GLENPOOL UTILITIES SER AUTH
NPDES ID: OK0027138
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: 15 effluent violations, 1 compliance schedule violation.
Violations
June 30, 2026
BOD, 5-day, 20 deg. C
100% over limit
Discharged 60 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
E. coli
44235% over limit
Discharged 180000 MPN/100mL against a permitted limit of 406 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
56% over limit
Discharged 70 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
E. coli
9277% over limit
Discharged 11815 MPN/100mL against a permitted limit of 126 MPN/100mL (GEO MEAN)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
75% over limit
Discharged 285.5659976 kg/d against a permitted limit of 163.43999863 kg/d (MO AVG)
DMR, Limited - Numeric Violation
May 31, 2026
E. coli
49161% over limit
Discharged 200000 MPN/100mL against a permitted limit of 406 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
10% over limit
Discharged 179.78399849 kg/d against a permitted limit of 163.43999863 kg/d (MO AVG)
DMR, Limited - Numeric Violation
E. coli
1843% over limit
Discharged 2448 MPN/100mL against a permitted limit of 126 MPN/100mL (GEO MEAN)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
133% over limit
Discharged 70 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
67% over limit
Discharged 75 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
April 30, 2026
BOD, 5-day, 20 deg. C
87% over limit
Discharged 305.08799744 kg/d against a permitted limit of 163.43999863 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
163% over limit
Discharged 79 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
E. coli
100% over limit
Discharged 1261 MPN/100mL against a permitted limit of 630 MPN/100mL (GEO MEAN)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
111% over limit
Discharged 95 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
E. coli
9260% over limit
Discharged 190000 MPN/100mL against a permitted limit of 2030 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
March 31, 2026
BOD, 5-day, 20 deg. C
291% over limit
Discharged 176 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
E. coli
647% over limit
Discharged 15154 MPN/100mL against a permitted limit of 2030 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
E. coli
47% over limit
Discharged 929 MPN/100mL against a permitted limit of 630 MPN/100mL (GEO MEAN)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
287% over limit
Discharged 116 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
108% over limit
Discharged 340.49999714 kg/d against a permitted limit of 163.43999863 kg/d (MO AVG)
DMR, Limited - Numeric Violation
February 28, 2026
BOD, 5-day, 20 deg. C
196% over limit
Discharged 133 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
90% over limit
Discharged 310.53599739 kg/d against a permitted limit of 163.43999863 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
300% over limit
Discharged 120 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
January 31, 2026
E. coli
538% over limit
Discharged 4021 MPN/100mL against a permitted limit of 630 MPN/100mL (GEO MEAN)
DMR, Limited - Numeric Violation
E. coli
9752% over limit
Discharged 200000 MPN/100mL against a permitted limit of 2030 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
75% over limit
Discharged 286.47399759 kg/d against a permitted limit of 163.43999863 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
147% over limit
Discharged 111 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
253% over limit
Discharged 106 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
December 31, 2025
BOD, 5-day, 20 deg. C
33% over limit
Discharged 217.91999817 kg/d against a permitted limit of 163.43999863 kg/d (MO AVG)
DMR, Limited - Numeric Violation
E. coli
885% over limit
Discharged 20000 MPN/100mL against a permitted limit of 2030 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
136% over limit
Discharged 106 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
157% over limit
Discharged 77 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
November 30, 2025
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
BOD, 5-day, 20 deg. C
56% over limit
Discharged 254.69399786 kg/d against a permitted limit of 163.43999863 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Whole Effluent Toxicity [WET] - P. promelas
0% over limit
Discharged 0 % against a permitted limit of 100 % (48HR MIN)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
137% over limit
Discharged 71 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
LC50 Static Renewal 48Hr Acute Pimephales promelas
0% over limit
Discharged 0 % against a permitted limit of 0 % (48HR MIN)
DMR, Monitor Only - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MN)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 0 SU (MAXIMUM)
