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) |