Sample Collection Procedures

Instructions on how to collect water samples for different contaminants for Safe Drinking Water Act compliance at public water systems.

Videos

• Haloacetic Acids
• Lead and Copper
• Nitrate
• Total Coliform
• Total Organic Carbon
• Trihalomethanes

Written Instructions

• 1, 4-Dioxane (PDF) (July 2020)
• Arsenic (PDF) (March 2021)
• Arsenic Speciation (PDF) (March 2021)
• Asbestos (PDF) (October 2019)
• Diquat (PDF) (August 2021)
• Disinfection Byproducts - Bromate (PDF) (February 2021)
• Disinfection Byproducts - Chlorite (for Systems using Chlorine Dioxide) (PDF) (September 2021)
• Disinfection Byproducts (PDF) (April 2020)
• EDB Ethylene Dibromide (PDF) (March 2021)
• Endothall (PDF) (August 2021)
• Field Blanks (PDF) (April 2021)
• Fluoride (PDF) (March 2021)
• IOC Metal, Mercury, and Free Cyanide (PDF) (February 2021)
• Lead and Copper - Noncommunity Public Water Systems (PDF) (February 2021)

Lead and Copper - Community Public Water Systems

These documents refer to the Lead and Copper - Community Public Water Systems sample collection procedures listed below.

• Sample Collection Procedures -Lead and Copper (PDF) (March 2021)
• Selecting Lead & Copper Drinking Water Sample Sites (PDF) (June 2019)
  
  
  • For those using Minnesota Valley Testing Laboratories
    • Lead and Copper - Community Public Water Systems (Minnesota Valley Testing Laboratories) (PDF) (December 2021)
    • Water System Checklist for Lead and Copper Sampling (Minnesota Valley Testing Laboratories) (PDF) (December 2021)
  
  
  • For those using Pace Analytical Services, LLC
    • Lead and Copper - Community Public Water Systems (Pace Analytical Services, LLC) (PDF) (December 2021)
    • Water System Checklist for Lead and Copper Sampling (Pace Analytical Services, LLC) (PDF) (December 2021)
  
  
  • For those using RMB Environmental Laboratories, Inc.
    • Lead and Copper - Community Public Water Systems (RMB Environmental Laboratories, Inc.) (PDF) (December 2021)
    • Water System Checklist for Lead and Copper Sampling (RMB Environmental Laboratories, Inc.) (PDF) (December 2021)

• Manganese (PDF) (July 2020)
• Nitrate (PDF) (March 2021)
• Nitrite (PDF) (March 2021)
• Ortho-phosphate, Total Phosphate (PDF) (March 2021)
• Per- and Polyfluoroalkyl Substances (PFAS) (PDF) (September 2021)
• pH (Field) (PDF) (June 2018)
• Radium 226/228 and Gross Alpha (PDF) (March 2021)
• Silica (PDF) (March 2021)
• SOC Suite (Herbicide, BNA, Carbamate, and Glyphosate) (PDF) (March 2021)
• Sodium (PDF) (March 2021)
• Source and Water Quality Parameters (PDF) (March 2021)
• Sulfate (PDF) (April 2020)
• SUVA (UV abs., UV Absorbance @ 254 nm, and Dissolved Organic Carbon ([DOC]) (PDF) (April 2020)
• Total Alkalinity (PDF) (July 2021)
• Total Coliform (PDF) (March 2021)
  • Total Coliform Sample Collection Tips for Community Public Water Systems (PDF) (March 2021)
• Total Organic Carbon (TOC) (PDF) (April 2020)
• Trip Blanks (PDF) (March 2021)
• Tritium (PDF) (August 2021)
• VOC (PDF) (March 2021)
• Water Stable Isotopes (PDF) (August 2021)

Forms

• Tritium and Stable Isotopes Laboratory Request Form (PDF)

Resources

• Sample Bottles: Visual (PDF)
• Environmental Laboratory Sampling and Analysis Guide with images of sample bottles can be found at Environmental Laboratory website.