Drinking Water Portal - PWS Samples

Additional information about contaminant types: Bacteria includes MOR group Monitoring Organism such as Coliform, Fecal Coliform and E coli. Chemicals include Inorganic Chemicals like Lead, Copper, Nitrate, Nitrite, Organic Chemicals like TTHM, HAA5, SOC/VOC, Radium including Radium combined, gross alpha, Uranium, and Water Quality parameters like Chlorite and Turbidity.

Analyte
Analyte refers to the common name of a contaminant as used by states and EPA in rules and other regulatory documents.

Please select a Contaminant Type
Analyte refers to the common name of a contaminant as used by states and EPA in rules and other regulatory documents.

Analyte refers to the common name of a contaminant as used by states and EPA in rules and other regulatory documents.

Analyte Group refers to a set of similar analytes that are often analyzed and determined at the same time during testing.

PWS ID uniquely identifies the Water Supply within a specific state. It is a unique 9-digit number that begins with IA for Iowa's Water Supply, for example IA1234567. PWS Name refers to the name of the Water Supply system.
Sample Collection ( - )
Sample Collection Date refers to the date when the water sample is collected for testing and analysis.

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Detect shows results where a measurable concentration of the analyte was observed during analysis, meaning the analyte is present. Non-detect shows results where a measurable concentration of the analyte was NOT observed during analysis, meaning the analyte is absent.

Sample Number uniquely identifies the sample number assigned by the laboratory for a specific sample or set of samples.

Contaminant Type: One option must be selected. Select only one i.e. either Bacteria or Chemicals. Due to large sample data you can't select both.
Sample Collection Date: For Bacteria the max date range selection is 3 years and for Chemicals the max date range selection is 9 years.
If you are looking for samples during a specific time period then please select the date range for Sample Collection Date.
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