SAINT-GOBAIN CERAMICS DBA CORHART REFRACTORIES
NPDES ID: WV0005177
E — SNC: Effluent violation (monthly average limit)
The facility discharged more of a pollutant than its permit allows, based on a monthly average.
This quarter: 5 effluent violations.
Violations
June 30, 2026
Aluminum, total recoverable
111% over limit
Discharged 0.76 mg/L against a permitted limit of 0.36 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
1% over limit
Discharged 0.76 mg/L against a permitted limit of 0.75 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
May 31, 2026
Aluminum, total recoverable
72% over limit
Discharged 0.62 mg/L against a permitted limit of 0.36 mg/L (MO AVG)
DMR, Limited - Numeric Violation
April 30, 2026
Temperature, water deg. fahrenheit
4% over limit
Discharged 65.4 deg F against a permitted limit of 63 deg F (MO AVG)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
81% over limit
Discharged 0.65 mg/L against a permitted limit of 0.36 mg/L (MO AVG)
DMR, Limited - Numeric Violation
March 31, 2026
Aluminum, total recoverable
8% over limit
Discharged 0.39 mg/L against a permitted limit of 0.36 mg/L (MO AVG)
DMR, Limited - Numeric Violation
September 30, 2025
Aluminum, total recoverable
61% over limit
Discharged 0.58 mg/L against a permitted limit of 0.36 mg/L (MO AVG)
DMR, Limited - Numeric Violation
June 30, 2025
Chromium, hexavalent [as Cr]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Aluminum, total recoverable
53% over limit
Discharged 0.55 mg/L against a permitted limit of 0.36 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Temperature, water deg. fahrenheit
4% over limit
Discharged 78 deg F against a permitted limit of 75 deg F (MO AVG)
DMR, Limited - Numeric Violation
Chromium, hexavalent [as Cr]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
First flagged
April 14, 2026 (4 months ago)
Last confirmed
August 15, 2026 (5 hours ago)