NPDES ID: SDPG00021
D — SNC: Discharge monitoring report not received
The facility didn't submit its required discharge monitoring report.
This quarter: 26 reporting violations.
Violations
April 30, 2026
Flow, process wastewater
0% over limit
Discharged 0 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
Flow, total
0% over limit
Discharged 0 gal against a permitted limit of 0 gal (MO TOTAL)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 5 SU (DAILY MN)
DMR, Limited - Overdue
Temperature, water deg. fahrenheit
0% over limit
Discharged 0 deg F against a permitted limit of 0 deg F (DAILY MX)
DMR, Monitor Only - Overdue
Flow, process wastewater
0% over limit
Discharged 0 MGD against a permitted limit of 0 MGD (30DA AVG)
DMR, Monitor Only - Overdue
Temperature, water deg. fahrenheit
0% over limit
Discharged 0 deg F against a permitted limit of 0 deg F (30DA AVG)
DMR, Monitor Only - Overdue
Flow rate
0% over limit
Discharged 0 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
Duration of discharge
0% over limit
Discharged 0 d against a permitted limit of 0 d (MO TOTAL)
DMR, Monitor Only - Overdue
Flow rate
0% over limit
Discharged 0 MGD against a permitted limit of 0 MGD (30DA AVG)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 12.5 SU (DAILY MX)
DMR, Limited - Overdue
March 31, 2026
Cyanide, total [as CN]
0% over limit
Discharged 0 mg/L against a permitted limit of 0.65 mg/L (30DA AVG)
DMR, Limited - Overdue
Nickel, total [as Ni]
0% over limit
Discharged 0 mg/L against a permitted limit of 2.38 mg/L (30DA AVG)
DMR, Limited - Overdue
Copper, total [as Cu]
0% over limit
Discharged 0 mg/L against a permitted limit of 2.07 mg/L (30DA AVG)
DMR, Limited - Overdue
Silver, total [as Ag]
0% over limit
Discharged 0 mg/L against a permitted limit of 0.24 mg/L (30DA AVG)
DMR, Limited - Overdue
Zinc, total [as Zn]
0% over limit
Discharged 0 mg/L against a permitted limit of 1.48 mg/L (30DA AVG)
DMR, Limited - Overdue
Silver, total [as Ag]
0% over limit
Discharged 0 mg/L against a permitted limit of 0.43 mg/L (DAILY MX)
DMR, Limited - Overdue
Lead, total [as Pb]
0% over limit
Discharged 0 mg/L against a permitted limit of 0.69 mg/L (DAILY MX)
DMR, Limited - Overdue
Chromium, total [as Cr]
0% over limit
Discharged 0 mg/L against a permitted limit of 2.77 mg/L (DAILY MX)
DMR, Limited - Overdue
Zinc, total [as Zn]
0% over limit
Discharged 0 mg/L against a permitted limit of 2.61 mg/L (DAILY MX)
DMR, Limited - Overdue
Cyanide, total [as CN]
0% over limit
Discharged 0 mg/L against a permitted limit of 1.2 mg/L (DAILY MX)
DMR, Limited - Overdue
Copper, total [as Cu]
0% over limit
Discharged 0 mg/L against a permitted limit of 3.38 mg/L (DAILY MX)
DMR, Limited - Overdue
Chromium, total [as Cr]
0% over limit
Discharged 0 mg/L against a permitted limit of 1.71 mg/L (30DA AVG)
DMR, Limited - Overdue
Lead, total [as Pb]
0% over limit
Discharged 0 mg/L against a permitted limit of 0.43 mg/L (30DA AVG)
DMR, Limited - Overdue
Cadmium, total [as Cd]
0% over limit
Discharged 0 mg/L against a permitted limit of 0.11 mg/L (DAILY MX)
DMR, Limited - Overdue
Nickel, total [as Ni]
0% over limit
Discharged 0 mg/L against a permitted limit of 3.98 mg/L (DAILY MX)
DMR, Limited - Overdue
Cadmium, total [as Cd]
0% over limit
Discharged 0 mg/L against a permitted limit of 0.07 mg/L (30DA AVG)
DMR, Limited - Overdue
February 28, 2026
pH
0% over limit
Discharged 8.24 SU against a permitted limit of 5 SU (DAILY MN)
