RUSSELL CITY OF STP
NPDES ID: IA0043176
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: 2 effluent violations, 18 reporting violations.
Violations
April 30, 2026
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0.4668 mg/L against a permitted limit of 1.5 mg/L (30DA AVG)
DMR, Limited - Overdue
Solids, total suspended
47% over limit
Discharged 44 mg/L against a permitted limit of 30 mg/L (30DA AVG)
DMR, Limited - Overdue
Solids, total suspended
47% over limit
Discharged 44 mg/L against a permitted limit of 30 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 7.54 SU against a permitted limit of 9 SU (DAILY MX)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 36.15216498 kg/d against a permitted limit of 52.66399956 kg/d (7 DA AVG)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 1.22980972 kg/d against a permitted limit of 5.53879995 kg/d (DAILY MX)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0.42073269 kg/d against a permitted limit of 1.77059999 kg/d (30DA AVG)
DMR, Limited - Overdue
Phosphorus, total [as P]
0% over limit
Discharged 1.36392222 kg/d against a permitted limit of 4.72159996 kg/d (DAILY MX)
DMR, Limited - Overdue
Solids, total suspended
2% over limit
Discharged 36.15216498 kg/d against a permitted limit of 35.4119997 kg/d (30DA AVG)
DMR, Limited - Overdue
Solids, total suspended
2% over limit
Discharged 36.15216498 kg/d against a permitted limit of 35.4119997 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 7.07 SU against a permitted limit of 6.5 SU (DAILY MN)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 14.78952204 kg/d against a permitted limit of 46.76199961 kg/d (7 DA AVG)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 12.01866018 kg/d against a permitted limit of 29.50999975 kg/d (30DA AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 44 mg/L against a permitted limit of 45 mg/L (7 DA AVG)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 19 mg/L against a permitted limit of 40 mg/L (7 DA AVG)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 1.12 mg/L against a permitted limit of 4.7 mg/L (DAILY MX)
DMR, Limited - Overdue
Phosphorus, total [as P]
0% over limit
Discharged 1.36392222 kg/d against a permitted limit of 2.90559998 kg/d (30DA AVG)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 15 mg/L against a permitted limit of 25 mg/L (30DA AVG)
DMR, Limited - Overdue
Oxygen, dissolved [DO]
0% over limit
Discharged 7.43 mg/L against a permitted limit of 5 mg/L (DAILY MN)
DMR, Limited - Overdue
E. coli
0% over limit
Discharged 4.379519 MPN/100mL against a permitted limit of 126 MPN/100mL (GEO MEAN)
DMR, Limited - Overdue
March 31, 2026
Nitrogen, ammonia total [as N]
66% over limit
Discharged 6.49 mg/L against a permitted limit of 3.9 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
49% over limit
Discharged 5.07 mg/L against a permitted limit of 3.4 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
February 28, 2026
Nitrogen, ammonia total [as N]
1% over limit
Discharged 8.48 mg/L against a permitted limit of 8.4 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
91% over limit
Discharged 7.645 mg/L against a permitted limit of 4 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
November 30, 2025
Solids, total suspended
87% over limit
Discharged 56 mg/L against a permitted limit of 30 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
24% over limit
Discharged 56 mg/L against a permitted limit of 45 mg/L (7 DA AVG)
DMR, Limited - Numeric Violation
October 31, 2025
Solids, total suspended
50% over limit
Discharged 45 mg/L against a permitted limit of 30 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
September 30, 2025
Solids, total suspended
40% over limit
Discharged 42 mg/L against a permitted limit of 30 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
August 31, 2025
pH
0% over limit
Discharged 6.43 SU against a permitted limit of 6.5 SU (DAILY MN)
DMR, Limited - Numeric Violation
Solids, total suspended
47% over limit
Discharged 44 mg/L against a permitted limit of 30 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
July 31, 2025
Oxygen, dissolved [DO]
16% over limit
Discharged 4.22 mg/L against a permitted limit of 5 mg/L (DAILY MN)
DMR, Limited - Numeric Violation
June 30, 2025
Oxygen, dissolved [DO]
22% over limit
Discharged 3.88 mg/L against a permitted limit of 5 mg/L (DAILY MN)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 6.31 SU against a permitted limit of 6.5 SU (DAILY MN)
DMR, Limited - Numeric Violation
April 30, 2025
pH
0% over limit
Discharged 9.28 SU against a permitted limit of 9 SU (DAILY MX)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
11% over limit
Discharged 27.75 mg/L against a permitted limit of 25 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
March 31, 2025
Nitrogen, ammonia total [as N]
47% over limit
Discharged 6.69186006 kg/d against a permitted limit of 4.53999996 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 9.22 SU against a permitted limit of 9 SU (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
72% over limit
Discharged 6.72 mg/L against a permitted limit of 3.9 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
18% over limit
Discharged 4.0065 mg/L against a permitted limit of 3.4 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
February 28, 2025
Nitrogen, ammonia total [as N]
82% over limit
Discharged 7.2725 mg/L against a permitted limit of 4 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
January 31, 2025
Nitrogen, ammonia total [as N]
49% over limit
Discharged 5.074 mg/L against a permitted limit of 3.4 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
December 31, 2024
pH
0% over limit
Discharged 9.44 SU against a permitted limit of 9 SU (DAILY MX)
DMR, Limited - Numeric Violation
November 30, 2024
pH
0% over limit
Discharged 9.29 SU against a permitted limit of 9 SU (DAILY MX)
DMR, Limited - Numeric Violation
August 31, 2024
pH
0% over limit
Discharged 10.44 SU against a permitted limit of 9 SU (DAILY MX)
DMR, Limited - Numeric Violation
July 31, 2024
pH
0% over limit
Discharged 9.4 SU against a permitted limit of 9 SU (DAILY MX)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (24 days ago)