NPDES ID: COX631012
X — SNC: Effluent violation (non-monthly average limit)
The facility discharged more of a pollutant than its permit allows, measured over a period other than a monthly average.
This quarter: 3 effluent violations.
Violations
May 31, 2026
Solids, total suspended
7% over limit
Discharged 32 mg/L against a permitted limit of 30 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Nitrogen, inorganic total
321% over limit
Discharged 42.12 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
April 30, 2026
Nitrogen, inorganic total
124% over limit
Discharged 22.44 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
February 28, 2026
BOD, 5-day, 20 deg. C
13% over limit
Discharged 21.79199982 kg/d against a permitted limit of 19.34039984 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
September 30, 2025
BOD, 5-day, 20 deg. C
36% over limit
Discharged 26.33199978 kg/d against a permitted limit of 19.34039984 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
July 31, 2025
Solids, total suspended
13% over limit
Discharged 34 mg/L against a permitted limit of 30 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
February 28, 2025
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.008 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
Solids, suspended percent removal
0% over limit
Discharged 99 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 6 mg/L against a permitted limit of 45 mg/L (MX 7D AV)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 10.89599991 kg/d against a permitted limit of 19.34039984 kg/d (30DA AVG)
DMR, Limited - Overdue
Coliform, total general
0% over limit
Discharged 1 MPN/100mL against a permitted limit of 23 MPN/100mL (MAXIMUM)
DMR, Limited - Overdue
BOD, 5-day, percent removal
0% over limit
Discharged 98 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Overdue
Oil and grease visual
0% over limit
Discharged 0 pass=0;fail=1 against a permitted limit of 0 pass=0;fail=1 (INST MAX)
DMR, Monitor Only - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 6 mg/L against a permitted limit of 30 mg/L (30DA AVG)
DMR, Limited - Overdue
Nitrogen, inorganic total
0% over limit
Discharged 4.61 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Overdue
Oil and grease
0% over limit
Discharged 0 mg/L against a permitted limit of 10 mg/L (INST MAX)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 8 mg/L against a permitted limit of 45 mg/L (MX 7D AV)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.008 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 8 mg/L against a permitted limit of 30 mg/L (30DA AVG)
DMR, Limited - Overdue
Chloride [as Cl]
0% over limit
Discharged 1175 mg/L against a permitted limit of 0 mg/L (30DA AVG)
DMR, Monitor Only - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.008 MGD against a permitted limit of 0.0213 MGD (30DA AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 600 mg/L against a permitted limit of 0 mg/L (30DA AVG)
DMR, Monitor Only - Overdue
Plant capacity fact. percent of capacity
0% over limit
Discharged 38 % against a permitted limit of 0 % (30DA AVG)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 7.3 SU against a permitted limit of 8.5 SU (MAXIMUM)
DMR, Limited - Overdue
pH
0% over limit
Discharged 7.3 SU against a permitted limit of 6.5 SU (MINIMUM)
DMR, Limited - Overdue
Solids, total dissolved
0% over limit
Discharged 3350 mg/L against a permitted limit of 4488 mg/L (30DA AVG)
DMR, Limited - Overdue
Sulfate, total [as SO4]
0% over limit
Discharged 1408 mg/L against a permitted limit of 0 mg/L (30DA AVG)
DMR, Monitor Only - Overdue
Coliform, total general
0% over limit
Discharged 1 MPN/100mL against a permitted limit of 2.2 MPN/100mL (30DA AVG)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.008 MGD against a permitted limit of 0.0213 MGD (30DA AVG)
DMR, Limited - Overdue
Plant capacity fact. percent of capacity
0% over limit
Discharged 56 % against a permitted limit of 0 % (30DA AVG)
DMR, Monitor Only - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 357 mg/L against a permitted limit of 0 mg/L (30DA AVG)
DMR, Monitor Only - Overdue
January 31, 2025
Coliform, total general
36% over limit
Discharged 3 MPN/100mL against a permitted limit of 2.2 MPN/100mL (30DA AVG)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (4 months ago)
Last confirmed
August 16, 2026 (yesterday)