I 99 J2 ARD TRMT FAC
NPDES ID: PA0232432
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: 1 single-event violation.
Violations
February 28, 2026
Aluminum, total [as Al]
52% over limit
Discharged 1.14 mg/L against a permitted limit of 0.75 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Aluminum, total [as Al]
28% over limit
Discharged 0.96 mg/L against a permitted limit of 0.75 mg/L (MO AVG)
DMR, Limited - Numeric Violation
January 31, 2026
Aluminum, total [as Al]
140% over limit
Discharged 1.8 mg/L against a permitted limit of 0.75 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Aluminum, total [as Al]
57% over limit
Discharged 1.18 mg/L against a permitted limit of 0.75 mg/L (MO AVG)
DMR, Limited - Numeric Violation
December 31, 2025
Aluminum, total [as Al]
41% over limit
Discharged 1.06 mg/L against a permitted limit of 0.75 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
March 31, 2025
Aluminum, total [as Al]
8% over limit
Discharged 0.807 mg/L against a permitted limit of 0.75 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
January 31, 2025
Aluminum, total [as Al]
37% over limit
Discharged 1.03 mg/L against a permitted limit of 0.75 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Aluminum, total [as Al]
23% over limit
Discharged 0.92 mg/L against a permitted limit of 0.75 mg/L (MO AVG)
DMR, Limited - Numeric Violation
December 31, 2024
Aluminum, total [as Al]
20% over limit
Discharged 0.1362 kg/d against a permitted limit of 0.1135 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Aluminum, total [as Al]
27% over limit
Discharged 0.95 mg/L against a permitted limit of 0.75 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Aluminum, total [as Al]
60% over limit
Discharged 0.1816 kg/d against a permitted limit of 0.1135 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Aluminum, total [as Al]
35% over limit
Discharged 1.01 mg/L against a permitted limit of 0.75 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (23 days ago)