LA DOTD-TREMONT REST AREA WESTBOUND
NPDES ID: LAG560292
E — SNC: Effluent violation (monthly average limit)
The facility discharged more of a pollutant than its permit allows, based on a monthly average.
Violations
January 31, 2026
Solids, total suspended
45% over limit
Discharged 29 mg/L against a permitted limit of 20 mg/L (MO AVG)
DMR, Limited - Numeric Violation
December 31, 2025
Solids, total suspended
10% over limit
Discharged 22 mg/L against a permitted limit of 20 mg/L (MO AVG)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 5.7 SU against a permitted limit of 6 SU (INST MIN)
DMR, Limited - Numeric Violation
November 30, 2025
pH
0% over limit
Discharged 5.3 SU against a permitted limit of 6 SU (INST MIN)
DMR, Limited - Numeric Violation
Solids, total suspended
47% over limit
Discharged 29.3 mg/L against a permitted limit of 20 mg/L (MO AVG)
DMR, Limited - Numeric Violation
October 31, 2025
Solids, total suspended
40% over limit
Discharged 28 mg/L against a permitted limit of 20 mg/L (MO AVG)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 4.8 SU against a permitted limit of 6 SU (INST MIN)
DMR, Limited - Numeric Violation
September 30, 2025
pH
0% over limit
Discharged 4.3 SU against a permitted limit of 6 SU (INST MIN)
DMR, Limited - Numeric Violation
August 31, 2025
pH
0% over limit
Discharged 5.5 SU against a permitted limit of 6 SU (INST MIN)
DMR, Limited - Numeric Violation
July 31, 2025
Solids, total suspended
15% over limit
Discharged 23 mg/L against a permitted limit of 20 mg/L (MO AVG)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 3.68 SU against a permitted limit of 6 SU (INST MIN)
DMR, Limited - Numeric Violation
June 30, 2025
pH
0% over limit
Discharged 5.57 SU against a permitted limit of 6 SU (INST MIN)
DMR, Limited - Numeric Violation
Solids, total suspended
67% over limit
Discharged 50 mg/L against a permitted limit of 30 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
150% over limit
Discharged 50 mg/L against a permitted limit of 20 mg/L (MO AVG)
DMR, Limited - Numeric Violation
March 31, 2025
Coliform, fecal general
Limit violation
Discharged 9100 MPN/100mL against a permitted limit of 200 MPN/100mL (MOAV GEO)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
208% over limit
Discharged 61.5 mg/L against a permitted limit of 20 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Coliform, fecal general
Limit violation
Discharged 9100 MPN/100mL against a permitted limit of 400 MPN/100mL (WKAV GEO)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
105% over limit
Discharged 61.5 mg/L against a permitted limit of 30 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
7% over limit
Discharged 21.3 mg/L against a permitted limit of 20 mg/L (MO AVG)
DMR, Limited - Numeric Violation
February 28, 2025
BOD, 5-day, 20 deg. C
36% over limit
Discharged 27.1 mg/L against a permitted limit of 20 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Coliform, fecal general
61% over limit
Discharged 645 MPN/100mL against a permitted limit of 400 MPN/100mL (WKAV GEO)
DMR, Limited - Numeric Violation
Coliform, fecal general
223% over limit
Discharged 645 MPN/100mL against a permitted limit of 200 MPN/100mL (MOAV GEO)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
August 1, 2026 (5 days ago)