DMR, Limited - Overdue
Duration of discharge
0% over limit
Discharged 13 d against a permitted limit of 0 d (MO TOTAL)
DMR, Monitor Only - Overdue
Temperature, water deg. fahrenheit
0% over limit
Discharged 54 deg F against a permitted limit of 0 deg F (30DA AVG)
DMR, Monitor Only - Overdue
Flow, total
0% over limit
Discharged 69476 gal against a permitted limit of 0 gal (MO TOTAL)
DMR, Monitor Only - Overdue
Flow rate
0% over limit
Discharged 0.005762 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
Temperature, water deg. fahrenheit
0% over limit
Discharged 56.3 deg F against a permitted limit of 0 deg F (DAILY MX)
DMR, Monitor Only - Overdue
Flow, process wastewater
0% over limit
Discharged 0.004418 MGD against a permitted limit of 0 MGD (30DA AVG)
DMR, Monitor Only - Overdue
Flow, process wastewater
0% over limit
Discharged 0.006123 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
Flow rate
0% over limit
Discharged 0.0043 MGD against a permitted limit of 0 MGD (30DA AVG)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 8.33 SU against a permitted limit of 12.5 SU (DAILY MX)
DMR, Limited - Overdue
January 31, 2026
Flow, total
0% over limit
Discharged 96328 gal against a permitted limit of 0 gal (MO TOTAL)
DMR, Monitor Only - Overdue
Duration of discharge
0% over limit
Discharged 10 d against a permitted limit of 0 d (MO TOTAL)
DMR, Monitor Only - Overdue
Flow, process wastewater
0% over limit
Discharged 0.005 MGD against a permitted limit of 0 MGD (30DA AVG)
DMR, Monitor Only - Overdue
Flow, process wastewater
0% over limit
Discharged 0.008058 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
Flow rate
0% over limit
Discharged 0.00735 MGD against a permitted limit of 0 MGD (30DA AVG)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 8.24 SU against a permitted limit of 5 SU (DAILY MN)
DMR, Limited - Overdue
pH
0% over limit
Discharged 8.31 SU against a permitted limit of 12.5 SU (DAILY MX)
DMR, Limited - Overdue
Temperature, water deg. fahrenheit
0% over limit
Discharged 52 deg F against a permitted limit of 0 deg F (30DA AVG)
DMR, Monitor Only - Overdue
Temperature, water deg. fahrenheit
0% over limit
Discharged 56.3 deg F against a permitted limit of 0 deg F (DAILY MX)
DMR, Monitor Only - Overdue
Flow rate
0% over limit
Discharged 0.008926 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
December 31, 2025
Cadmium, total [as Cd]
0% over limit
Discharged 0 mg/L against a permitted limit of 0.11 mg/L (DAILY MX)
DMR, Limited - Overdue
Nickel, total [as Ni]
0% over limit
Discharged 0.433 mg/L against a permitted limit of 2.38 mg/L (30DA AVG)
DMR, Limited - Overdue
Chromium, total [as Cr]
0% over limit
Discharged 0.011 mg/L against a permitted limit of 1.71 mg/L (30DA AVG)
DMR, Limited - Overdue
Cyanide, total [as CN]
0% over limit
Discharged 0 mg/L against a permitted limit of 1.2 mg/L (DAILY MX)
DMR, Limited - Overdue
Copper, total [as Cu]
0% over limit
Discharged 0.207 mg/L against a permitted limit of 2.07 mg/L (30DA AVG)
DMR, Limited - Overdue
Zinc, total [as Zn]
0% over limit
Discharged 0 mg/L against a permitted limit of 1.48 mg/L (30DA AVG)
DMR, Limited - Overdue
Lead, total [as Pb]
0% over limit
Discharged 0 mg/L against a permitted limit of 0.69 mg/L (DAILY MX)
DMR, Limited - Overdue
Zinc, total [as Zn]
0% over limit
Discharged 0 mg/L against a permitted limit of 2.61 mg/L (DAILY MX)