DMR, Monitor Only - Overdue
LC50 Static Renewal 48Hr Acute Pimephales promelas
0% over limit
Discharged 0 pass=0;fail=1 against a permitted limit of 0 pass=0;fail=1 (48HR MIN)
DMR, Monitor Only - Overdue
BOD, 5-day, 20 deg. C
64% over limit
Discharged 74 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 0 SU against a permitted limit of 0 SU (MINIMUM)
DMR, Monitor Only - Overdue
E. coli
9752% over limit
Discharged 200000 MPN/100mL against a permitted limit of 2030 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
E. coli
78% over limit
Discharged 1124 MPN/100mL against a permitted limit of 630 MPN/100mL (GEO MEAN)
DMR, Limited - Numeric Violation
% Mortality Static Renewal 48 Hr Pimephales promelas or use TJA6C
0% over limit
Discharged 0 % against a permitted limit of 0 % (48HR MIN)
DMR, Monitor Only - Overdue
October 31, 2025
BOD, 5-day, 20 deg. C
153% over limit
Discharged 76 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
34% over limit
Discharged 219.73599815 kg/d against a permitted limit of 163.43999863 kg/d (MO AVG)
DMR, Limited - Numeric Violation
E. coli
2806% over limit
Discharged 59000 MPN/100mL against a permitted limit of 2030 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
98% over limit
Discharged 89 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Whole Effluent Toxicity [WET] - P. promelas
35% over limit
Discharged 65.31 % against a permitted limit of 100 % (48HR MIN)
DMR, Limited - Numeric Violation
E. coli
153% over limit
Discharged 1596 MPN/100mL against a permitted limit of 630 MPN/100mL (GEO MEAN)
DMR, Limited - Numeric Violation
September 30, 2025
E. coli
41772% over limit
Discharged 170000 MPN/100mL against a permitted limit of 406 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
130% over limit
Discharged 69 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
3% over limit
Discharged 168.88799858 kg/d against a permitted limit of 163.43999863 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Whole Effluent Toxicity [WET] - P. promelas
44% over limit
Discharged 56 % against a permitted limit of 100 % (48HR MIN)
DMR, Limited - Numeric Violation
E. coli
2007% over limit
Discharged 2655 MPN/100mL against a permitted limit of 126 MPN/100mL (GEO MEAN)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
76% over limit
Discharged 79 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
August 31, 2025
BOD, 5-day, 20 deg. C
67% over limit
Discharged 75 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
103% over limit
Discharged 61 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
E. coli
26994% over limit
Discharged 110000 MPN/100mL against a permitted limit of 406 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
E. coli
43603% over limit
Discharged 55066 MPN/100mL against a permitted limit of 126 MPN/100mL (GEO MEAN)
DMR, Limited - Numeric Violation
July 31, 2025
E. coli
4033% over limit
Discharged 5208 MPN/100mL against a permitted limit of 126 MPN/100mL (GEO MEAN)
DMR, Limited - Numeric Violation
E. coli
36600% over limit
Discharged 149000 MPN/100mL against a permitted limit of 406 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
June 30, 2025
E. coli
2111% over limit
Discharged 2786 MPN/100mL against a permitted limit of 126 MPN/100mL (GEO MEAN)
DMR, Limited - Numeric Violation
E. coli
11723% over limit
Discharged 48000 MPN/100mL against a permitted limit of 406 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
7% over limit
Discharged 48 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
4% over limit
Discharged 169.34199858 kg/d against a permitted limit of 163.43999863 kg/d (MO AVG)
DMR, Limited - Numeric Violation
May 31, 2025
E. coli
17388% over limit
Discharged 71000 MPN/100mL against a permitted limit of 406 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
117% over limit
Discharged 65 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
E. coli
13569% over limit
Discharged 17223 MPN/100mL against a permitted limit of 126 MPN/100mL (GEO MEAN)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
156% over limit
Discharged 115 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
73% over limit
Discharged 282.84199762 kg/d against a permitted limit of 163.43999863 kg/d (MO AVG)
DMR, Limited - Numeric Violation
April 30, 2025
E. coli
3398% over limit
Discharged 71000 MPN/100mL against a permitted limit of 2030 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
89% over limit
Discharged 85 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
E. coli
7508% over limit
Discharged 47932 MPN/100mL against a permitted limit of 630 MPN/100mL (GEO MEAN)
DMR, Limited - Numeric Violation
Whole Effluent Toxicity [WET] - P. promelas
15% over limit
Discharged 84.54 % against a permitted limit of 100 % (48HR MIN)
DMR, Limited - Numeric Violation
March 31, 2025
BOD, 5-day, 20 deg. C
13% over limit
