STURM RUGER AND CO., INC.
NPDES ID: NHR053153
D — SNC: Discharge monitoring report not received
The facility didn't submit its required discharge monitoring report.
Violations
September 30, 2025
Aluminum, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 1.10000005 mg/L (MAXIMUM)
DMR, Limited - Overdue
June 30, 2025
Nitrite Plus Nitrate Total
0% over limit
Discharged 0 mg/L against a permitted limit of 0.68 mg/L (MAXIMUM)
DMR, Limited - Overdue
Chemical Oxygen Demand [COD]
0% over limit
Discharged 0 mg/L against a permitted limit of 120 mg/L (MAXIMUM)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0 mg/L against a permitted limit of 100 mg/L (MAXIMUM)
DMR, Limited - Overdue
Aluminum, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 1.10000005 mg/L (MAXIMUM)
DMR, Limited - Overdue
Aluminum, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 1.10000005 mg/L (MAXIMUM)
DMR, Limited - Overdue
Nitrite Plus Nitrate Total
0% over limit
Discharged 0 mg/L against a permitted limit of 0.68 mg/L (MAXIMUM)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0 mg/L against a permitted limit of 100 mg/L (MAXIMUM)
DMR, Limited - Overdue
Copper, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.00519 mg/L (MAXIMUM)
DMR, Limited - Overdue
Nitrite Plus Nitrate Total
0% over limit
Discharged 0 mg/L against a permitted limit of 0.68 mg/L (MAXIMUM)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0 mg/L against a permitted limit of 100 mg/L (MAXIMUM)
DMR, Limited - Overdue
Aluminum, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 1.10000005 mg/L (MAXIMUM)
DMR, Limited - Overdue
Nitrite Plus Nitrate Total
0% over limit
Discharged 0 mg/L against a permitted limit of 0.68 mg/L (MAXIMUM)
DMR, Limited - Overdue
Chemical Oxygen Demand [COD]
0% over limit
Discharged 0 mg/L against a permitted limit of 120 mg/L (MAXIMUM)
DMR, Limited - Overdue
Chemical Oxygen Demand [COD]
0% over limit
Discharged 0 mg/L against a permitted limit of 120 mg/L (MAXIMUM)
DMR, Limited - Overdue
Zinc, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.037 mg/L (MAXIMUM)
DMR, Limited - Overdue
Zinc, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.037 mg/L (MAXIMUM)
DMR, Limited - Overdue
Aluminum, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 1.10000005 mg/L (MAXIMUM)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0 mg/L against a permitted limit of 100 mg/L (MAXIMUM)
DMR, Limited - Overdue
Aluminum, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 1.10000005 mg/L (MAXIMUM)
DMR, Limited - Overdue
Aluminum, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 1.10000005 mg/L (MAXIMUM)
DMR, Limited - Overdue
Zinc, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.037 mg/L (MAXIMUM)
DMR, Limited - Overdue
Zinc, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.037 mg/L (MAXIMUM)
DMR, Limited - Overdue
Zinc, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.037 mg/L (MAXIMUM)
DMR, Limited - Overdue
Zinc, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.037 mg/L (MAXIMUM)
DMR, Limited - Overdue
Copper, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.00519 mg/L (MAXIMUM)
DMR, Limited - Overdue
Aluminum, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 1.10000005 mg/L (MAXIMUM)
DMR, Limited - Overdue
Copper, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.00519 mg/L (MAXIMUM)
DMR, Limited - Overdue
Aluminum, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 1.10000005 mg/L (MAXIMUM)
DMR, Limited - Overdue
Nitrite Plus Nitrate Total
0% over limit
Discharged 0 mg/L against a permitted limit of 0.68 mg/L (MAXIMUM)
DMR, Limited - Overdue
Aluminum, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 1.10000005 mg/L (MAXIMUM)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0 mg/L against a permitted limit of 100 mg/L (MAXIMUM)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0 mg/L against a permitted limit of 100 mg/L (MAXIMUM)
DMR, Limited - Overdue
Nitrite Plus Nitrate Total
0% over limit
Discharged 0 mg/L against a permitted limit of 0.68 mg/L (MAXIMUM)
DMR, Limited - Overdue
Zinc, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.037 mg/L (MAXIMUM)
DMR, Limited - Overdue
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (23 days ago)