MOFFAT TUNNEL EAST PORTAL
NPDES ID: CO0048986
D — SNC: Discharge monitoring report not received
The facility didn't submit its required discharge monitoring report.
Violations
February 28, 2026
Temperature, water deg. centigrade
0% over limit
Discharged 0.02 deg C against a permitted limit of 0 deg C (MX WK AV)
DMR, Monitor Only - Overdue
Temperature, water deg. centigrade
0% over limit
Discharged 8.3 deg C against a permitted limit of 0 deg C (DAILY MX)
DMR, Monitor Only - Overdue
January 31, 2026
Temperature, water deg. centigrade
0% over limit
Discharged 2.8 deg C against a permitted limit of 0 deg C (DAILY MX)
DMR, Monitor Only - Overdue
Temperature, water deg. centigrade
0% over limit
Discharged -1.2 deg C against a permitted limit of 0 deg C (MX WK AV)
DMR, Monitor Only - Overdue
December 31, 2025
Temperature, water deg. centigrade
0% over limit
Discharged 5.9 deg C against a permitted limit of 0 deg C (DAILY MX)
DMR, Monitor Only - Overdue
Temperature, water deg. centigrade
0% over limit
Discharged 1.1 deg C against a permitted limit of 0 deg C (MX WK AV)
DMR, Monitor Only - Overdue
November 30, 2025
Temperature, water deg. centigrade
0% over limit
Discharged 3.3 deg C against a permitted limit of 0 deg C (MX WK AV)
DMR, Monitor Only - Overdue
Temperature, water deg. centigrade
0% over limit
Discharged 10.1 deg C against a permitted limit of 0 deg C (DAILY MX)
DMR, Monitor Only - Overdue
January 31, 2025
Temperature, water deg. centigrade
0% over limit
Discharged 0.8 deg C against a permitted limit of 0 deg C (MX WK AV)
DMR, Monitor Only - Overdue
Temperature, water deg. centigrade
0% over limit
Discharged 2.8 deg C against a permitted limit of 0 deg C (DAILY MX)
DMR, Monitor Only - Overdue
December 31, 2024
Temperature, water deg. centigrade
0% over limit
Discharged 1 deg C against a permitted limit of 0 deg C (MX WK AV)
DMR, Monitor Only - Overdue
Temperature, water deg. centigrade
0% over limit
Discharged 3.4 deg C against a permitted limit of 0 deg C (DAILY MX)
DMR, Monitor Only - Overdue
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (23 days ago)