RIO'S METALS
NPDES ID: WAR125945
D — SNC: Discharge monitoring report not received
The facility didn't submit its required discharge monitoring report.
This quarter: 18 permit schedule violations, 15 reporting violations.
Violations
March 31, 2026
Copper, total [as Cu]
0% over limit
Discharged 0 mg/L against a permitted limit of 0.032 mg/L (AVERAGE)
DMR, Limited - Overdue
Turbidity
0% over limit
Discharged 0 NTU against a permitted limit of 25 NTU (AVERAGE)
DMR, Limited - Overdue
Hexafluoropropylene oxide dimer acid (HFPO-DA)
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (Single Rdg)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 5 SU (DAILY MN)
DMR, Limited - Overdue
Zinc, total [as Zn]
0% over limit
Discharged 0 mg/L against a permitted limit of 0.11700001 mg/L (AVERAGE)
DMR, Limited - Overdue
Perfluorooctanoic acid (PFOA)
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (Single Rdg)
DMR, Monitor Only - Overdue
First flagged
April 14, 2026 (5 months ago)
Last confirmed
September 15, 2026 (5 days ago)