20 ROAD GRAVEL PIT
NPDES ID: COG500491
S — SNC: Compliance schedule violation
The facility missed a deadline in its compliance schedule by more than 90 days.
This quarter: 5 permit schedule violations.
Violations
June 30, 2025
Solids, total dissolved
0% over limit
Discharged 6823 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Solids, total dissolved
0% over limit
Discharged 5079 mg/L against a permitted limit of 0 mg/L (30DA AVG)
DMR, Monitor Only - Overdue
Flow, total
0% over limit
Discharged 0.00000621 gal against a permitted limit of 0 gal (QTRTOTAL)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 7.49 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Overdue
Selenium, potentially dissolvd
0% over limit
Discharged 0.00216 mg/L against a permitted limit of 0.0184 mg/L (DAILY MX)
DMR, Limited - Overdue
Solids, total suspended
8% over limit
Discharged 32.5 mg/L against a permitted limit of 30 mg/L (30DA AVG)
DMR, Limited - Overdue
First flagged
April 14, 2026 (5 months ago)
Last confirmed
September 15, 2026 (5 days ago)