Export Drinking Water Contaminants Data

Drinking water contaminants data are available for download in comma-separated values (CSV) format. Text files explaining the data fields and values are also available.

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• Drinking water contaminants data (CSV, 1.4MB)
• Drinking water contaminants data notes (TXT, 3KB)

Data include

• Data include

  • The average and maximum 1,4-dioxane concentrations in New York State public water systems by county, by population served, by year and by water system.
  • The average and maximum arsenic concentrations in New York State public water systems by county, by population served, by year and by water system.
  • The average and maximum atrazine concentrations in New York State public water systems by county, by population served, by year, by quarter, and by water system.
  • The average and maximum di(2-ethylhexyl)phthalate (DEHP) concentrations in New York State public water systems by county, by population served, by year and by water system.
  • The average and maximum haloacetic acid (HAA5) concentrations in New York State public water systems by county, by population served, by year, by quarter and by water system.
  • The average and maximum nitrate concentrations in New York State public water systems by county, by population served, by year, by quarter and by water system.
  • The average and maximum perchloroethene (PCE) concentrations in New York State public water systems by county, by population served, by year and by water system.
  • The average and maximum perfluorooctanoic acid (PFOA) concentrations in New York State public water systems by county, by population served, by year and by water system.
  • The average and maximum perfluorooctanesulfonic acid (PFOS) concentrations in New York State public water systems by county, by population served, by year and by water system.
  • The average and maximum radium concentrations in New York State public water systems by county, by population served, by year and by water system.
  • The average and maximum trichloroethene (TCE) concentrations in New York State public water systems by county, by population served, by year and by water system.
  • The average and maximum trihalomethanes (TTHM) concentrations in New York State public water systems by county, by population served, by year, by quarter and by water system.
  • The average and maximum uranium concentrations in New York State public water systems by county, by population served, by year and by water system.