MARTIN OPERATING PARTNERSHIP, L.P.
NPDES ID: AR0000591
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: 1 effluent violation.
Violations
May 31, 2026
Solids, total suspended
3% over limit
Discharged 82.06503931 kg/d against a permitted limit of 79.51355933 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
February 28, 2026
Oil & Grease
64% over limit
Discharged 31.28513974 kg/d against a permitted limit of 19.08161984 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Oil & Grease
158% over limit
Discharged 93.67381921 kg/d against a permitted limit of 36.2927597 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Oil & Grease
111% over limit
Discharged 21.06 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Oil & Grease
232% over limit
Discharged 49.8 mg/L against a permitted limit of 15 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
January 31, 2026
Oil & Grease
5% over limit
Discharged 20.03501983 kg/d against a permitted limit of 19.08161984 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Oil & Grease
53% over limit
Discharged 23 mg/L against a permitted limit of 15 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Oil & Grease
37% over limit
Discharged 13.68 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
December 31, 2025
Nitrogen, ammonia total [as N]
24% over limit
Discharged 20.96117982 kg/d against a permitted limit of 16.86609986 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
36% over limit
Discharged 34.40411971 kg/d against a permitted limit of 25.30141979 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Oil & Grease
7% over limit
Discharged 20.50717983 kg/d against a permitted limit of 19.08161984 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Lead, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Oil & Grease
39% over limit
Discharged 50.36675958 kg/d against a permitted limit of 36.2927597 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Oil & Grease
40% over limit
Discharged 13.97 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
0% over limit
Discharged 22.6 mg/L against a permitted limit of 22.5 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Oil & Grease
93% over limit
Discharged 29 mg/L against a permitted limit of 15 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Lead, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
October 31, 2025
Oil & Grease
1% over limit
Discharged 15.1 mg/L against a permitted limit of 15 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
August 31, 2025
Nitrogen, ammonia total [as N]
51% over limit
Discharged 5.70223995 kg/d against a permitted limit of 3.78635997 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
68% over limit
Discharged 14.19203988 kg/d against a permitted limit of 8.47163993 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
4% over limit
Discharged 9.8 mg/L against a permitted limit of 9.4 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
July 31, 2025
Chromium, total [as Cr]
0% over limit
Discharged 0.001135 kg/d against a permitted limit of 0.3233842 kg/d (MO AVG)
DMR, Limited - Overdue
Chromium, total [as Cr]
0% over limit
Discharged 0.0014074 kg/d against a permitted limit of 9.25842192 kg/d (DAILY MX)
DMR, Limited - Overdue
Chromium, hexavalent dissolved [as Cr]
0% over limit
Discharged 0.0042676 kg/d against a permitted limit of 0.034958 kg/d (DAILY MX)
DMR, Limited - Overdue
Chromium, hexavalent dissolved [as Cr]
0% over limit
Discharged 0.0034958 kg/d against a permitted limit of 0.0172974 kg/d (MO AVG)
DMR, Limited - Overdue
June 30, 2025
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 AVG)
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 AVG)
DMR, Monitor Only - Overdue
NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas
0% over limit
Discharged 76 % against a permitted limit of 0 % (7 DA AVG)
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 AVG)
DMR, Monitor Only - Overdue
Coef Of Var Static Renewal 7Day Chronic Pimephales promelas
0% over limit
Discharged 11.68 % against a permitted limit of 0 % (7 DA AVG)
DMR, Monitor Only - Overdue
Lead, total recoverable
0% over limit
Discharged 0.001 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Lead, total recoverable
0% over limit
Discharged 0.001362 kg/d against a permitted limit of 0 kg/d (DAILY MX)
DMR, Monitor Only - Overdue
