OKMULGEE, CITY OF
NPDES ID: OK0028134
D — SNC: Discharge monitoring report not received
The facility didn't submit its required discharge monitoring report.
This quarter: 1 effluent violation, 2 single-event violations, 25 reporting violations.
Violations
May 31, 2026
Chromium, total [as Cr]
0% over limit
Discharged 0 kg/d against a permitted limit of 0.78541999 kg/d (MO AVG)
DMR, Limited - Overdue
Lead, total [as Pb]
0% over limit
Discharged 0 kg/d against a permitted limit of 0.14982 kg/d (MO AVG)
DMR, Limited - Overdue
Cadmium, total [as Cd]
0% over limit
Discharged 0 mg/L against a permitted limit of 0.0022 mg/L (MO AVG)
DMR, Limited - Overdue
Lead, total [as Pb]
0% over limit
Discharged 0 mg/L against a permitted limit of 0.2463 mg/L (WKLY AVG)
DMR, Limited - Overdue
Cadmium, total [as Cd]
0% over limit
Discharged 0 kg/d against a permitted limit of 0.03632 kg/d (MO AVG)
DMR, Limited - Overdue
Lead, total [as Pb]
0% over limit
Discharged 0 mg/L against a permitted limit of 0.0096 mg/L (MO AVG)
DMR, Limited - Overdue
Cadmium, total [as Cd]
0% over limit
Discharged 0 mg/L against a permitted limit of 0.0896 mg/L (WKLY AVG)
DMR, Limited - Overdue
Chromium, total [as Cr]
0% over limit
Discharged 0 mg/L against a permitted limit of 0.05 mg/L (MO AVG)
DMR, Limited - Overdue
E. coli
10% over limit
Discharged 138 MPN/100mL against a permitted limit of 126 MPN/100mL (GEO MEAN)
DMR, Limited - Numeric Violation
March 31, 2026
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0.25 mg/L against a permitted limit of 0 mg/L (DAILY MN)
DMR, Monitor Only - Overdue
NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas
0% over limit
Discharged 100 % against a permitted limit of 0 % (7 DA MIN)
DMR, Monitor Only - Overdue
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia
0% over limit
Discharged 0 pass=0;fail=1 against a permitted limit of 0 pass=0;fail=1 (7 DA MIN)
DMR, Monitor Only - Overdue
%Mortality Static Renewal 7Day Chronic Pimephales Promelas
0% over limit
Discharged 10 % against a permitted limit of 0 % (7 DA MIN)
DMR, Monitor Only - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0.25 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia
0% over limit
Discharged 0 pass=0;fail=1 against a permitted limit of 0 pass=0;fail=1 (7 DA MIN)
DMR, Monitor Only - Overdue
NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia
0% over limit
Discharged 100 % against a permitted limit of 0 % (7 DA MIN)
DMR, Monitor Only - Overdue
Coef Of Var Static Renewal 7Day Chronic Pimephales promelas
0% over limit
Discharged 28.3 % against a permitted limit of 0 % (7 DA MIN)
DMR, Monitor Only - Overdue
Coef Of Var Static Renewal 7Day Chronic Ceriodaphnia dubia
0% over limit
Discharged 27 % against a permitted limit of 0 % (7 DA MIN)
DMR, Monitor Only - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0.25 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas
0% over limit
Discharged 100 % against a permitted limit of 0 % (7 DA MIN)
DMR, Monitor Only - Overdue
%Mortality 7Day Chronic Ceriodaphnia dubia
0% over limit
Discharged 10 % against a permitted limit of 0 % (7 DA MIN)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 8 SU against a permitted limit of 0 SU (DAILY MN)
DMR, Monitor Only - Overdue
Pass/Fail Static Renewal 7Day Chronic Pimephales promelas
0% over limit
Discharged 0 pass=0;fail=1 against a permitted limit of 0 pass=0;fail=1 (7 DA MIN)
DMR, Monitor Only - Overdue
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas
0% over limit
Discharged 0 pass=0;fail=1 against a permitted limit of 0 pass=0;fail=1 (7 DA MIN)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 8.1 SU against a permitted limit of 0 SU (DAILY MX)
DMR, Monitor Only - Overdue
NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia
0% over limit
Discharged 100 % against a permitted limit of 0 % (7 DA MIN)
DMR, Monitor Only - Overdue
December 31, 2025
Solids, total suspended
0% over limit
