BILLY CHEVROLET INC.
NPDES ID: LAG470436
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.
Violations
March 31, 2026
Solids, total suspended
116% over limit
Discharged 97 mg/L against a permitted limit of 45 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
180% over limit
Discharged 126 mg/L against a permitted limit of 45 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
December 31, 2025
Solids, total suspended
458% over limit
Discharged 251 mg/L against a permitted limit of 45 mg/L (DAILY MX)
DMR, Limited - Overdue
Solids, total suspended
458% over limit
Discharged 251 mg/L against a permitted limit of 45 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
Oxygen demand, chem. [high level] [COD]
0% over limit
Discharged 150 mg/L against a permitted limit of 300 mg/L (DAILY MX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 6 SU (MINIMUM)
DMR, Limited - Overdue
Oil & Grease
0% over limit
Discharged 5 mg/L against a permitted limit of 15 mg/L (DAILY MX)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.0001 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.002 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 6.87 SU against a permitted limit of 6 SU (MINIMUM)
DMR, Limited - Overdue
Oil & Grease
0% over limit
Discharged 0 mg/L against a permitted limit of 15 mg/L (DAILY MX)
DMR, Limited - Overdue
Solids, total suspended
449% over limit
Discharged 247 mg/L against a permitted limit of 45 mg/L (DAILY MX)
DMR, Limited - Overdue
Solids, total suspended
449% over limit
Discharged 247 mg/L against a permitted limit of 45 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Oxygen demand, chem. [high level] [COD]
0% over limit
Discharged 0 mg/L against a permitted limit of 300 mg/L (DAILY MX)
DMR, Limited - Overdue
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
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.0001 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.002 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 0 mg/L against a permitted limit of 45 mg/L (DAILY MX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 6.87 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Overdue
pH
0% over limit
Discharged 6.88 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
Oil & Grease
0% over limit
Discharged 5 mg/L against a permitted limit of 15 mg/L (DAILY MX)
DMR, Limited - Overdue
Oxygen demand, chem. [high level] [COD]
0% over limit
Discharged 148 mg/L against a permitted limit of 300 mg/L (DAILY MX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 6.88 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Overdue
September 30, 2025
pH
0% over limit
Discharged 0 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Overdue
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
Oil & Grease
0% over limit
Discharged 5 mg/L against a permitted limit of 15 mg/L (DAILY MX)
DMR, Limited - Overdue
Oxygen demand, chem. [high level] [COD]
0% over limit
Discharged 10 mg/L against a permitted limit of 300 mg/L (DAILY MX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 7.27 SU against a permitted limit of 6 SU (MINIMUM)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.0001 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - 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
pH
0% over limit
Discharged 7.27 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.002 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
Oil & Grease
0% over limit
Discharged 5 mg/L against a permitted limit of 15 mg/L (DAILY MX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 7.15 SU against a permitted limit of 6 SU (MINIMUM)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0 mg/L against a permitted limit of 45 mg/L (DAILY MX)
DMR, Limited - Overdue
Solids, total suspended
162% over limit
Discharged 118 mg/L against a permitted limit of 45 mg/L (DAILY MX)
DMR, Limited - Overdue
Solids, total suspended
162% over limit
Discharged 118 mg/L against a permitted limit of 45 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 7.15 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.002 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 42 mg/L against a permitted limit of 45 mg/L (DAILY MX)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.0001 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
Oxygen demand, chem. [high level] [COD]
0% over limit
Discharged 180 mg/L against a permitted limit of 300 mg/L (DAILY MX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 6 SU (MINIMUM)
DMR, Limited - Overdue
Oxygen demand, chem. [high level] [COD]
0% over limit
Discharged 0 mg/L against a permitted limit of 300 mg/L (DAILY MX)
DMR, Limited - Overdue
Oil & Grease
0% over limit
Discharged 0 mg/L against a permitted limit of 15 mg/L (DAILY MX)
DMR, Limited - Overdue
June 30, 2025
pH
0% over limit
Discharged 7.18 SU against a permitted limit of 6 SU (MINIMUM)
DMR, Limited - Overdue
Oil & Grease
0% over limit
Discharged 0 mg/L against a permitted limit of 15 mg/L (DAILY MX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 7.47 SU against a permitted limit of 6 SU (MINIMUM)
DMR, Limited - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 6 SU (MINIMUM)
DMR, Limited - Overdue
Oil & Grease
0% over limit
Discharged 5 mg/L against a permitted limit of 15 mg/L (DAILY MX)
DMR, Limited - Overdue
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
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.0001 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 2 mg/L against a permitted limit of 45 mg/L (DAILY MX)
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
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.002 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
Oxygen demand, chem. [high level] [COD]
0% over limit
Discharged 28 mg/L against a permitted limit of 300 mg/L (DAILY MX)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.0001 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
Oxygen demand, chem. [high level] [COD]
0% over limit
Discharged 0 mg/L against a permitted limit of 300 mg/L (DAILY MX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 7.47 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0 mg/L against a permitted limit of 45 mg/L (DAILY MX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.002 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
Solids, total suspended
47% over limit
Discharged 66 mg/L against a permitted limit of 45 mg/L (DAILY MX)
DMR, Limited - Overdue
Solids, total suspended
47% over limit
Discharged 66 mg/L against a permitted limit of 45 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Oxygen demand, chem. [high level] [COD]
0% over limit
