ALON USA- ALON KROTZ SPRINGS REFINERY
NPDES ID: LA0051942
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: 6 effluent violations.
Violations
May 31, 2026
BOD, 5-day, 20 deg. C
181% over limit
Discharged 906.63799238 kg/d against a permitted limit of 322.79399729 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
16% over limit
Discharged 200.21399832 kg/d against a permitted limit of 172.51999855 kg/d (MO AVG)
DMR, Limited - Numeric Violation
April 30, 2026
BOD, 5-day, 20 deg. C
302% over limit
Discharged 1297.1052291 kg/d against a permitted limit of 322.79399729 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
72% over limit
Discharged 297.4380975 kg/d against a permitted limit of 172.51999855 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Oxygen demand, chem. [high level] [COD]
14% over limit
Discharged 2631.27047789 kg/d against a permitted limit of 2310.85998058 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
43% over limit
Discharged 318.47191732 kg/d against a permitted limit of 222.91399813 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
March 31, 2026
Carbon, tot organic [TOC]
55% over limit
Discharged 77.6 mg/L against a permitted limit of 50 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
February 28, 2026
Oxygen demand, chem. [high level] [COD]
1% over limit
Discharged 2328.33898044 kg/d against a permitted limit of 2310.85998058 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
January 31, 2026
pH
0% over limit
Discharged 9.3 SU against a permitted limit of 9 SU (INST MAX)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 9.07 SU against a permitted limit of 9 SU (INST MAX)
DMR, Limited - Numeric Violation
September 30, 2025
Oxygen demand, chem. [high level] [COD]
33% over limit
Discharged 3067.45097423 kg/d against a permitted limit of 2310.85998058 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
September 30, 2024
Solids, total suspended
111% over limit
Discharged 470.26227605 kg/d against a permitted limit of 222.91399813 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (4 months ago)
Last confirmed
August 15, 2026 (4 hours ago)