AGROPUR INC.
NPDES ID: IA0081621
E — SNC: Effluent violation (monthly average limit)
The facility discharged more of a pollutant than its permit allows, based on a monthly average.
Violations
March 31, 2026
Nitrogen, ammonia total [as N]
13% over limit
Discharged 16.6 mg/L against a permitted limit of 14.7 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
145% over limit
Discharged 6.867727 mg/L against a permitted limit of 2.8 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
17% over limit
Discharged 38.99186685 kg/d against a permitted limit of 33.36899972 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
147% over limit
Discharged 15.71987699 kg/d against a permitted limit of 6.35599995 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
February 28, 2026
pH
0% over limit
Discharged 6.22 SU against a permitted limit of 6.5 SU (DAILY MN)
DMR, Limited - Numeric Violation
January 31, 2026
Nitrogen, ammonia total [as N]
196% over limit
Discharged 15.4164 mg/L against a permitted limit of 5.2 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
145% over limit
Discharged 84.50206589 kg/d against a permitted limit of 34.50399971 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
209% over limit
Discharged 36.37297241 kg/d against a permitted limit of 11.7585999 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
139% over limit
Discharged 36.4 mg/L against a permitted limit of 15.2 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
December 31, 2025
Chloride [as Cl]
13% over limit
Discharged 441 mg/L against a permitted limit of 389 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Chloride [as Cl]
16% over limit
Discharged 1023.6900874 kg/d against a permitted limit of 883.02999258 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
November 30, 2025
Chloride [as Cl]
4% over limit
Discharged 914.07133432 kg/d against a permitted limit of 883.02999258 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
Chloride [as Cl]
6% over limit
Discharged 414.25 mg/L against a permitted limit of 389 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
October 31, 2025
Chloride [as Cl]
2% over limit
Discharged 395.2 mg/L against a permitted limit of 389 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
September 30, 2025
Chloride [as Cl]
4% over limit
Discharged 915.42924831 kg/d against a permitted limit of 883.02999258 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
Chloride [as Cl]
4% over limit
Discharged 405 mg/L against a permitted limit of 389 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
163% over limit
Discharged 3.946153 mg/L against a permitted limit of 1.5 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
177% over limit
Discharged 9.31551242 kg/d against a permitted limit of 3.35959997 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
August 31, 2025
Nitrogen, ammonia total [as N]
291% over limit
Discharged 8.69243829 kg/d against a permitted limit of 2.22459998 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
93% over limit
Discharged 17.6 mg/L against a permitted limit of 9.1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
294% over limit
Discharged 3.93975 mg/L against a permitted limit of 1 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
85% over limit
Discharged 38.22366708 kg/d against a permitted limit of 20.65699983 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
July 31, 2025
Nitrogen, ammonia total [as N]
66% over limit
Discharged 15.6 mg/L against a permitted limit of 9.4 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
79% over limit
Discharged 38.24448298 kg/d against a permitted limit of 21.33799982 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
220% over limit
Discharged 3.517066 mg/L against a permitted limit of 1.1 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
265% over limit
Discharged 8.94030866 kg/d against a permitted limit of 2.45159998 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
April 30, 2025
pH
0% over limit
Discharged 6.46 SU against a permitted limit of 6.5 SU (DAILY MN)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
33% over limit
Discharged 6.34440933 kg/d against a permitted limit of 4.76699996 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
31% over limit
Discharged 2.756923 mg/L against a permitted limit of 2.1 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
February 28, 2025
pH
0% over limit
Discharged 6.02 SU against a permitted limit of 6.5 SU (DAILY MN)
DMR, Limited - Numeric Violation
August 31, 2024
Nitrogen, ammonia total [as N]
371% over limit
Discharged 4.714615 mg/L against a permitted limit of 1 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
198% over limit
Discharged 27.1 mg/L against a permitted limit of 9.1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
419% over limit
Discharged 11.54913792 kg/d against a permitted limit of 2.22459998 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
235% over limit
Discharged 69.14796762 kg/d against a permitted limit of 20.65699983 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (24 days ago)