PARISH CONCRETE LLC - LA HIGHWAY 59 READY MIX PLANT
NPDES ID: LAG110066
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: 2 effluent violations.
Violations
April 30, 2026
pH
0% over limit
Discharged 12.1 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Numeric Violation
Solids, total suspended
478% over limit
Discharged 289 mg/L against a permitted limit of 50 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
March 31, 2026
pH
0% over limit
Discharged 11.8 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Numeric Violation
Solids, total suspended
322% over limit
Discharged 211 mg/L against a permitted limit of 50 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
June 30, 2025
pH
0% over limit
Discharged 11.4 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Numeric Violation
Solids, total suspended
216% over limit
Discharged 158 mg/L against a permitted limit of 50 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
May 31, 2025
Solids, total suspended
79% over limit
Discharged 89.6 mg/L against a permitted limit of 50 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 10.4 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Numeric Violation
January 31, 2025
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 6 SU (MINIMUM)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
Solids, total suspended
394% over limit
Discharged 247 mg/L against a permitted limit of 50 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 0 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Overdue
September 30, 2024
pH
0% over limit
Discharged 11.9 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Numeric Violation
August 31, 2024
Solids, total suspended
304% over limit
Discharged 202 mg/L against a permitted limit of 50 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 11.61 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (4 months ago)
Last confirmed
August 15, 2026 (11 hours ago)