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State
Beach Advisories (Postings and Closures) and Beach Water Quality Monitoring
State of California —
One of California's biggest industries is tourism, and beaches are a significant tourist attraction as well as being an integral part of California’s culture and... -
State
Citizen Statewide Lake Monitoring Assessment Program (CSLAP) Lakes
State of New York —
The dataset represents the lakes participating in the Citizen Statewide Lake Monitoring Assessment Program (CSLAP). CSLAP is a volunteer lake monitoring and education... -
State
Surface Water - Habitat Results
State of California —
This data provides results from field analyses, from the California Environmental Data Exchange Network (CEDEN). The data set contains two provisionally assigned... -
State
2019 California Water Quality Status Report
State of California —
The California Water Quality Status Report is an annual data-driven snapshot of the Water Board’s water quality and ecosystem data. This third edition of the report... -
State
California's Groundwater Update 2020 (Bulletin 118)
State of California —
California's Groundwater Update 2020 (CalGW) is California's foremost technical publication on groundwater in the state of California. CalGW, formally known as... -
State
Impaired 2006 River Lake Estuary Set
State of Connecticut —
Connecticut 303(d) Impaired Waters 2006 is a subset of Connecticut 305(b) Assessed Waters 2006. If any one of the assigned designated uses is categorized as NOT... -
State
Ground Water - Water Quality Results
State of California —
Groundwater quality data and related groundwater well information available on the page was queried from the GAMA Groundwater information system (GAMA GIS). Data... -
State
MD iMAP: Maryland Research Reserves - Chesapeake Bay National Estuarine Research Reserves
State of Maryland —
This is a MD iMAP hosted service. Find more information at http://imap.maryland.gov. The National Estuarine Research Reserve System (NERRS) is a network of protected... -
State
MD iMAP: Maryland Gauges - Tide Gauge Locations
State of Maryland —
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. This data layer shows the locations of NOAA tide gauges in Maryland.... -
State
MD iMAP: Maryland Recreational Uses - Winter Sports
State of Maryland —
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. These baseline recreational use data will inform planning efforts being... -
State
Groundwater Management Area Lower Umatilla
State of Oregon —
This polygon layer contains a spatial representation of a geographic area that is designated as a Groundwater Management Area for the Lower Umatilla Basin in Oregon. -
State
MD iMAP: Maryland Watersheds - 12 Digit Watersheds
State of Maryland —
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. This file (SWSHED12) is a statewide digital watershed file. It was created... -
State
30x30 Conserved Areas, Terrestrial (2023)
State of California —
The Terrestrial 30x30 Conserved Areas map layer was developed by the CA Nature working group, providing a statewide perspective on areas managed for the protection or... -
State
Drinking Water - Open Environmental Data Project - March 23, 2023 Workshop
State of California —
The following datasets related to regulated drinking water system facilities in California have been developed and are available for the purpose of the March 23,... -
State
Combined Sewer Overflows (CSOs): Beginning 2013
State of New York —
The dataset represents the locations of combined sewer overflow (CSOs) outfall locations in NYS. It also includes overflow detection capabilities of CSO communities... -
State
Impaired Estuary 2014
State of Connecticut —
Connecticut 303(d) Impaired Waters 2014 is a subset of Connecticut 305(b) Assessed Waters 2014. If any one of the assigned designated uses is categorized as NOT... -
State
California Water Plan - Groundwater Update 2013
State of California —
California's Groundwater Update 2013: A Compilation of Enhanced Content for California Water Plan Update 2013 compiles and analyzes readily-available groundwater... -
State
Reported Sewer Overflows
State of Maryland —
NOTE: This dataset is no longer updated. Due to a change in databases, overflows after after January 31, 2023 are reported at... -
State
Volumetric Annual Report of Wastewater and Recycled Water
State of California —
The Water Quality Control Policy for Recycled Water (Recycled Water Policy) requires wastewater and recycled water dischargers (including dischargers that do not...