DMR, Limited - Overdue
Lead, total [as Pb]
0% over limit
Discharged 0 mg/L against a permitted limit of 0.43 mg/L (30DA AVG)
DMR, Limited - Overdue
Copper, total [as Cu]
0% over limit
Discharged 0.207 mg/L against a permitted limit of 3.38 mg/L (DAILY MX)
DMR, Limited - Overdue
Organics, total toxic [TTO]
0% over limit
Discharged 0 mg/L against a permitted limit of 2.13 mg/L (DAILY MX)
DMR, Limited - Overdue
Chromium, total [as Cr]
0% over limit
Discharged 0.011 mg/L against a permitted limit of 2.77 mg/L (DAILY MX)
DMR, Limited - Overdue
Cadmium, total [as Cd]
0% over limit
Discharged 0 mg/L against a permitted limit of 0.07 mg/L (30DA AVG)
DMR, Limited - Overdue
Silver, total [as Ag]
0% over limit
Discharged 0 mg/L against a permitted limit of 0.43 mg/L (DAILY MX)
DMR, Limited - Overdue
Nickel, total [as Ni]
0% over limit
Discharged 0.433 mg/L against a permitted limit of 3.98 mg/L (DAILY MX)
DMR, Limited - Overdue
Silver, total [as Ag]
0% over limit
Discharged 0 mg/L against a permitted limit of 0.24 mg/L (30DA AVG)
DMR, Limited - Overdue
Cyanide, total [as CN]
0% over limit
Discharged 0 mg/L against a permitted limit of 0.65 mg/L (30DA AVG)
DMR, Limited - Overdue
October 31, 2025
Flow rate
0% over limit
Discharged 0.00977286 MGD against a permitted limit of 0 MGD (30DA AVG)
DMR, Monitor Only - Overdue
Flow, process wastewater
0% over limit
Discharged 0.00511234 MGD against a permitted limit of 0 MGD (30DA AVG)
DMR, Monitor Only - Overdue
Duration of discharge
0% over limit
Discharged 7 d against a permitted limit of 0 d (MO TOTAL)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 8.24 SU against a permitted limit of 12.5 SU (DAILY MX)
DMR, Limited - Overdue
Flow rate
0% over limit
Discharged 0.01298557 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 8.18 SU against a permitted limit of 5 SU (DAILY MN)
DMR, Limited - Overdue
Flow, total
0% over limit
Discharged 128716 gal against a permitted limit of 0 gal (MO TOTAL)
DMR, Monitor Only - Overdue
Flow, process wastewater
0% over limit
Discharged 0.0085396 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
Temperature, water deg. fahrenheit
0% over limit
Discharged 61 deg F against a permitted limit of 0 deg F (30DA AVG)
DMR, Monitor Only - Overdue
Temperature, water deg. fahrenheit
0% over limit
Discharged 66 deg F against a permitted limit of 0 deg F (DAILY MX)
DMR, Monitor Only - Overdue
September 30, 2025
Organics, total toxic [TTO]
0% over limit
Discharged 0 mg/L against a permitted limit of 2.13 mg/L (DAILY MX)
DMR, Limited - Overdue
Nickel, total [as Ni]
0% over limit
Discharged 0 mg/L against a permitted limit of 3.98 mg/L (DAILY MX)
DMR, Limited - Overdue
Lead, total [as Pb]
0% over limit
Discharged 0 mg/L against a permitted limit of 0.43 mg/L (30DA AVG)
DMR, Limited - Overdue
Lead, total [as Pb]
0% over limit
Discharged 0 mg/L against a permitted limit of 0.69 mg/L (DAILY MX)
DMR, Limited - Overdue
Cadmium, total [as Cd]
0% over limit
Discharged 0 mg/L against a permitted limit of 0.11 mg/L (DAILY MX)
DMR, Limited - Overdue
Chromium, total [as Cr]
0% over limit
Discharged 0 mg/L against a permitted limit of 2.77 mg/L (DAILY MX)
DMR, Limited - Overdue
Silver, total [as Ag]
0% over limit
Discharged 0 mg/L against a permitted limit of 0.43 mg/L (DAILY MX)
DMR, Limited - Overdue
Copper, total [as Cu]
0% over limit
Discharged 0 mg/L against a permitted limit of 2.07 mg/L (30DA AVG)
DMR, Limited - Overdue
