78 datasets found for "Hydrology"
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County
Lake County Wetland Inventory
Lake County, Illinois —
Download In State Plane Projection Here The Lake County Wetland Inventory (LCWI) maps natural and artificial wetlands meeting definitions established by the federal... -
City
SPU DWW CSO Basins
City of Seattle —
This layer indicates which areas contribute sanitary and storm water flow to a CSO overflow point. Areas are broken down by NPDES Outfall Number. The data source is... -
State
Natural Heritage Areas
State of Maryland —
The multiple vector file denotes the 32 areas designated in the state's Threatened and Endangered Species regulations (COMAR 08.03.08) under section .10 Natural (1)... -
State
Groundwater Capture Zones
State of Iowa —
Groundwater capture zones are area projected to the land surface determined to provide water to the wells. Capture zones are determined for each groundwater-based... -
State
6-digit HU (Basin) NGDA
State of Oregon —
Abstract: This file contains Hydrologic Unit (HU) polygon boundaries for the United States, Puerto Rico, and the U.S. Virgin Islands. The data is a seamless National... -
County
King County Ambient Streams Monitoring - Gaging Details
King County, Washington —
This dataset contains information on gaging locations associated with King County ambient stream monitoring program sites, including their status, location, and... -
City
Drainage Pipe
City of Austin —
The data being collected is to be used for several purposes: - Hydraulic/hydrologic modeling input - Work Order Management System integration - Map book production -... -
State
8-digit HU (Subbasin) NGDA
State of Oregon —
Abstract: This file contains Hydrologic Unit (HU) polygon boundaries for the United States, Puerto Rico, and the U.S. Virgin Islands. The data is a seamless National... -
State
Soils Drainage Class
State of Connecticut —
Drainage class (natural)" refers to the frequency and duration of wet periods under conditions similar to those under which the soil formed. Alterations of the water... -
State
Rivers and Streams - Generalized
State of Maryland —
The digital segmented network based on watershed boundaries, ERF1-2, includes enhancements to the U.S. Environmental Protection Agency's River Reach File 1 (RF1)... -
State
Quaternary Geology Cross Section Lines
State of Connecticut —
Connecticut Quaternary Geology Geologic Basin Divides includes the drainage basins divides appearing on Sheet 1 of the The Quaternary Geologic Map of Connecticut and... -
State
HUC Watershed Line
State of Connecticut —
This data set is a digital hydrologic unit boundary layer that is at the Subwatershed (12-digit) level. The original data set was developed by delineating the... -
State
Impaired River 2010
State of Connecticut —
Connecticut 303(d) Impaired Waters 2010 is a subset of Connecticut 305(b) Assessed Waters 2010. If any one of the assigned designated uses is categorized as NOT... -
County
Allegheny County Hydrology Areas
Allegheny County / City of Pittsburgh / Western PA Regional Data Center —
The Hydrology Feature Dataset contains photogrammetrically compiled water drainage features and structures including rivers, streams, drainage canals, locks, dams,... -
State
WBDLine NGDA
State of Oregon —
Abstract: This file contains Hydrologic Unit (HU) polygon boundaries for the United States, Puerto Rico, and the U.S. Virgin Islands. The data is a seamless National... -
State
8 Digit Watersheds
State of Maryland —
This file (SWSUB8) is a statewide digital watershed file. It depicts the State with 138 separate watersheds each with an 8-digit numeric code. The file was created... -
State
Dams
Vermont Center for Geographic Information —
This dataset is generated from Dam Inventory. The inventory is managed by the VT DEC's Dam Safety and Hydrology Section and contains information about Vermont's dams.... -
State
Quaternary Geology LIS End Moraine
State of Connecticut —
Connecticut Quaternary Geology Long Island Submerged Marine Fluvial-Estuarine, Channel-Fill Deposits identifies early postglacial, channel-fill deposits submerged in...
78 datasets found for "Hydrology"