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*Food crops where recycled water contacts the edible portion of the crop, including root crops
 
*Food crops where recycled water contacts the edible portion of the crop, including root crops
 
*Irrigation of residential landscapes, parks, playgrounds, school yards, golf courses</td>
 
*Irrigation of residential landscapes, parks, playgrounds, school yards, golf courses</td>
<td>*2.2 total coliform/100mL
+
<td>
 +
 
 +
*2.2 total coliform/100mL
 
*2 NTU daily average; 10 NTU daily maximum turbidity</td>
 
*2 NTU daily average; 10 NTU daily maximum turbidity</td>
 
<td>Disinfected Tertiary – secondary, filtration, disinfection</td>
 
<td>Disinfected Tertiary – secondary, filtration, disinfection</td>

Revision as of 14:32, 18 June 2013


MPCA municipal wastewater reuse water quality treatment limits (modified to only include irrigation-related uses)
Link to this table
Types of Reuse Reuse permit limits Minimum Level of Treatment
  • Food crops where recycled water contacts the edible portion of the crop, including root crops
  • Irrigation of residential landscapes, parks, playgrounds, school yards, golf courses
  • 2.2 total coliform/100mL
  • 2 NTU daily average; 10 NTU daily maximum turbidity
Disinfected Tertiary – secondary, filtration, disinfection
*Cemeteries
  • Roadway Landscaping
  • Ornamental Nursery Stock and Sod Farms with Restricted Access
  • Pasture for animals producing milk for human consumption
23 total coliform/100mL Disinfected Secondary 23 – secondary, disinfection
 Fodder, Fiber, and Seed Crops
  • Food Crops not for direct human consumption
  • Orchards and vineyards with no contact between edible portion
  • Non-food bearing trees, nursery stock and sod farms not irrigated less than 14 days before harvest
200 total coliform/100mL Disinfected Secondary 200 – secondary, disinfection (stabilized pond systems with 210 days of storage do not need a separate disinfection process)