GUTHRIE CENTER EGG FARM
NPDES ID: IA0075361
E — SNC: Effluent violation (monthly average limit)
The facility discharged more of a pollutant than its permit allows, based on a monthly average.
This quarter: 6 effluent violations.
Violations
June 30, 2026
Nitrogen, ammonia total [as N]
72% over limit
Discharged 3.19947417 kg/d against a permitted limit of 1.86139998 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
103% over limit
Discharged 41.38491445 kg/d against a permitted limit of 20.42999983 kg/d (7 DA AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
8% over limit
Discharged 1.57133939 kg/d against a permitted limit of 1.45279999 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
107% over limit
Discharged 28.2243671 kg/d against a permitted limit of 13.61999989 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
May 31, 2026
Solids, total suspended
28% over limit
Discharged 26.07855428 kg/d against a permitted limit of 20.42999983 kg/d (7 DA AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
40% over limit
Discharged 19.09536696 kg/d against a permitted limit of 13.61999989 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
November 30, 2025
Nitrogen, Kjeldahl, total [as N]
0% over limit
Discharged 0 kg/d against a permitted limit of 522.55399561 kg/d (DAILY MX)
DMR, Limited - Overdue
Oxygen demand, chem. [high level] [COD]
0% over limit
Discharged 0 kg/d against a permitted limit of 187.04799843 kg/d (DAILY MX)
DMR, Limited - Overdue
Nitrogen, Kjeldahl, total [as N]
0% over limit
Discharged 0 kg/d against a permitted limit of 319.16199732 kg/d (30DA AVG)
DMR, Limited - Overdue
Oxygen demand, chem. [high level] [COD]
0% over limit
Discharged 0 mg/L against a permitted limit of 412 mg/L (DAILY MX)
DMR, Limited - Overdue
October 31, 2025
Nitrogen, ammonia total [as N]
61% over limit
Discharged 6.1 mg/L against a permitted limit of 3.8 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
August 31, 2025
pH
0% over limit
Discharged 9.75 SU against a permitted limit of 9 SU (DAILY MX)
DMR, Limited - Numeric Violation
June 30, 2025
Nitrogen, ammonia total [as N]
2% over limit
Discharged 4.2 mg/L against a permitted limit of 4.1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
October 31, 2024
pH
0% over limit
Discharged 12.17 SU against a permitted limit of 9 SU (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
27% over limit
Discharged 57.3 mg/L against a permitted limit of 45 mg/L (7 DA AVG)
DMR, Limited - Numeric Violation
September 30, 2024
pH
0% over limit
Discharged 5.78 SU against a permitted limit of 6.5 SU (DAILY MN)
DMR, Limited - Numeric Violation
Oxygen demand, chem. [high level] [COD]
0% over limit
Discharged 0 mg/L against a permitted limit of 412 mg/L (DAILY MX)
DMR, Limited - Overdue
Oxygen demand, chem. [high level] [COD]
0% over limit
Discharged 0 kg/d against a permitted limit of 187.04799843 kg/d (DAILY MX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 12.2 SU against a permitted limit of 9 SU (DAILY MX)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (4 months ago)
Last confirmed
August 15, 2026 (12 hours ago)