Data and Tools

Download Data

Data download tool for the Clean Air Status and Trends Network (CASTNET)

Optimization to Reduce Disinfection Byproducts (DBPs)

Tools and approaches that both parent and consecutive drinking water systems can utilize to reduce Disinfection Byproducts (DBPs) in the water treatment plant and the distribution system.

Green Power Equivalency Calculator

Use this calculator to translate your green power use from kilowatt-hours to more understandable terms, such as the equivalent number of average American homes it could power or miles an electric car could drive.

ZIO433

Zion National Park - Dalton's Wash (ZIO433) CASTNET site location,

Air Quality Trends - How to Interpret the Graphs

This page provides an example graph and explains what the lines represent.

Informational Webinar on Identifying Additional Areas Subject to Mitigation Plan Requirements Under the 2016 Exceptional Events Rule

This meeting and webinar information regarding mitigation plan requirements under the 2016 exceptional events rule.

WhAEM2000 BBM Files - Sioux Falls, South Dakota

WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for Sioux Falls Quadrangle, South Dakota. Files serve as geographic basis for groundwater modeling.

WhAEM2000 BBM Files - Sioux City South, Nebraska

WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for Sioux City South Quadrangle, Nebraska. Files serve as geographic basis for groundwater modeling.

WhAEM2000 BBM Files - Butte North, Montana

WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for Butte North Quadrangle, Montana. Files serve as geographic basis for groundwater modeling.

WhAEM2000 BBM Files - Elm River, South Dakota

WhAEM2000 (Wellhead Analytic Element Model) binary base map browser for Elm River Quadrangle, South Dakota. Files serve as geographic basis for groundwater modeling.

Bioaccumulation and Aquatic System Simulator (BASS)

On Bioaccumulation and Aquatic System Simulator (BASS), a model that simulates the population and bioaccumulation dynamics of age-structured fish communities.

DOE RESL Method P-2: 32P Fish, Vegetation, Dry Ash, Ion Exchange

This method uses Cerenkov counting and liquid to determine scintillation phosphorus in soil, sediment, wipes, air filters and vegetation.

EPA Method 524.2: Measurement of Purgeable Organic Compounds in Water by Capillary Column Gas Chromatography/Mass Spectrometry

SAM lists this method for preparation and analysis of water samples to address carbon disulfide, 1,2-dichloroethane, acrylonitrile and methyl acrylonitrile, using GC-MS.

Additional Areas Subject to Mitigation Plan Requirements Under the Exceptional Events Rule

This page contains letters and documents associated with mitigation plans under the Exceptional Events Rule.

EPA Method 350.1: Determination of Ammonia Nitrogen by Semi-Automated Colorimetry

SAM lists this method for preparation and analysis of drinking water samples for ammonia, using visible spectrophotometry.

EPA Method 335.4: Determination of Total Cyanide by Semi-Automated Colorimetry

SAM lists this method for preparation and analysis of drinking water samples to determine total cyanide, using semi-automated colorimetry.

Method 200.7: Determination of Metals and Trace Elements in Water and Wastes by Inductively Coupled Plasma-Atomic Emission Spectrometry

SAM lists this method for preparation and analysis of drinking water samples for total arsenic, thallium and vanadium, using inductively coupled plasma-atomic emission spectrometry.