Drinking Water Protection
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Environmental Health Division
Restaurants, Resorts, Campgrounds (Transient)
Noncommunity Public Water Supply
The information on this page is for facilities that regularly serve an average of 25 or more people per day for at least 60 days per year.
This is considered a transient water supply. These facilities will generally be tested on an annual basis for bacteria and nitrates. If there are issues with the water quality, the testing may increase.
- Backflow Prevention Devices and Assemblies (PDF)
- Chlorine Residual Measurement (PDF)
- Cisterns and Below Grade Water Storage Tanks (PDF)
- Cleaning and Disinfecting Non-Pressurized Water Storage Tanks (PDF)
- Coliform Bacteria in Drinking Water (PDF)
- Continuous Disinfection of Groundwater (PDF)
- Cross Connections and Water Softeners (PDF)
- Cross-Connection Control: For Individual Campsites at Recreational Camping Areas (PDF)
- Hand Pump Maintenance and Well Disinfection (PDF)
- Hauled Water for Drinking Water (PDF)
- How to Interpret Drinking Water Lab Results (PDF)
- Isolation Distances from a Water-Supply Well (PDF)
- Noncommunity Public Water Systems in Minnesota (PDF)
- Response for E. coli at Public Water Systems (PDF)
- Revised Total Coliform Rule Summary (PDF)
- Sample Collection Procedures
- Sanitary Well Seal (PDF)
- Water Hauler Tank Cleaning and Disinfection (PDF)
- Water Softeners (PDF)
- Well Conversions (PDF)
- Well Disinfection (PDF)
- Wellhead Requirements (PDF)
- Wildfires and Water Quality Concerns (PDF)
- Why Does My Water Smell Like Rotten Eggs? Hydrogen Sulfide
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Last Updated: 06/10/2025