resolution National Hydrography Dataset (NHD). NHD point features include... -
County
Hydrologic Information Center - Station Search
King County, Washington —
Search for monitoring stations maintained by King County's Hydrologic Information Center. (use a blank search to see all stations). -
State
MD iMAP: IR2012 RiversStreams
State of Maryland —
This is a MD iMAP hosted service. Find more information on http://imap.maryland.gov. The MD_Surface_Waters Feature Dataset includes 7 feature classes that... -
Federal
SWAGMAN-Whatif
Department of Agriculture —
Effectively managing salt affected irrigated lands and judicially using irrigation water of marginal salinity quality requires understanding the interactions among... -
City
Jefferson County KY Streams - 2019
Louisville Metro Government —
The Hydrographic Lines (HL_LINE) layer consists of polyline boundaries of water bodies such as lakes, basins, ponds and wet streams within Jefferson County, Kentucky... -
Federal
National Wild and Scenic River Eligible and Suitable Lines (Feature Layer)
Department of Agriculture —
This vector line dataset represents the river center line that are eligible, eligible and suitable, and eligible and not suitable for designation as a National Wild... -
State
MD iMAP: IR2012 Impoundments
State of Maryland —
This is a MD iMAP hosted service. Find more information on http://imap.maryland.gov. The MD_Surface_Waters Feature Dataset includes 7 feature classes that... -
State
MD iMAP: Maryland Waterbodies - Rivers and Streams (Detailed)
State of Maryland —
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. Line features of rivers and streams (detailed shape) in Maryland. Last... -
State
MD iMAP: Maryland Rivers
State of Maryland —
This is a MD iMAP hosted service. Find more information on http://imap.maryland.gov. The MD_Surface_Waters Feature Dataset includes 7 feature classes that... -
State
MD iMAP: Tidal Waters - Swimming/Bacteria Assessments only
State of Maryland —
This is a MD iMAP hosted service. Find more information on http://imap.maryland.gov. The MD_Surface_Waters Feature Dataset includes 7 feature classes that... -
Federal
BLM CA Wild and Scenic River Lines
Department of the Interior —
This polygon feature class represents the spatial extent and boundaries of the BLM National Landscape Conservation System (NLCS) Wild and Scenic River Corridors. This...