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Safe Drinking Water Information System (SDWIS)
The Safe Drinking Water Information System (SDWIS) contains information about public water systems and their violations of EPA's drinking water regulations. -
Drinking Water Maximum Contaminant Levels (MCLs)
National Primary Drinking Water Regulations (NPDWRs or primary standards) are legally enforceable standards that apply to public water systems. Primary standards protect public... -
SDWISFED Drinking Water Data
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 violations of... -
RadNet Map Interface for Near-Real-Time Radiation Monitoring Data
RadNet is a national network of monitoring stations that regularly collect air, precipitation, drinking water, and milk samples for analysis of radioactivity. The RadNet... -
Safe Drinking Water Information System - State System (SDWIS/State)
SDWIS/State is a data system that EPA is developing for states that will improve the quality of drinking water information. -
Raw data of Legionella pneumophila determined by culture and Legiolert methods
This Excel file contains all the raw data of Legionella pneumophila determined by both culture and Legiolert methods. Datasheets were prepared separately for each figure and... -
PFAS flushing from home plumbing and impacts of stagnation
Per- and polyfluoroalkyl substances (PFAS) from aqueous film forming foam (AFFF) can be accidentally backflushed into drinking water systems during firefighting operations or at... -
United States Estimated Water Sources - 2020 Census Blocks
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, which... -
Enforcement and Compliance Information Center - ECIC
Enforcement and Compliance Information Center - ECIC is a repository of external policy and guidance documents, links to cases and settlements, civil and criminal complaints... -
Wildfire and Public Drinking Water Datasets
These datasets contain the public drinking water contaminant violation, concentration data, wildfire data, and other supplementary datasets used to assess the impact of wildfire... -
Satellite monitoring of cyanobacterial harmful algal bloom frequency in recreational waters and drinking water sources
This dataset shows the concentration of cyanobacteria cells/ml in fresh water bodies and estuaries of the Ohio and Florida derived from 300x300 meter MEdium Resolution Imaging... -
Drinking Water Microbiome OTU Abundance Data Set
An abundance matrix (BM_OTU.xlsx) contains rows as OTU, columns as samples, and entries representing the abundance of each OTU as a ratio of all sequences obtained for each... -
Safe Drinking Water Information System (SDWIS) Federal Reports Advanced Search Tool
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 and given... -
Fate of Contaminants of Emerging Concern and Potential for Human Exposure Resulting from De Facto Water Reuse Dataset
Dataset summarizes the results of a study to examine de facto reuse of contaminants of emerging concern -
Drinking Water State Revolving Fund
The Drinking Water State Revolving Fund (DWSRF) National Information Management System collects information that provide a record of progress and accountability for the program.... -
Information Collection Rule Federal Database
The Information Collection Rule (ICR) Federal database includes research data from an 18-month study of disinfection byproducts and microbial contaminants. -
Microbial Community Analysis based on 16S rRNA gene of Sediment Layers
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 publication:... -
Drinking Water Microbiome Taxonomic Lineage Abundance Data Set
An abundance matrix (BM_taxonomic_lineage.xlsx) contains rows as taxonomic lineage, columns as samples, and entries representing the abundance of each lineage as a ratio of all... -
Safe Drinking Water Information System (SDWIS) Federal Reporting Services (Jan. 1, 2010 to Dec. 31, 2017)
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 were... -
Unregulated Contaminant Monitoring Rule 3 (UCMR 3), (2013-2015) Occurrence Data
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 monitoring for...
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