Discharged 13.98319988 kg/d against a permitted limit of 471.25199604 kg/d (MO AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 10 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 8.95 mg/L against a permitted limit of 15 mg/L (MO AVG)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 2.81 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 4.6 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
Oxygen, dissolved [DO]
0% over limit
Discharged 6.65 mg/L against a permitted limit of 6.5 mg/L (MO MIN)
DMR, Limited - Overdue
pH
0% over limit
Discharged 7.92 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0.3 mg/L against a permitted limit of 4.1 mg/L (MO AVG)
DMR, Limited - Overdue
pH
0% over limit
Discharged 7.55 SU against a permitted limit of 6.5 SU (MINIMUM)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 8.2 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 3.17799997 kg/d against a permitted limit of 64.42259946 kg/d (MO AVG)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0.36 mg/L against a permitted limit of 9.9 mg/L (DAILY MX)
DMR, Limited - Overdue
Solids, total dissolved- 180 deg. C
0% over limit
Discharged 495 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 15.35 mg/L against a permitted limit of 22.5 mg/L (WKLY AVG)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 1.27573999 kg/d against a permitted limit of 235.62599802 kg/d (MO AVG)
DMR, Limited - Overdue
November 30, 2025
Chromium, total [as Cr]
0% over limit
Discharged 0.001 mg/L against a permitted limit of 0.05 mg/L (MO AVG)
DMR, Limited - Overdue
Cadmium, total [as Cd]
0% over limit
Discharged 0.0005 mg/L against a permitted limit of 0.0896 mg/L (WKLY AVG)
DMR, Limited - Overdue
Cadmium, total [as Cd]
0% over limit
Discharged 0.0005 mg/L against a permitted limit of 0.0022 mg/L (MO AVG)
DMR, Limited - Overdue
Chromium, total [as Cr]
0% over limit
Discharged 0.019295 kg/d against a permitted limit of 0.78541999 kg/d (MO AVG)
DMR, Limited - Overdue
Lead, total [as Pb]
0% over limit
Discharged 0.00055 mg/L against a permitted limit of 0.0096 mg/L (MO AVG)
DMR, Limited - Overdue
Cadmium, total [as Cd]
0% over limit
Discharged 0.009534 kg/d against a permitted limit of 0.03632 kg/d (MO AVG)
DMR, Limited - Overdue
Lead, total [as Pb]
0% over limit
Discharged 0.00055 mg/L against a permitted limit of 0.2463 mg/L (WKLY AVG)
DMR, Limited - Overdue
Lead, total [as Pb]
0% over limit
Discharged 0.010442 kg/d against a permitted limit of 0.14982 kg/d (MO AVG)
DMR, Limited - Overdue
June 30, 2025
NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia
0% over limit
Discharged 100 % against a permitted limit of 0 % (7 DA MIN)
DMR, Monitor Only - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0.19 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia
0% over limit
Discharged 0 pass=0;fail=1 against a permitted limit of 0 pass=0;fail=1 (7 DA MIN)
DMR, Monitor Only - Overdue
NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia
0% over limit
Discharged 100 % against a permitted limit of 0 % (7 DA MIN)
DMR, Monitor Only - Overdue
%Mortality 7Day Chronic Ceriodaphnia dubia
0% over limit
Discharged 0 % against a permitted limit of 0 % (7 DA MIN)
DMR, Monitor Only - Overdue
%Mortality Static Renewal 7Day Chronic Pimephales Promelas
0% over limit
Discharged 90 % against a permitted limit of 0 % (7 DA MIN)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 7.43 SU against a permitted limit of 0 SU (DAILY MN)
DMR, Monitor Only - Overdue
Coef Of Var Static Renewal 7Day Chronic Ceriodaphnia dubia
0% over limit
Discharged 18.1 % against a permitted limit of 0 % (7 DA MIN)
DMR, Monitor Only - Overdue
Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia
0% over limit
Discharged 0 pass=0;fail=1 against a permitted limit of 0 pass=0;fail=1 (7 DA MIN)
DMR, Monitor Only - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0.19 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0.19 mg/L against a permitted limit of 0 mg/L (DAILY MN)
DMR, Monitor Only - Overdue
NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas
0% over limit
