NORTH OXIDATIONPOND
NPDES ID: LA0046477
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: 20 effluent violations.
Violations
June 30, 2026
Chlorine, total residual
1977% over limit
Discharged 0.81 mg/L against a permitted limit of 0.039 mg/L (INST MAX)
DMR, Limited - Numeric Violation
Coliform, fecal general
1444% over limit
Discharged 3087 MPN/100mL against a permitted limit of 200 MPN/100mL (MO AVG)
DMR, Limited - Numeric Violation
Coliform, fecal general
1450% over limit
Discharged 6200 MPN/100mL against a permitted limit of 400 MPN/100mL (WKLY AVG)
DMR, Limited - Numeric Violation
May 31, 2026
Chlorine, total residual
3874% over limit
Discharged 1.55 mg/L against a permitted limit of 0.039 mg/L (INST MAX)
DMR, Limited - Numeric Violation
Solids, total suspended
82% over limit
Discharged 41.8 mg/L against a permitted limit of 23 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
616% over limit
Discharged 204.75399828 kg/d against a permitted limit of 28.60199976 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Coliform, fecal general
1024% over limit
Discharged 2247 MPN/100mL against a permitted limit of 200 MPN/100mL (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
46% over limit
Discharged 14.6 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
152% over limit
Discharged 37.8 mg/L against a permitted limit of 15 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
286% over limit
Discharged 73.54799938 kg/d against a permitted limit of 19.06799984 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Coliform, fecal general
1550% over limit
Discharged 6600 MPN/100mL against a permitted limit of 400 MPN/100mL (WKLY AVG)
DMR, Limited - Numeric Violation
April 30, 2026
BOD, 5-day, 20 deg. C
57% over limit
Discharged 29.87319975 kg/d against a permitted limit of 19.06799984 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Coliform, fecal general
1055% over limit
Discharged 2310 MPN/100mL against a permitted limit of 200 MPN/100mL (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
29% over limit
Discharged 37.00099969 kg/d against a permitted limit of 28.60199976 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Coliform, fecal general
568% over limit
Discharged 2670 MPN/100mL against a permitted limit of 400 MPN/100mL (WKLY AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
26% over limit
Discharged 28.9 mg/L against a permitted limit of 23 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
53% over limit
Discharged 23 mg/L against a permitted limit of 15 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Chlorine, total residual
1721% over limit
Discharged 0.71 mg/L against a permitted limit of 0.039 mg/L (INST MAX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
57% over limit
Discharged 15.7 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
32% over limit
Discharged 19.8 mg/L against a permitted limit of 15 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
March 31, 2026
Coliform, fecal general
548% over limit
Discharged 2590 MPN/100mL against a permitted limit of 400 MPN/100mL (WKLY AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
68% over limit
Discharged 32.09779973 kg/d against a permitted limit of 19.06799984 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Coliform, fecal general
725% over limit
Discharged 1650 MPN/100mL against a permitted limit of 200 MPN/100mL (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
33% over limit
Discharged 20 mg/L against a permitted limit of 15 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Chlorine, total residual
1541% over limit
Discharged 0.64 mg/L against a permitted limit of 0.039 mg/L (INST MAX)
DMR, Limited - Numeric Violation
Solids, total suspended
68% over limit
Discharged 48.1239996 kg/d against a permitted limit of 28.60199976 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
45% over limit
Discharged 14.5 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
February 28, 2026
BOD, 5-day, 20 deg. C
90% over limit
Discharged 36.2291997 kg/d against a permitted limit of 19.06799984 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
32% over limit
Discharged 37.81819968 kg/d against a permitted limit of 28.60199976 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Coliform, fecal general
325% over limit
Discharged 849 MPN/100mL against a permitted limit of 200 MPN/100mL (MO AVG)
DMR, Limited - Numeric Violation
Coliform, fecal general
373% over limit
Discharged 1890 MPN/100mL against a permitted limit of 400 MPN/100mL (WKLY AVG)
DMR, Limited - Numeric Violation
Chlorine, total residual
1131% over limit
Discharged 0.48 mg/L against a permitted limit of 0.039 mg/L (INST MAX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
25% over limit
Discharged 12.5 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
January 31, 2026
Solids, total suspended
4% over limit
Discharged 29.78239975 kg/d against a permitted limit of 28.60199976 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Chlorine, total residual
1233% over limit
Discharged 0.52 mg/L against a permitted limit of 0.039 mg/L (INST MAX)
DMR, Limited - Numeric Violation
December 31, 2025
BOD, 5-day, 20 deg. C
0% over limit
Discharged 19.15879984 kg/d against a permitted limit of 19.06799984 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
5% over limit
Discharged 15.8 mg/L against a permitted limit of 15 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Chlorine, total residual
2285% over limit
Discharged 0.93 mg/L against a permitted limit of 0.039 mg/L (INST MAX)
DMR, Limited - Numeric Violation
Coliform, fecal general
Limit violation
Discharged 4000 MPN/100mL against a permitted limit of 400 MPN/100mL (WKLY AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
