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Federal
Estimates of lake nitrogen, phosphorus, and chlorophyll-a concentrations to characterize harmful algal bloom risk across the United States
U.S. Environmental Protection Agency —
The objective of this research was to predict nutrient, chlorophyll-a, and associated harmful algal bloom, hypoxia, and eutrophication effects in US lakes. This... -
Federal
Safe Drinking Water Information System (SDWIS)
U.S. Environmental Protection Agency —
The Safe Drinking Water Information System (SDWIS) contains information about public water systems and their violations of EPA's drinking water regulations. -
Federal
Drinking Water Maximum Contaminant Levels (MCLs)
U.S. Environmental Protection Agency —
National Primary Drinking Water Regulations (NPDWRs or primary standards) are legally enforceable standards that apply to public water systems. Primary standards... -
Federal
National watershed boundary (HUC12) dataset for the conterminous United States, retrieved 10/26/2020
Department of the Interior —
This child item provides a snapshot of the watershed boundary dataset which consists of a shapefile with 87,020 12-digit hydrologic unit codes (HUC12) for the... -
State
Drinking Water - Public Water System Information
State of California —
The is a curated dataset of information for all public water systems (PWS) in California, including the name, location and some general informaiton for each PWS. The... -
Federal
Safe Drinking Water Information System (SDWIS) Federal Reports Advanced Search Tool
U.S. Environmental Protection Agency —
A database where EPA has compiled data on public drinking water systems and whether they have certain drinking water violations. This data is collected by the states... -
Federal
Drinking Water State Revolving Fund
U.S. Environmental Protection Agency —
The Drinking Water State Revolving Fund (DWSRF) National Information Management System collects information that provide a record of progress and accountability for... -
Federal
PFAS flushing from home plumbing and impacts of stagnation
U.S. Environmental Protection Agency —
Per- and polyfluoroalkyl substances (PFAS) from aqueous film forming foam (AFFF) can be accidentally backflushed into drinking water systems during firefighting... -
Federal
Unregulated Contaminant Monitoring Rule 3 (UCMR 3), (2013-2015) Occurrence Data
U.S. Environmental Protection Agency —
The third Unregulated Contaminant Monitoring Rule (UCMR 3), conducted under EPA oversight, was published in the Federal Register on May 2, 2012. UCMR 3 requires... -
Federal
Safe Drinking Water Information System (SDWIS) Federal Reporting Services (Jan. 1, 2010 to Dec. 31, 2017)
U.S. Environmental Protection Agency —
This dataset is made up of seven separate reports from the U.S. Environmental Protection Agency's (USEPA) Safe Drinking Water Information System (SDWIS). Site visits... -
Federal
United States Estimated Water Sources - 2020 Census Blocks
U.S. Environmental Protection Agency —
This dataset contains the results of EPAs estimates for domestic water supply in The United States for 2020 census blocks. The file is a comma-delimited text file,... -
Federal
RadNet Map Interface for Near-Real-Time Radiation Monitoring Data
U.S. Environmental Protection Agency —
RadNet is a national network of monitoring stations that regularly collect air, precipitation, drinking water, and milk samples for analysis of radioactivity. The... -
Federal
Drinking Water Microbiome Sequence Data Set
U.S. Environmental Protection Agency —
The fasta file (BM_OTU.fasta) contain the sequences of the bacterial 16S rRNA-encoding V4 region gene (≈250 nt) for each Operational Taxonomic Unit (OTU). This... -
Federal
Safe Drinking Water Information System - State System (SDWIS/State)
U.S. Environmental Protection Agency —
SDWIS/State is a data system that EPA is developing for states that will improve the quality of drinking water information. -
Federal
Microbial Community Analysis based on 16S rRNA gene of Sediment Layers
U.S. Environmental Protection Agency —
A table (DP_OTU.xlsx) contains rows as OTUs, columns as samples, and entries representing the abundance of each OTU. This dataset is associated with the following... -
Federal
SDWISFED Drinking Water Data
U.S. Environmental Protection Agency —
SDWIS/FED is EPA's national regulatory compliance database for the drinking water program. It includes information on the nation's 160,000 public water systems and... -
State
Drinking Water - Public Water System Annually Reported Number of Service Connections Metered and Unmetered by Service Connection Type
State of California —
This dataset includes the number of service connections, categorized by type and metering status, as submitted by public water systems via the electronic annual... -
State
Winolequa Learning Academy
State of Washington —
Lead in Drinking Water in Schools Test Results – Winolequa Learning Academy -
Federal
Unregulated Contaminant Monitoring Rule 2 (UCMR 2), (2008-2010) Occurrence Data
U.S. Environmental Protection Agency —
The Unregulated Contaminant Monitoring Rule supporting the second cycle (UCMR 2) of monitoring, conducted under EPA oversight, was published in the Federal Register...