Lead, total recoverable
0% over limit
Discharged 0.001 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Lead, total recoverable
0% over limit
Discharged 0.001362 kg/d against a permitted limit of 0 kg/d (MO AVG)
DMR, Monitor Only - Overdue
May 31, 2025
Chromium, total [as Cr]
0% over limit
Discharged 0.0078996 kg/d against a permitted limit of 9.25842192 kg/d (DAILY MX)
DMR, Limited - Overdue
Chromium, total [as Cr]
0% over limit
Discharged 0.00502 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Chromium, hexavalent dissolved [as Cr]
0% over limit
Discharged 0.0045854 kg/d against a permitted limit of 0.0172974 kg/d (MO AVG)
DMR, Limited - Overdue
Chromium, total [as Cr]
0% over limit
Discharged 0.0023475 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
BOD, carbonaceous [5 day, 20 C]
3% over limit
Discharged 16.72762986 kg/d against a permitted limit of 16.22141986 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Chromium, hexavalent dissolved [as Cr]
0% over limit
Discharged 0.003 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Chromium, hexavalent dissolved [as Cr]
0% over limit
Discharged 0.0047216 kg/d against a permitted limit of 0.034958 kg/d (DAILY MX)
DMR, Limited - Overdue
Chromium, total [as Cr]
0% over limit
Discharged 0.003632 kg/d against a permitted limit of 0.3233842 kg/d (MO AVG)
DMR, Limited - Overdue
Chromium, hexavalent dissolved [as Cr]
0% over limit
Discharged 0.003 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
April 30, 2025
Chromium, hexavalent dissolved [as Cr]
0% over limit
Discharged 0.003 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Chromium, total [as Cr]
0% over limit
Discharged 0.0063106 kg/d against a permitted limit of 9.25842192 kg/d (DAILY MX)
DMR, Limited - Overdue
Chromium, total [as Cr]
0% over limit
Discharged 0.002025 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Oil & Grease
79% over limit
Discharged 26.9 mg/L against a permitted limit of 15 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Oil & Grease
9% over limit
Discharged 39.40265967 kg/d against a permitted limit of 36.2927597 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Chromium, hexavalent dissolved [as Cr]
0% over limit
Discharged 0.003 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Chromium, hexavalent dissolved [as Cr]
0% over limit
Discharged 0.048124 kg/d against a permitted limit of 0.0621526 kg/d (DAILY MX)
DMR, Limited - Overdue
Chromium, hexavalent dissolved [as Cr]
0% over limit
Discharged 0.004313 kg/d against a permitted limit of 0.0280572 kg/d (MO AVG)
DMR, Limited - Overdue
Chromium, total [as Cr]
0% over limit
Discharged 0.0029964 kg/d against a permitted limit of 0.3233842 kg/d (MO AVG)
DMR, Limited - Overdue
February 28, 2025
Oil & Grease
25% over limit
Discharged 12.48 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Oil & Grease
79% over limit
Discharged 26.9 mg/L against a permitted limit of 15 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Oil & Grease
18% over limit
Discharged 42.85759964 kg/d against a permitted limit of 36.2927597 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
January 31, 2025
Chromium, total [as Cr]
0% over limit
Discharged 0.0016 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Oil & Grease
85% over limit
Discharged 27.7 mg/L against a permitted limit of 15 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Oil & Grease
8% over limit
Discharged 20.56165983 kg/d against a permitted limit of 19.08161984 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Oil & Grease
57% over limit
Discharged 15.74 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Oil & Grease
31% over limit
Discharged 47.6336796 kg/d against a permitted limit of 36.2927597 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
December 31, 2024
Oil & Grease
33% over limit
Discharged 20 mg/L against a permitted limit of 15 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
November 30, 2024
pH
0% over limit
Discharged 9.06 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Numeric Violation
October 31, 2024
Chromium, hexavalent dissolved [as Cr]
0% over limit
Discharged 0.0039498 kg/d against a permitted limit of 0.034958 kg/d (DAILY MX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 9.2 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Numeric Violation
Chromium, total [as Cr]
