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Federal
USGS Water-Quality Data for the Nation - National Water Information System (NWIS)
Department of the Interior —
The USGS compiles online access to water-resources data collected at approximately 1.5 million sites in all 50 States, the District of Columbia, Puerto Rico, the... -
Federal
USGS Surface-Water Data for the Nation - National Water Information System (NWIS)
Department of the Interior —
The USGS compiles online access to water-resources data collected at approximately 1.5 million sites in all 50 States, the District of Columbia, Puerto Rico, the... -
Federal
USGS Groundwater Data for the Nation - National Water Information System (NWIS)
Department of the Interior —
The USGS compiles online access to water-resources data collected at approximately 1.5 million sites in all 50 States, the District of Columbia, Puerto Rico, the... -
Federal
Bromodichloromethane Evidence Map Dataset
U.S. Environmental Protection Agency —
This dataset contains the title and abstract level and full text screening results of a systematic literature search for the disinfection byproduct... -
Federal
Shell Day Data
U.S. Environmental Protection Agency —
“Shell Day” was a single-day regional water monitoring event coordinating simultaneous coastal carbonate chemistry observations by 59 community science programs and 7... -
Federal
National Aquatic Resource Survey data
U.S. Environmental Protection Agency —
Surface water monitoring data from national aquatic surveys (lakes, streams, rivers). This dataset is associated with the following publication: Stoddard , J., J. Van... -
Federal
Environmental Resource Monitoring Locations within the Vicinity of Coal Mining Operations
Department of the Interior —
As described by ASTM D7780-12: This feature class contains points that depict the location of environmental resource monitoring locations (ERMLs), including... -
Federal
NCRN Water Monitoring Data - Common View Format
Department of the Interior —
This database contains water monitoring data collected by NCRN in the CVDT format used by data visualization and other systems. This version of the data is not... -
Federal
MDDNR, Station Gooses - Surface
National Oceanic and Atmospheric Administration, Department of Commerce —
At continuous monitoring sites throughout Maryland, water quality is monitored at shallow water sites located in Chesapeake Bay, Chesapeake Bay tributaries and... -
Federal
Dataset for evaluating timescales of Benthic Macrofaunal Response to Diel and Episodic Low Oxygen in a Subtropical Estuary
U.S. Environmental Protection Agency —
This dataset is a collection of three spreadsheets with data that went in to the manuscript associated with this record. "Pensacola Mid Bay WQM Master_11.2023.xlsx"... -
Federal
Effects-based monitoring of bioactive compounds associated with municipal wastewater treatment plant effluent discharge to the South Platte River, Colorado, USA
U.S. Environmental Protection Agency —
The datafile contains data associated with analytical chemistry, fish gene expression, in vitro bioassays, chemical prioritization, and Attagene data for surface... -
Federal
CeNCOOS in situ water monitoring data at Trinidad Head, California - sea_water_ph_reported_on_total_scale
National Oceanic and Atmospheric Administration, Department of Commerce —
The Trinidad shore station is maintained by Humboldt State University. The station has been operational since 2012 and consists of subsurface sensors mounted rigidly... -
Federal
Data for monitoring trace metal and benthic community near the Palo Alto Regional Water Quality Control Plant in South San Francisco Bay, California (ver. 3.0, July 2025)
Department of the Interior —
Trace-metal concentrations in sediment and in the clam Macoma petalum (World Register of Marine Species, 2025; formerly reported as Limecola balthica and M. petalum),... -
Federal
Newberry EGS Demonstration: Well 55-29 Stimulation Data
Department of Energy —
The Newberry Volcano EGS Demonstration in central Oregon, a 3 year project started in 2010, tests recent technological advances designed to reduce the cost of power... -
State
CalSIP Stream Gages
State of California —
More information can be found at the CA DWR California Stream Improvement Program webpage at https://water.ca.gov/Work-With-Us/Technical-Assistance/Stream-Gage-... -
State
Bear Creek Riparian Restoration [ds2816]
State of California —
Every year since 2002, members of the BCWG have participated in the international education and outreach program, World Water Monitoring Day, by collecting basic... -
Federal
Dissolved inorganic carbon, total alkalinity, sensor pH, pCO2, rhodamine concentration, nutrients, and other variables obtained from a tracer study for the development of in-water monitoring, reporting, and verification (MRV) of ship-based ocean alkalinity enhancement aboard the R/V Connecticut crise (EXPOCODE 33LQ20230901) in the North Atlantic Ocean, Northeast U.S. Shelf in from 2023-09-02 to 2023-09-04 (NCEI Accession 0305856)
National Oceanic and Atmospheric Administration, Department of Commerce —
This data package contains the shipboard (CTD bottle, CTD sensor profile, and underway measurements) and drifter data collected during a tracer study for the... -
Federal
Utah FORGE: Wells Wow2 and Wow3 Groundwater Monitoring Data
Department of Energy —
This dataset includes ground water level data for Utah FORGE Phase 2c ground water monitoring wells Wow2 and Wow3. The readme file explains the fields contained in... -
State
Surface Water - Flow Targets for Southern California Streams
State of California —
Changes to instream flow are known to be one of the major factors that affect the health of biological communities. Flow alteration can degrade physical habitat and... -
Federal
CeNCOOS in situ Water monitoring data at the Santa Cruz municipal wharf
National Oceanic and Atmospheric Administration, Department of Commerce —
These nearshore sensors are part of the Central and Norther California Ocean Observing System (CeNCOOS). They measure various water quality parameters at fixed points...