INTERFOR U.S. INC. (PERRY DIVISION)
NPDES ID: GAP050307
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: 9 effluent violations.
Violations
May 31, 2026
Flow, in conduit or thru treatment plant
85% over limit
Discharged 0.024023 MGD against a permitted limit of 0.013 MGD (DAILY MX)
DMR, Limited - Numeric Violation
April 30, 2026
pH
0% over limit
Discharged 9.55 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
223% over limit
Discharged 25.878 mg/L against a permitted limit of 8 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
Zinc, total [as Zn]
233% over limit
Discharged 1.1 mg/L against a permitted limit of 0.33 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Zinc, total [as Zn]
233% over limit
Discharged 1.1 mg/L against a permitted limit of 0.33 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
Zinc, total [as Zn]
233% over limit
Discharged 1.1 mg/L against a permitted limit of 0.33 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (5 months ago)
Last confirmed
September 15, 2026 (6 days ago)