Discharged 34 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Whole Effluent Toxicity [WET] - P. promelas
28% over limit
Discharged 71.75 % against a permitted limit of 100 % (48HR MIN)
DMR, Limited - Numeric Violation
E. coli
87% over limit
Discharged 1177 MPN/100mL against a permitted limit of 630 MPN/100mL (GEO MEAN)
DMR, Limited - Numeric Violation
Whole Effluent Toxicity [WET] - P. promelas
28% over limit
Discharged 71.75 % against a permitted limit of 100 % (48HR MIN)
DMR, Limited - Numeric Violation
E. coli
4629% over limit
Discharged 96000 MPN/100mL against a permitted limit of 2030 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
36% over limit
Discharged 61 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
February 28, 2025
BOD, 5-day, 20 deg. C
30% over limit
Discharged 212.47199821 kg/d against a permitted limit of 163.43999863 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
156% over limit
Discharged 115 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Whole Effluent Toxicity [WET] - P. promelas
30% over limit
Discharged 70.19 % against a permitted limit of 100 % (48HR MIN)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
13% over limit
Discharged 34 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
E. coli
982% over limit
Discharged 6817 MPN/100mL against a permitted limit of 630 MPN/100mL (GEO MEAN)
DMR, Limited - Numeric Violation
E. coli
885% over limit
Discharged 20000 MPN/100mL against a permitted limit of 2030 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
January 31, 2025
Whole Effluent Toxicity [WET] - P. promelas
44% over limit
Discharged 56.06 % against a permitted limit of 100 % (48HR MIN)
DMR, Limited - Numeric Violation
E. coli
2659% over limit
Discharged 56000 MPN/100mL against a permitted limit of 2030 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
16% over limit
Discharged 52 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
December 31, 2024
E. coli
3053% over limit
Discharged 64000 MPN/100mL against a permitted limit of 2030 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
E. coli
778% over limit
Discharged 5532 MPN/100mL against a permitted limit of 630 MPN/100mL (GEO MEAN)
DMR, Limited - Numeric Violation
November 30, 2024
E. coli
287% over limit
Discharged 2438 MPN/100mL against a permitted limit of 630 MPN/100mL (GEO MEAN)
DMR, Limited - Numeric Violation
E. coli
3200% over limit
Discharged 67000 MPN/100mL against a permitted limit of 2030 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
October 31, 2024
Whole Effluent Toxicity [WET] - P. promelas
17% over limit
Discharged 82.92 % against a permitted limit of 100 % (48HR MIN)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
56% over limit
Discharged 70 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
E. coli
639% over limit
Discharged 15000 MPN/100mL against a permitted limit of 2030 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
September 30, 2024
E. coli
22314% over limit
Discharged 91000 MPN/100mL against a permitted limit of 406 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
Whole Effluent Toxicity [WET] - P. promelas
16% over limit
Discharged 83.53 % against a permitted limit of 100 % (48HR MIN)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
68% over limit
Discharged 274.66999769 kg/d against a permitted limit of 163.43999863 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
113% over limit
Discharged 96 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
6% over limit
Discharged 143 mg/L against a permitted limit of 135 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Whole Effluent Toxicity [WET] - P. promelas
15% over limit
Discharged 84.84 % against a permitted limit of 100 % (48HR MIN)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
153% over limit
Discharged 76 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
E. coli
1748% over limit
Discharged 2328 MPN/100mL against a permitted limit of 126 MPN/100mL (GEO MEAN)
DMR, Limited - Numeric Violation
August 31, 2024
Whole Effluent Toxicity [WET] - P. promelas
30% over limit
Discharged 70.5 % against a permitted limit of 100 % (48HR MIN)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
316% over limit
Discharged 187 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
E. coli
3935% over limit
Discharged 5084 MPN/100mL against a permitted limit of 126 MPN/100mL (GEO MEAN)
DMR, Limited - Numeric Violation
Solids, total suspended
29% over limit
Discharged 116 mg/L against a permitted limit of 90 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
72% over limit
Discharged 281.47999763 kg/d against a permitted limit of 163.43999863 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
153% over limit
Discharged 76 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
E. coli
21575% over limit
Discharged 88000 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)