MINN DAK FARMERS COOPERATIVE
NPDES ID: ND0024368
E — SNC: Effluent violation (monthly average limit)
The facility discharged more of a pollutant than its permit allows, based on a monthly average.
Violations
December 31, 2025
Toxic Units Static Renewal 48Hr Acute Ceriodaphnia dubia
27% over limit
Discharged 1.27 toxic against a permitted limit of 1 toxic (MX VALUE)
DMR, Limited - Numeric Violation
TU Static Renewal 96Hr Acute Pimphales promelas
39% over limit
Discharged 1.39 toxic against a permitted limit of 1 toxic (MX VALUE)
DMR, Limited - Numeric Violation
Solids, total suspended
153% over limit
Discharged 114 mg/L against a permitted limit of 45 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
TU Static Renewal 7-Day Chronic Ceriodaphnia dubia
81% over limit
Discharged 9.62 toxic against a permitted limit of 5.31 toxic (DAILY MX)
DMR, Limited - Numeric Violation
Coliform, fecal general
505% over limit
Discharged 2419.6 MPN/100mL against a permitted limit of 400 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
3% over limit
Discharged 25.8 mg/L against a permitted limit of 25 mg/L (MO AVG)
DMR, Limited - Numeric Violation
TU Static Renewal 7-Day Chronic Ceriodaphnia dubia
81% over limit
Discharged 9.62 toxic against a permitted limit of 5.31 toxic (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
280% over limit
Discharged 114 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
November 30, 2025
Coliform, fecal general
505% over limit
Discharged 2419.6 MPN/100mL against a permitted limit of 400 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
86% over limit
Discharged 83.6 mg/L against a permitted limit of 45 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
159% over limit
Discharged 77.8 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
July 31, 2025
Solids, total suspended
180% over limit
Discharged 126 mg/L against a permitted limit of 45 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
320% over limit
Discharged 126 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
21% over limit
Discharged 30.2 mg/L against a permitted limit of 25 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Coliform, fecal general
1433% over limit
Discharged 6131 MPN/100mL against a permitted limit of 400 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
June 30, 2025
pH
0% over limit
Discharged 8.1 SU against a permitted limit of 6.5 SU (MINIMUM)
DMR, Limited - Overdue
Oxygen, dissolved [DO]
0% over limit
Discharged 4.8 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Coliform, fecal general
2066% over limit
Discharged 8664 MPN/100mL against a permitted limit of 400 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
TU Static Renewal 96Hr Acute Pimphales promelas
68% over limit
Discharged 1.68 toxic against a permitted limit of 1 toxic (MX VALUE)
DMR, Limited - Numeric Violation
Solids, total suspended
7% over limit
Discharged 32.1 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Toxic Units Static Renewal 48Hr Acute Ceriodaphnia dubia
25% over limit
Discharged 1.25 toxic against a permitted limit of 1 toxic (MX VALUE)
DMR, Limited - Numeric Violation
September 30, 2024
Bicarbonate ion- [as HCO3]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 0 SU (MAXIMUM)
DMR, Monitor Only - Overdue
Sodium, total [as Na]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MN)
DMR, Monitor Only - Overdue
Carbonate ion- [as CO3]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Sodium, total [as Na]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Conductivity
0% over limit
Discharged 0 umho/cm against a permitted limit of 0 umho/cm (MO AVG)
DMR, Monitor Only - Overdue
Bicarbonate ion- [as HCO3]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Sodium adsorption ratio
0% over limit
Discharged 0 Ratio against a permitted limit of 0 Ratio (DAILY MN)
DMR, Monitor Only - Overdue
Fluoride, total [as F]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Sodium, %
0% over limit
Discharged 0 % against a permitted limit of 0 % (DAILY MX)
DMR, Monitor Only - Overdue
Carbonate ion- [as CO3]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MN)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 0 SU (MINIMUM)
DMR, Monitor Only - Overdue
Turbidity, lab, NTU
0% over limit
Discharged 0 NTU against a permitted limit of 0 NTU (DAILY MX)
DMR, Monitor Only - Overdue
Bicarbonate ion- [as HCO3]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MN)
DMR, Monitor Only - Overdue
Sodium adsorption ratio
0% over limit
Discharged 0 Ratio against a permitted limit of 0 Ratio (DAILY MX)
DMR, Monitor Only - Overdue
Turbidity, lab, NTU
0% over limit
Discharged 0 NTU against a permitted limit of 0 NTU (DAILY MN)
DMR, Monitor Only - Overdue
Manganese, total [as Mn]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Fluoride, total [as F]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Toxic Units Static Renewal 48Hr Acute Ceriodaphnia dubia
57% over limit
Discharged 1.57 toxic against a permitted limit of 1 toxic (MX VALUE)
DMR, Limited - Numeric Violation
TU Static Renewal 7-Day Chronic Ceriodaphnia dubia
220% over limit
Discharged 16.98 toxic against a permitted limit of 5.31 toxic (MO AVG)
DMR, Limited - Numeric Violation
Sodium, total [as Na]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Sodium, %
0% over limit
Discharged 0 % against a permitted limit of 0 % (MO AVG)
DMR, Monitor Only - Overdue
Fluoride, total [as F]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MN)
DMR, Monitor Only - Overdue
Carbonate ion- [as CO3]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Conductivity
0% over limit
Discharged 0 umho/cm against a permitted limit of 0 umho/cm (DAILY MX)
DMR, Monitor Only - Overdue
Iron, total [as Fe]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Magnesium, total [as Mg]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
TU Static Renewal 7-Day Chronic Ceriodaphnia dubia
425% over limit
Discharged 27.9 toxic against a permitted limit of 5.31 toxic (DAILY MX)
DMR, Limited - Numeric Violation
Magnesium, total [as Mg]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MN)
DMR, Monitor Only - Overdue
Conductivity
0% over limit
Discharged 0 umho/cm against a permitted limit of 0 umho/cm (DAILY MN)
DMR, Monitor Only - Overdue
Alkalinity, total [as CaCO3]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Manganese, total [as Mn]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MN)
DMR, Monitor Only - Overdue
Iron, total [as Fe]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MN)
DMR, Monitor Only - Overdue
Nitrogen, nitrate total [as N]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Iron, total [as Fe]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Sodium adsorption ratio
0% over limit
Discharged 0 Ratio against a permitted limit of 0 Ratio (MO AVG)
DMR, Monitor Only - Overdue
Sodium, %
0% over limit
Discharged 0 % against a permitted limit of 0 % (DAILY MN)
DMR, Monitor Only - Overdue
Manganese, total [as Mn]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Alkalinity, total [as CaCO3]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Nitrogen, nitrate total [as N]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Magnesium, total [as Mg]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Alkalinity, total [as CaCO3]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MN)
DMR, Monitor Only - Overdue
Turbidity, lab, NTU
0% over limit
Discharged 0 NTU against a permitted limit of 0 NTU (MO AVG)
DMR, Monitor Only - Overdue
Nitrogen, nitrate total [as N]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MN)
DMR, Monitor Only - Overdue
August 31, 2024
Solids, total suspended
724% over limit
Discharged 371 mg/L against a permitted limit of 45 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
171% over limit
Discharged 67.7 mg/L against a permitted limit of 25 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
1137% over limit
Discharged 371 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Coliform, fecal general
5949% over limit
Discharged 24196 MPN/100mL against a permitted limit of 400 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
50% over limit
Discharged 67.7 mg/L against a permitted limit of 45 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
August 1, 2026 (4 days ago)