0% over limit
Discharged 0.001 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Chromium, total [as Cr]
0% over limit
Discharged 0.001135 kg/d against a permitted limit of 0.3233842 kg/d (MO AVG)
DMR, Limited - Overdue
Chromium, total [as Cr]
0% over limit
Discharged 0.0013166 kg/d against a permitted limit of 9.25842192 kg/d (DAILY MX)
DMR, Limited - Overdue
Chromium, hexavalent dissolved [as Cr]
0% over limit
Discharged 0.0034504 kg/d against a permitted limit of 0.0172974 kg/d (MO AVG)
DMR, Limited - Overdue
Chromium, hexavalent dissolved [as Cr]
0% over limit
Discharged 0.003 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Chromium, total [as Cr]
0% over limit
Discharged 0.001 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Chromium, hexavalent dissolved [as Cr]
0% over limit
Discharged 0.003 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
September 30, 2024
WET, sublethal retest #2
0% over limit
Discharged 0 pass=0;fail=1 against a permitted limit of 0 pass=0;fail=1 (7 DA AVG)
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 AVG)
DMR, Monitor Only - Overdue
NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas
0% over limit
Discharged 57 % against a permitted limit of 0 % (7 DA AVG)
DMR, Monitor Only - Overdue
Whole effluent toxicity - retest #2
0% over limit
Discharged 0 pass=0;fail=1 against a permitted limit of 0 pass=0;fail=1 (7 DA AVG)
DMR, Monitor Only - Overdue
Coef Of Var Static Renewal 7Day Chronic Pimephales promelas
0% over limit
Discharged 11.8 % against a permitted limit of 0 % (7 DA AVG)
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 AVG)
DMR, Monitor Only - Overdue
NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas
0% over limit
Discharged 76 % against a permitted limit of 0 % (7 DA AVG)
DMR, Monitor Only - Overdue
August 31, 2024
Chromium, total [as Cr]
0% over limit
Discharged 0.001135 kg/d against a permitted limit of 0.3233842 kg/d (MO AVG)
DMR, Limited - Overdue
Chromium, hexavalent dissolved [as Cr]
0% over limit
Discharged 0.003 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Chromium, total [as Cr]
0% over limit
Discharged 0.001 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Chromium, total [as Cr]
0% over limit
Discharged 0.0014074 kg/d against a permitted limit of 9.25842192 kg/d (DAILY MX)
DMR, Limited - Overdue
Chromium, total [as Cr]
0% over limit
Discharged 0.001 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Chromium, hexavalent dissolved [as Cr]
0% over limit
Discharged 0.0034504 kg/d against a permitted limit of 0.0172974 kg/d (MO AVG)
DMR, Limited - Overdue
Chromium, hexavalent dissolved [as Cr]
0% over limit
Discharged 0.003 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 9.14 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Numeric Violation
Chromium, hexavalent dissolved [as Cr]
0% over limit
Discharged 0.0042676 kg/d against a permitted limit of 0.034958 kg/d (DAILY MX)
DMR, Limited - Overdue
July 31, 2024
Chromium, hexavalent dissolved [as Cr]
0% over limit
Discharged 0.003 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Oil & Grease
29% over limit
Discharged 19.3 mg/L against a permitted limit of 15 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chromium, total [as Cr]
0% over limit
Discharged 0.0016344 kg/d against a permitted limit of 0.3233842 kg/d (MO AVG)
DMR, Limited - Overdue
Chromium, total [as Cr]
0% over limit
Discharged 0.002043 kg/d against a permitted limit of 9.25842192 kg/d (DAILY MX)
DMR, Limited - Overdue
Chromium, hexavalent dissolved [as Cr]
0% over limit
Discharged 0.003 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Chromium, total [as Cr]
0% over limit
Discharged 0.001138 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Chromium, hexavalent dissolved [as Cr]
0% over limit
Discharged 0.004313 kg/d against a permitted limit of 0.0172974 kg/d (MO AVG)
DMR, Limited - Overdue
Chromium, hexavalent dissolved [as Cr]
0% over limit
Discharged 0.0050394 kg/d against a permitted limit of 0.034958 kg/d (DAILY MX)
DMR, Limited - Overdue
Chromium, total [as Cr]
0% over limit
Discharged 0.0013 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Nitrogen, ammonia total [as N]
15% over limit
Discharged 9.70197992 kg/d against a permitted limit of 8.47163993 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (23 days ago)