GRAND PRAIRIE BAYOU TWO P.W.A.
NPDES ID: ARG640072
E — SNC: Effluent violation (monthly average limit)
The facility discharged more of a pollutant than its permit allows, based on a monthly average.
Violations
March 31, 2026
Solids, total suspended
93% over limit
Discharged 38.5 mg/L against a permitted limit of 20 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
28% over limit
Discharged 38.5 mg/L against a permitted limit of 30 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chlorine, total residual
355% over limit
Discharged 0.05 mg/L against a permitted limit of 0.011 mg/L (INST MAX)
DMR, Limited - Numeric Violation
December 31, 2025
Solids, total suspended
230% over limit
Discharged 99 mg/L against a permitted limit of 30 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 9.24 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Numeric Violation
Solids, total suspended
395% over limit
Discharged 99 mg/L against a permitted limit of 20 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Chlorine, total residual
355% over limit
Discharged 0.05 mg/L against a permitted limit of 0.011 mg/L (INST MAX)
DMR, Limited - Numeric Violation
September 30, 2025
Iron, dissolved [as Fe]
12% over limit
Discharged 1.12 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 9.54 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Numeric Violation
Chlorine, total residual
264% over limit
Discharged 0.04 mg/L against a permitted limit of 0.011 mg/L (INST MAX)
DMR, Limited - Numeric Violation
December 31, 2024
Solids, total suspended
42% over limit
Discharged 42.5 mg/L against a permitted limit of 30 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
113% over limit
Discharged 42.5 mg/L against a permitted limit of 20 mg/L (MO AVG)
DMR, Limited - Numeric Violation
September 30, 2024
pH
0% over limit
Discharged 9.31 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Numeric Violation
Solids, total suspended
48% over limit
Discharged 29.5 mg/L against a permitted limit of 20 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Chlorine, total residual
2991% over limit
Discharged 0.34 mg/L against a permitted limit of 0.011 mg/L (INST MAX)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (23 days ago)