NPDES ID: NC0086819
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]
239% over limit
Discharged 6.7844 mg/L against a permitted limit of 2 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
65% over limit
Discharged 9.8833 mg/L against a permitted limit of 6 mg/L (7 DA AVG)
DMR, Limited - Numeric Violation
February 28, 2026
Nitrogen, ammonia total [as N]
250% over limit
Discharged 6.9912 mg/L against a permitted limit of 2 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Enterococci
5% over limit
Discharged 36.7617 MPN/100mL against a permitted limit of 35 MPN/100mL (MO GEOMN)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
40% over limit
Discharged 8.3714 mg/L against a permitted limit of 6 mg/L (7 DA AVG)
DMR, Limited - Numeric Violation
January 31, 2026
Copper, total [as Cu]
1% over limit
Discharged 0.00181 mg/L against a permitted limit of 0.0018 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
53% over limit
Discharged 3.05 mg/L against a permitted limit of 2 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
December 31, 2025
Copper, total [as Cu]
7% over limit
Discharged 0.00192 mg/L against a permitted limit of 0.0018 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
November 30, 2025
Copper, total [as Cu]
178% over limit
Discharged 0.00805 mg/L against a permitted limit of 0.0029 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
34% over limit
Discharged 0.0024114 mg/L against a permitted limit of 0.0018 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Zinc, total [as Zn]
129% over limit
Discharged 0.10900001 mg/L against a permitted limit of 0.0476 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
July 31, 2025
Enterococci
6% over limit
Discharged 37.0527 MPN/100mL against a permitted limit of 35 MPN/100mL (MO GEOMN)
DMR, Limited - Numeric Violation
March 31, 2025
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0 mg/L against a permitted limit of 2 mg/L (30DA AVG)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 0 mg/L against a permitted limit of 10 mg/L (30DA AVG)
DMR, Limited - Overdue
February 28, 2025
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0 MGD against a permitted limit of 4.975 MGD (30DA AVG)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 0 mg/L against a permitted limit of 15 mg/L (7 DA AVG)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0 mg/L against a permitted limit of 6 mg/L (7 DA AVG)
DMR, Limited - Overdue
January 31, 2025
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0 MGD against a permitted limit of 4.975 MGD (30DA AVG)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0 mg/L against a permitted limit of 6 mg/L (7 DA AVG)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 0 mg/L against a permitted limit of 15 mg/L (7 DA AVG)
DMR, Limited - Overdue
December 31, 2024
BOD, 5-day, 20 deg. C
0% over limit
Discharged 0 mg/L against a permitted limit of 15 mg/L (7 DA AVG)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0 mg/L against a permitted limit of 6 mg/L (7 DA AVG)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 0 mg/L against a permitted limit of 10 mg/L (30DA AVG)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0 mg/L against a permitted limit of 2 mg/L (30DA AVG)
DMR, Limited - Overdue
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (23 days ago)