Nickel, total [as Ni]
0% over limit
Discharged 0 mg/L against a permitted limit of 2.38 mg/L (30DA AVG)
DMR, Limited - Overdue
Cadmium, total [as Cd]
0% over limit
Discharged 0 mg/L against a permitted limit of 0.07 mg/L (30DA AVG)
DMR, Limited - Overdue
Copper, total [as Cu]
0% over limit
Discharged 0 mg/L against a permitted limit of 3.38 mg/L (DAILY MX)
DMR, Limited - Overdue
Zinc, total [as Zn]
0% over limit
Discharged 0 mg/L against a permitted limit of 1.48 mg/L (30DA AVG)
DMR, Limited - Overdue
Zinc, total [as Zn]
0% over limit
Discharged 0 mg/L against a permitted limit of 2.61 mg/L (DAILY MX)
DMR, Limited - Overdue
Cyanide, total [as CN]
0% over limit
Discharged 0 mg/L against a permitted limit of 1.2 mg/L (DAILY MX)
DMR, Limited - Overdue
Silver, total [as Ag]
0% over limit
Discharged 0 mg/L against a permitted limit of 0.24 mg/L (30DA AVG)
DMR, Limited - Overdue
Cyanide, total [as CN]
0% over limit
Discharged 0 mg/L against a permitted limit of 0.65 mg/L (30DA AVG)
DMR, Limited - Overdue
Chromium, total [as Cr]
0% over limit
Discharged 0 mg/L against a permitted limit of 1.71 mg/L (30DA AVG)
DMR, Limited - Overdue
August 31, 2025
pH
0% over limit
Discharged 0 SU against a permitted limit of 5 SU (DAILY MN)
DMR, Limited - Overdue
pH
0% over limit
Discharged 8.22 SU against a permitted limit of 12.5 SU (DAILY MX)
DMR, Limited - Overdue
Flow rate
0% over limit
Discharged 0.003827 MGD against a permitted limit of 0 MGD (30DA AVG)
DMR, Monitor Only - Overdue
Duration of discharge
0% over limit
Discharged 19 d against a permitted limit of 0 d (MO TOTAL)
DMR, Monitor Only - Overdue
Temperature, water deg. fahrenheit
0% over limit
Discharged 71 deg F against a permitted limit of 0 deg F (30DA AVG)
DMR, Monitor Only - Overdue
Temperature, water deg. fahrenheit
0% over limit
Discharged 0 deg F against a permitted limit of 0 deg F (DAILY MX)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 12.5 SU (DAILY MX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 8.17 SU against a permitted limit of 5 SU (DAILY MN)
DMR, Limited - Overdue
Flow, process wastewater
0% over limit
Discharged 0 MGD against a permitted limit of 0 MGD (30DA AVG)
DMR, Monitor Only - Overdue
Flow, process wastewater
0% over limit
Discharged 0 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
Temperature, water deg. fahrenheit
0% over limit
Discharged 0 deg F against a permitted limit of 0 deg F (30DA AVG)
DMR, Monitor Only - Overdue
Flow, process wastewater
0% over limit
Discharged 0.008618 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
Flow rate
0% over limit
Discharged 0 MGD against a permitted limit of 0 MGD (30DA AVG)
DMR, Monitor Only - Overdue
Temperature, water deg. fahrenheit
0% over limit
Discharged 73 deg F against a permitted limit of 0 deg F (DAILY MX)
DMR, Monitor Only - Overdue
Flow rate
0% over limit
Discharged 0 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
Flow, process wastewater
0% over limit
Discharged 0.005147 MGD against a permitted limit of 0 MGD (30DA AVG)
DMR, Monitor Only - Overdue
Duration of discharge
0% over limit
Discharged 0 d against a permitted limit of 0 d (MO TOTAL)
DMR, Monitor Only - Overdue
Flow, total
0% over limit
Discharged 0 gal against a permitted limit of 0 gal (MO TOTAL)
DMR, Monitor Only - Overdue
Flow, total
0% over limit
Discharged 87085 gal against a permitted limit of 0 gal (MO TOTAL)
DMR, Monitor Only - Overdue
