MOUNTAIN AGGREGATES INC - ELKHORN STONE QUARRY
NPDES ID: KYG840048
D — SNC: Discharge monitoring report not received
The facility didn't submit its required discharge monitoring report.
Violations
February 28, 2026
Oil & Grease
0% over limit
Discharged 0 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Overdue
Precipitation volume
0% over limit
Discharged 0 in/d against a permitted limit of 0 in/d (DAILY MX)
DMR, Monitor Only - Overdue
Solids, settleable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.0005 mg/L (DAILY MX)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 6 SU (MINIMUM)
DMR, Limited - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Overdue
Oil & Grease
0% over limit
Discharged 0 mg/L against a permitted limit of 15 mg/L (DAILY MX)
DMR, Limited - Overdue
Solids, settleable
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Precipitation volume
0% over limit
Discharged 0 in/d against a permitted limit of 0 in/d (MO AVG)
DMR, Monitor Only - Overdue
April 30, 2025
Oil & Grease
0% over limit
Discharged 0 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Overdue
Oil & Grease
0% over limit
Discharged 0 mg/L against a permitted limit of 15 mg/L (DAILY MX)
DMR, Limited - Overdue
March 31, 2025
Solids, settleable
20% over limit
Discharged 0.0006 mg/L against a permitted limit of 0.0005 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
September 30, 2024
Oil & Grease
52% over limit
Discharged 15.2 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Oil & Grease
1% over limit
Discharged 15.2 mg/L against a permitted limit of 15 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (23 days ago)