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State
Flood Alert Gage User Sign-up Data 12/22
State of Washington —
Flood Alert Gage User Sign-up numbers by Gage Location for the Chehalis River Basin Flood Authority - last updated 12/05/2022. -
State
305b Assessed 2014 River
State of Connecticut —
305b Assessed 2014 River Lake Estuary Set: Connecticut 305b Assessed River 2014 is a 1:24,000-scale, line feature-based layer that includes rivers that have been... -
State
DrainageArea NGDA
State of Oregon —
The USGS 3D Hydrography Program (3DHP) ArcGIS REST service (3DHP_all) from The National Map is the first of several data services that will be delivered by the 3D... -
City
SPU DWW Sub-Basins
City of Seattle —
The polygons are intended for use by the City of Seattle as planning-level tool for a preliminary understanding of the drainage patterns in particular areas of the... -
State
Stream Habitat Reach Summary - Russian River [ds77]
State of California —
Results of in-stream habitat surveys (Downie et al 1998 method), summarized by stream reach, for DFG surveys conducted between 1994 and 2001 (inclusive) in the... -
State
305b Assessed Estuary 2018
State of Connecticut —
305b Assessed 2018 River Lake Estuary Set: Connecticut 305b Assessed Estuary 2018 is a 1:24,000-scale, polygon feature-based layer that includes estuaries that have... -
State
SVSim: Sacramento Valley Groundwater-Surface Water Simulation Model
State of California —
The Department of Water Resources (DWR) has developed a new model, the Sacramento Valley Groundwater-Surface Water Simulation Model (SVSim). This new model will... -
State
Salmonid Population Monitoring Areas - California - CMP [ds3001]
State of California —
The California Monitoring Plan (CMP) salmonid monitoring areas and associated population data are part of an ongoing effort to summarize existing and past salmonid... -
State
ACT250 Districts
Vermont Center for Geographic Information —
The ACT 250 Districts layer is part of a larger dataset that contains administrative boundaries for Vermont's Agency of Natural Resources. The dataset includes... -
Federal
BLM Natl 3DEP Areas
Department of the Interior —
BLM Priority areas that include the following. High – These areas include BLM managed lands within the larger collaborative multi-agency LiDAR acquisition areas that... -
Federal
BLM Natl WesternUS EIS Boundaries
Department of the Interior —
This feature class represents the product of merge and dissolve operations in ArcGIS with the inputs being the individually submitted EIS boundary datasets. EIS... -
State
Connecticut Dams - Public Use
State of Connecticut —
Connecticut Dams is a 1:24,000 scale spatial data developed for use by the Dam Safety Section of the Inland Water Resources Division, Bureau of Water Protection and... -
State
Local Drainage Basin Direction
State of Connecticut —
See full Data Guide here. Drainage Basin Set: Connecticut Drainage Basins is 1:24,000-scale, polygon and line feature data that define natural drainage areas in... -
State
Subregional Drainage Basin Direction
State of Connecticut —
A standardized mapping of natural drainage basins in Connecticut was completed in 1981 by the Connecticut Department of Environmental Protection (DEP). This drainage... -
State
Regional Drainage Basin Polygon
State of Connecticut —
See full Data Guide here. Regional Drainage Basin Set: Connecticut Regional Drainage Basins is 1:24,000-scale, polygon and line feature data that define Regional... -
Federal
Data from: Long-Term Agroecosystem Research in the Central Mississippi River Basin: Goodwater Creek Experimental Watershed and Regional Herbicide Water Quality Data
Department of Agriculture —
The GCEW herbicide data were collected from 1991-2010, and are documented at plot, field, and watershed scales. Atrazine concentrations in Goodwater Creek... -
State
i03 Water Plan Planning Areas
State of California —
Description for i03_DAU_county_cnty2018 is as follows:Detailed Analysis Unit-(DAU) Convergence via County Boundary cnty18_1 for Cal-Fire, (See metadata for CAL-FIRE... -
State
i03 Hydrologic Regions
State of California —
Description for i03_DAU_county_cnty2018 is as follows:Detailed Analysis Unit-(DAU) Convergence via County Boundary cnty18_1 for Cal-Fire, (See metadata for CAL-FIRE... -
State
i03 Groundwater Sustainability Agencies
State of California —
The passage of the Sustainable Groundwater Management Act (SGMA) in 2014 set forth a statewide framework to help protect groundwater resources over the long-term....