Flow rate
0% over limit
Discharged 0.007106 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
March 31, 2025
Nickel, total [as Ni]
0% over limit
Discharged 0 mg/L against a permitted limit of 3.98 mg/L (DAILY MX)
DMR, Limited - Overdue
Copper, total [as Cu]
0% over limit
Discharged 0 mg/L against a permitted limit of 3.38 mg/L (DAILY MX)
DMR, Limited - Overdue
Chromium, total [as Cr]
0% over limit
Discharged 0 mg/L against a permitted limit of 2.77 mg/L (DAILY MX)
DMR, Limited - Overdue
Lead, total [as Pb]
0% over limit
Discharged 0 mg/L against a permitted limit of 0.69 mg/L (DAILY MX)
DMR, Limited - Overdue
Silver, total [as Ag]
0% over limit
Discharged 0 mg/L against a permitted limit of 0.24 mg/L (30DA AVG)
DMR, Limited - Overdue
Cadmium, total [as Cd]
0% over limit
Discharged 0 mg/L against a permitted limit of 0.11 mg/L (DAILY MX)
DMR, Limited - Overdue
Zinc, total [as Zn]
0% over limit
Discharged 0 mg/L against a permitted limit of 2.61 mg/L (DAILY MX)
DMR, Limited - Overdue
Nickel, total [as Ni]
0% over limit
Discharged 0 mg/L against a permitted limit of 2.38 mg/L (30DA AVG)
DMR, Limited - Overdue
Cyanide, total [as CN]
0% over limit
Discharged 0 mg/L against a permitted limit of 1.2 mg/L (DAILY MX)
DMR, Limited - Overdue
Lead, total [as Pb]
0% over limit
Discharged 0 mg/L against a permitted limit of 0.43 mg/L (30DA AVG)
DMR, Limited - Overdue
Chromium, total [as Cr]
0% over limit
Discharged 0 mg/L against a permitted limit of 1.71 mg/L (30DA AVG)
DMR, Limited - Overdue
Zinc, total [as Zn]
0% over limit
Discharged 0 mg/L against a permitted limit of 1.48 mg/L (30DA AVG)
DMR, Limited - Overdue
Cyanide, total [as CN]
0% over limit
Discharged 0 mg/L against a permitted limit of 0.65 mg/L (30DA AVG)
DMR, Limited - Overdue
Silver, total [as Ag]
0% over limit
Discharged 0 mg/L against a permitted limit of 0.43 mg/L (DAILY MX)
DMR, Limited - Overdue
Cadmium, total [as Cd]
0% over limit
Discharged 0 mg/L against a permitted limit of 0.07 mg/L (30DA AVG)
DMR, Limited - Overdue
Copper, total [as Cu]
0% over limit
Discharged 0 mg/L against a permitted limit of 2.07 mg/L (30DA AVG)
DMR, Limited - Overdue
November 30, 2024
Temperature, water deg. fahrenheit
0% over limit
Discharged 64.9 deg F against a permitted limit of 0 deg F (30DA AVG)
DMR, Monitor Only - Overdue
Flow rate
0% over limit
Discharged 0.006551 MGD against a permitted limit of 0 MGD (30DA AVG)
DMR, Monitor Only - Overdue
Flow, process wastewater
0% over limit
Discharged 0.008715 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 8.28 SU against a permitted limit of 12.5 SU (DAILY MX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 8.15 SU against a permitted limit of 5 SU (DAILY MN)
DMR, Limited - Overdue
Flow, total
0% over limit
Discharged 138948 gal against a permitted limit of 0 gal (MO TOTAL)
DMR, Monitor Only - Overdue
Flow, process wastewater
0% over limit
Discharged 0.005571 MGD against a permitted limit of 0 MGD (30DA AVG)
DMR, Monitor Only - Overdue
Duration of discharge
0% over limit
Discharged 17 d against a permitted limit of 0 d (MO TOTAL)
DMR, Monitor Only - Overdue
Flow rate
0% over limit
Discharged 0.015091 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
Temperature, water deg. fahrenheit
0% over limit
Discharged 69.5 deg F against a permitted limit of 0 deg F (DAILY MX)
DMR, Monitor Only - Overdue
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (23 days ago)