Drinking Water Protection
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Related Sites
- 10 States Standards
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- Minnesota Well Index
- Water and Health
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Environmental Health Division
Sample Collection Procedures
Instructions on how to collect water samples for different contaminants for Safe Drinking Water Act compliance at public water systems.
Videos
Written instructions
- 1, 4-Dioxane (PDF) (July 2020)
- Arsenic (PDF) (March 2021)
- Asbestos (PDF) (October 2019)
- Diquat (PDF) (April 2022)
- Disinfection Byproducts - Bromate (PDF) (February 2021)
- Disinfection Byproducts - Chlorite (for Systems using Chlorine Dioxide) (PDF) (September 2021)
- Disinfection Byproducts (PDF) (October 2023)
- EDB Ethylene Dibromide (PDF) (April 2022)
- Endothall (PDF) (August 2021)
- Fluoride (PDF) (March 2021)
- IOC Metal, Mercury, and Free Cyanide (PDF) (June 2022)
- Lead and Copper - Community Public Water Systems (PDF) (June 2024)
- Sample Collection Procedures -Lead and Copper (PDF) (August 2024)
- Lead & Copper Drinking Water Sample Sites (PDF) (August 2024)
- Water System Checklist for Lead and Copper Sampling (PDF) (June 2024)
- Lead and Copper - Noncommunity Public Water Systems (PDF) (February 2021)
- Manganese (PDF) (July 2020)
- Nitrate (PDF) (June 2024)
- Nitrite (PDF) (March 2021)
- Ortho-phosphate, Total Phosphate (PDF) (March 2021)
- Per- and Polyfluoroalkyl Substances (PFAS) (PDF) (August 2024)
- PFAS Field Blanks (PDF) (June 2024)
- 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) (January 2024)
- Sodium (PDF) (March 2021)
- Source and Water Quality Parameters (PDF) (July 2022)
- 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) (September 2022)
- Total Organic Carbon (TOC) (PDF) (August 2024)
- Trip Blanks (PDF) (March 2021)
- Tritium (PDF) (March 2022)
- VOC (PDF) (April 2022)
- Water Stable Isotopes (PDF) (March 2022)
- Water Quality Parameters – Phosphate Inhibitor - Community (PDF)(April 2024)
- Water Quality Parameters – Phosphate Inhibitor - Noncommunity (PDF)(April 2024)
Forms
Resources
- Guidance for Successful Sample Submission (PDF)
- Sample Bottles: Visual (PDF)
- Environmental Laboratory Sampling and Analysis Guide with images of sample bottles can be found at Environmental Laboratory website.
Last Updated: 09/26/2024