46% over limit
Discharged 41.85879965 kg/d against a permitted limit of 28.60199976 kg/d (MO AVG)
DMR, Limited - Numeric Violation
November 30, 2025
Chlorine, total residual
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (INST MAX)
DMR, Monitor Only - Overdue
October 31, 2025
Coliform, fecal general
68% over limit
Discharged 672 MPN/100mL against a permitted limit of 400 MPN/100mL (WKLY AVG)
DMR, Limited - Numeric Violation
September 30, 2025
Chlorine, total residual
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (INST MAX)
DMR, Monitor Only - Overdue
Coliform, fecal general
583% over limit
Discharged 2730 MPN/100mL against a permitted limit of 400 MPN/100mL (WKLY AVG)
DMR, Limited - Overdue
Coliform, fecal general
583% over limit
Discharged 2730 MPN/100mL against a permitted limit of 400 MPN/100mL (WKLY AVG)
DMR, Limited - Numeric Violation
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.333 MGD against a permitted limit of 0 MGD (WKLY AVG)
DMR, Monitor Only - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 17.07039986 kg/d against a permitted limit of 56.74999952 kg/d (MO AVG)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 13.6 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Overdue
pH
0% over limit
Discharged 6.6 SU against a permitted limit of 6 SU (INST MIN)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 32 mg/L against a permitted limit of 135 mg/L (WKLY AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 40.22439966 kg/d against a permitted limit of 170.24999857 kg/d (MO AVG)
DMR, Limited - Overdue
pH
0% over limit
Discharged 6.9 SU against a permitted limit of 9 SU (INST MAX)
DMR, Limited - Overdue
Coliform, fecal general
145% over limit
Discharged 489 MPN/100mL against a permitted limit of 200 MPN/100mL (MO AVG)
DMR, Limited - Overdue
Coliform, fecal general
145% over limit
Discharged 489 MPN/100mL against a permitted limit of 200 MPN/100mL (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
0% over limit
Discharged 32 mg/L against a permitted limit of 90 mg/L (MO AVG)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.331 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 13.6 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Overdue
August 31, 2025
Coliform, fecal general
365% over limit
Discharged 1860 MPN/100mL against a permitted limit of 400 MPN/100mL (WKLY AVG)
DMR, Limited - Overdue
Coliform, fecal general
365% over limit
Discharged 1860 MPN/100mL against a permitted limit of 400 MPN/100mL (WKLY AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
0% over limit
Discharged 26.1 mg/L against a permitted limit of 90 mg/L (MO AVG)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 22.06439981 kg/d against a permitted limit of 56.74999952 kg/d (MO AVG)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.328 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 0.332 MGD against a permitted limit of 0 MGD (WKLY AVG)
DMR, Monitor Only - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 17.7 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Overdue
pH
0% over limit
Discharged 6.8 SU against a permitted limit of 9 SU (INST MAX)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 32.7 mg/L against a permitted limit of 135 mg/L (WKLY AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 32.64259973 kg/d against a permitted limit of 170.24999857 kg/d (MO AVG)
DMR, Limited - Overdue
Coliform, fecal general
0% over limit
Discharged 89 MPN/100mL against a permitted limit of 200 MPN/100mL (MO AVG)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 17.7 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Overdue
Chlorine, total residual
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (INST MAX)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 6.5 SU against a permitted limit of 6 SU (INST MIN)
DMR, Limited - Overdue
July 31, 2025
BOD, 5-day, 20 deg. C
0% over limit
Discharged 13.9 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 21.3 mg/L against a permitted limit of 135 mg/L (WKLY AVG)
DMR, Limited - Overdue
Chlorine, total residual
0% over limit
Discharged 1.06 mg/L against a permitted limit of 0 mg/L (INST MAX)
DMR, Monitor Only - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.346 MGD against a permitted limit of 0 MGD (WKLY AVG)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 6.4 SU against a permitted limit of 6 SU (INST MIN)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.339 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 13.9 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 21.3 mg/L against a permitted limit of 90 mg/L (MO AVG)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 17.88759985 kg/d against a permitted limit of 56.74999952 kg/d (MO AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 27.33079977 kg/d against a permitted limit of 170.24999857 kg/d (MO AVG)
DMR, Limited - Overdue
Coliform, fecal general
28% over limit
Discharged 255 MPN/100mL against a permitted limit of 200 MPN/100mL (MO AVG)
DMR, Limited - Overdue
Coliform, fecal general
28% over limit
Discharged 255 MPN/100mL against a permitted limit of 200 MPN/100mL (MO AVG)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 6.9 SU against a permitted limit of 9 SU (INST MAX)
DMR, Limited - Overdue
Coliform, fecal general
Limit violation
Discharged 4000 MPN/100mL against a permitted limit of 400 MPN/100mL (WKLY AVG)
DMR, Limited - Overdue
Coliform, fecal general
Limit violation
Discharged 4000 MPN/100mL against a permitted limit of 400 MPN/100mL (WKLY AVG)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (4 months ago)
Last confirmed
August 15, 2026 (4 hours ago)