Discharged 10 mg/L against a permitted limit of 300 mg/L (DAILY MX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 7.18 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Overdue
Oil & Grease
0% over limit
Discharged 5 mg/L against a permitted limit of 15 mg/L (DAILY MX)
DMR, Limited - Overdue
March 31, 2025
Oxygen demand, chem. [high level] [COD]
0% over limit
Discharged 0 mg/L against a permitted limit of 300 mg/L (DAILY MX)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.002 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.0001 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
Solids, total suspended
133% over limit
Discharged 105 mg/L against a permitted limit of 45 mg/L (DAILY MX)
DMR, Limited - Overdue
Solids, total suspended
133% over limit
Discharged 105 mg/L against a permitted limit of 45 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Oil & Grease
0% over limit
Discharged 0 mg/L against a permitted limit of 15 mg/L (DAILY MX)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.0001 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.002 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - 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
pH
0% over limit
Discharged 7.94 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Overdue
Oil & Grease
0% over limit
Discharged 5 mg/L against a permitted limit of 15 mg/L (DAILY MX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 7.94 SU against a permitted limit of 6 SU (MINIMUM)
DMR, Limited - Overdue
Oxygen demand, chem. [high level] [COD]
0% over limit
Discharged 136 mg/L against a permitted limit of 300 mg/L (DAILY MX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 7.26 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Overdue
Oxygen demand, chem. [high level] [COD]
0% over limit
Discharged 10 mg/L against a permitted limit of 300 mg/L (DAILY MX)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0 mg/L against a permitted limit of 45 mg/L (DAILY MX)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 12 mg/L against a permitted limit of 45 mg/L (DAILY MX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Overdue
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
Oil & Grease
0% over limit
Discharged 5 mg/L against a permitted limit of 15 mg/L (DAILY MX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 7.26 SU against a permitted limit of 6 SU (MINIMUM)
DMR, Limited - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 6 SU (MINIMUM)
DMR, Limited - Overdue
December 31, 2024
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.002 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 0 mg/L against a permitted limit of 45 mg/L (DAILY MX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 6.7 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.002 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 28 mg/L against a permitted limit of 45 mg/L (DAILY MX)
DMR, Limited - Overdue
Solids, total suspended
47% over limit
Discharged 66 mg/L against a permitted limit of 45 mg/L (DAILY MX)
DMR, Limited - Overdue
Solids, total suspended
47% over limit
Discharged 66 mg/L against a permitted limit of 45 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 6.7 SU against a permitted limit of 6 SU (MINIMUM)
DMR, Limited - Overdue
Oxygen demand, chem. [high level] [COD]
0% over limit
Discharged 32 mg/L against a permitted limit of 300 mg/L (DAILY MX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.0001 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
Oxygen demand, chem. [high level] [COD]
0% over limit
Discharged 0 mg/L against a permitted limit of 300 mg/L (DAILY MX)
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
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
Oil & Grease
0% over limit
Discharged 5 mg/L against a permitted limit of 15 mg/L (DAILY MX)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.0001 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
Oil & Grease
0% over limit
Discharged 0 mg/L against a permitted limit of 15 mg/L (DAILY MX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 6.94 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Overdue
Oil & Grease
0% over limit
Discharged 5 mg/L against a permitted limit of 15 mg/L (DAILY MX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 6 SU (MINIMUM)
DMR, Limited - Overdue
Oxygen demand, chem. [high level] [COD]
0% over limit
Discharged 292 mg/L against a permitted limit of 300 mg/L (DAILY MX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 6.94 SU against a permitted limit of 6 SU (MINIMUM)
DMR, Limited - Overdue
September 30, 2024
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.0001 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.002 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
Oxygen demand, chem. [high level] [COD]
0% over limit
Discharged 97 mg/L against a permitted limit of 300 mg/L (DAILY MX)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 2 mg/L against a permitted limit of 45 mg/L (DAILY MX)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.0001 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 0 mg/L against a permitted limit of 45 mg/L (DAILY MX)
DMR, Limited - Overdue
Solids, total suspended
49% over limit
Discharged 67 mg/L against a permitted limit of 45 mg/L (DAILY MX)
DMR, Limited - Overdue
Solids, total suspended
49% over limit
Discharged 67 mg/L against a permitted limit of 45 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.002 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 6.72 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Overdue
Oil & Grease
0% over limit
Discharged 0 mg/L against a permitted limit of 15 mg/L (DAILY MX)
DMR, Limited - Overdue
Oil & Grease
0% over limit
Discharged 5 mg/L against a permitted limit of 15 mg/L (DAILY MX)
DMR, Limited - Overdue
Oxygen demand, chem. [high level] [COD]
0% over limit
Discharged 0 mg/L against a permitted limit of 300 mg/L (DAILY MX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 6.62 SU against a permitted limit of 6 SU (MINIMUM)
DMR, Limited - Overdue
pH
0% over limit
Discharged 6.72 SU against a permitted limit of 6 SU (MINIMUM)
DMR, Limited - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Overdue
Oxygen demand, chem. [high level] [COD]
0% over limit
Discharged 10 mg/L against a permitted limit of 300 mg/L (DAILY MX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 6.62 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Overdue
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
Oil & Grease
0% over limit
Discharged 7.2 mg/L against a permitted limit of 15 mg/L (DAILY MX)
DMR, Limited - 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
First flagged
April 14, 2026 (3 months ago)
Last confirmed
August 1, 2026 (4 days ago)