Discharged 32 % against a permitted limit of 0 % (7 DA MIN)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 7.75 SU against a permitted limit of 0 SU (DAILY MX)
DMR, Monitor Only - Overdue
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas
0% over limit
Discharged 1 pass=0;fail=1 against a permitted limit of 0 pass=0;fail=1 (7 DA MIN)
DMR, Monitor Only - Overdue
NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas
0% over limit
Discharged 32 % against a permitted limit of 0 % (7 DA MIN)
DMR, Monitor Only - Overdue
Pass/Fail Static Renewal 7Day Chronic Pimephales promelas
0% over limit
Discharged 1 pass=0;fail=1 against a permitted limit of 0 pass=0;fail=1 (7 DA MIN)
DMR, Monitor Only - Overdue
Coef Of Var Static Renewal 7Day Chronic Pimephales promelas
0% over limit
Discharged 94.9 % against a permitted limit of 0 % (7 DA MIN)
DMR, Monitor Only - Overdue
January 31, 2025
pH
0% over limit
Discharged 9.44 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Numeric Violation
December 31, 2024
Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia
0% over limit
Discharged 0 pass=0;fail=1 against a permitted limit of 0 pass=0;fail=1 (7 DA MIN)
DMR, Monitor Only - Overdue
NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia
0% over limit
Discharged 100 % against a permitted limit of 0 % (7 DA MIN)
DMR, Monitor Only - Overdue
%Mortality Static Renewal 7Day Chronic Pimephales Promelas
0% over limit
Discharged 12.5 % against a permitted limit of 0 % (7 DA MIN)
DMR, Monitor Only - Overdue
%Mortality 7Day Chronic Ceriodaphnia dubia
0% over limit
Discharged 0 % against a permitted limit of 0 % (7 DA MIN)
DMR, Monitor Only - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0.14 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Coef Of Var Static Renewal 7Day Chronic Ceriodaphnia dubia
0% over limit
Discharged 29.5 % against a permitted limit of 0 % (7 DA MIN)
DMR, Monitor Only - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0.14 mg/L against a permitted limit of 0 mg/L (DAILY MN)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 7.31 SU against a permitted limit of 0 SU (DAILY MX)
DMR, Monitor Only - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0.14 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia
0% over limit
Discharged 0 pass=0;fail=1 against a permitted limit of 0 pass=0;fail=1 (7 DA MIN)
DMR, Monitor Only - Overdue
Pass/Fail Static Renewal 7Day Chronic Pimephales promelas
0% over limit
Discharged 0 pass=0;fail=1 against a permitted limit of 0 pass=0;fail=1 (7 DA MIN)
DMR, Monitor Only - Overdue
NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia
0% over limit
Discharged 100 % against a permitted limit of 0 % (7 DA MIN)
DMR, Monitor Only - Overdue
Coef Of Var Static Renewal 7Day Chronic Pimephales promelas
0% over limit
Discharged 17.8 % against a permitted limit of 0 % (7 DA MIN)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 7.08 SU against a permitted limit of 0 SU (DAILY MN)
DMR, Monitor Only - Overdue
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas
0% over limit
Discharged 0 pass=0;fail=1 against a permitted limit of 0 pass=0;fail=1 (7 DA MIN)
DMR, Monitor Only - Overdue
NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas
0% over limit
Discharged 100 % against a permitted limit of 0 % (7 DA MIN)
DMR, Monitor Only - Overdue
NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas
0% over limit
Discharged 100 % against a permitted limit of 0 % (7 DA MIN)
DMR, Monitor Only - Overdue
September 30, 2024
E. coli
220% over limit
Discharged 1300 MPN/100mL against a permitted limit of 406 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
E. coli
194% over limit
Discharged 370.8 MPN/100mL against a permitted limit of 126 MPN/100mL (GEO MEAN)
DMR, Limited - Numeric Violation
August 31, 2024
E. coli
69% over limit
Discharged 687 MPN/100mL against a permitted limit of 406 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (4 months ago)
Last confirmed
August 15, 2026 (4 hours ago)