THOMPSON CREEK MINING COMPANY

NPDES permit ID0025402 · Major NON-POTW · administratively continued, expires 2007-01-29 · EPA's file as of 2026-09-19

Check this month's numbers before you file
Watch this permit — $79 a month. Every Monday, from EPA's newest files: the next report due and when, whether EPA's file holds your last one, any change to this permit's limits or status, and the renewal date.

This permit expired on 2007-01-29 and is administratively continued: its last limits keep applying until a new permit is issued, and EPA still expects the reports.

EPA's record, 2025-09-01 to 2026-08-31

0values over a limit
0required values missing, on 0 form(s)
0of 55 forms filed late

Last period with anything received: 2026-07-31.

Reporting

Reports are due about 20 days after each monitoring period ends (the most common figure among ID permits in EPA's filings — check your permit).

Limits in force (226)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigradeMO AVG report only all year
001Temperature, water deg. centigradeDAILY MX report only all year
001pHMINIMUM >= 6.5 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedMO AVG <= 20 mg/L all year
001Solids, total suspendedDAILY MX <= 30 mg/L all year
001Hardness, total [as CaCO3]MO AVG report only all year
001Hardness, total [as CaCO3]DAILY MX report only all year
001Selenium, total recoverableMO AVG report only all year
001Selenium, total recoverableDAILY MX report only all year
001Selenium, total recoverableMO AVG report only all year
001Selenium, total recoverableMO AVG <= 41 ug/L all year
001Selenium, total recoverableDAILY MX report only all year
001Selenium, total recoverableDAILY MX <= 56 ug/L all year
001Zinc, total recoverableMO AVG <= 750 ug/L all year
001Zinc, total recoverableDAILY MX <= 1500 ug/L all year
001Zinc, total recoverableMO AVG <= 160 ug/L all year
001Zinc, total recoverableDAILY MX <= 230 ug/L all year
001Cadmium, total recoverableMO AVG <= 56 ug/L all year
001Cadmium, total recoverableDAILY MX <= 81 ug/L all year
001Cadmium, total recoverableMO AVG <= 1.4 ug/L all year
001Cadmium, total recoverableDAILY MX <= 2 ug/L all year
001Lead, total recoverableMO AVG <= 73 ug/L all year
001Lead, total recoverableDAILY MX <= 110 ug/L all year
001Lead, total recoverableMO AVG <= 5.4 ug/L all year
001Lead, total recoverableDAILY MX <= 7.9 ug/L all year
001Copper, total recoverableMO AVG <= 150 ug/L all year
001Copper, total recoverableDAILY MX <= 300 ug/L all year
001Copper, total recoverableMO AVG <= 20 ug/L all year
001Copper, total recoverableDAILY MX <= 30 ug/L all year
001Molybdenum, total recoverableMO AVG report only all year
001Molybdenum, total recoverableDAILY MX report only all year
001Flow, in conduit or thru treatment plantDAILY AV report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Toxicity, final conc toxicity unitsMO AVG report only Apr
001Toxicity, final conc toxicity unitsDAILY MX report only Apr
001Mercury, total [as Hg]MO AVG <= .73 ug/L all year
001Mercury, total [as Hg]DAILY MX <= 1.1 ug/L all year
001Mercury, total [as Hg]MO AVG <= .069 ug/L all year
001Mercury, total [as Hg]DAILY MX <= .1 ug/L all year
001FlowMO AVG report only all year
001FlowDAILY MX report only all year
001Effluent dilution ratioDAILY MN >= 212 % all year
001Effluent dilution ratioDAILY MN >= 16.2 % all year
001TU Static Renewal 96Hr Acute Oncorhynchus MykissMO AVG report only Apr
001TU Static Renewal 96Hr Acute Oncorhynchus MykissDAILY MX report only Apr
002Temperature, water deg. centigradeMO AVG report only all year
002Temperature, water deg. centigradeDAILY MX report only all year
002pHMINIMUM >= 6.5 SU all year
002pHMAXIMUM <= 9 SU all year
002Solids, total suspendedMO AVG <= 20 mg/L all year
002Solids, total suspendedDAILY MX <= 30 mg/L all year
002Hardness, total [as CaCO3]MO AVG report only all year
002Hardness, total [as CaCO3]DAILY MX report only all year
002Selenium, total recoverableMO AVG report only all year
002Selenium, total recoverableMO AVG <= 27 ug/L all year
002Selenium, total recoverableDAILY MX report only all year
002Selenium, total recoverableDAILY MX <= 40 ug/L all year
002Selenium, total recoverableMO AVG report only all year
002Selenium, total recoverableMO AVG <= 11 ug/L all year
002Selenium, total recoverableDAILY MX report only all year
002Selenium, total recoverableDAILY MX <= 16 ug/L all year
002Zinc, total recoverableMO AVG <= 190 ug/L all year
002Zinc, total recoverableDAILY MX <= 280 ug/L all year
002Zinc, total recoverableMO AVG <= 300 ug/L all year
002Zinc, total recoverableDAILY MX <= 440 ug/L all year
002Cadmium, total recoverableMO AVG <= 8.5 ug/L all year
002Cadmium, total recoverableDAILY MX <= 12 ug/L all year
002Cadmium, total recoverableMO AVG <= 5.5 ug/L all year
002Cadmium, total recoverableDAILY MX <= 8.1 ug/L all year
002Lead, total recoverableMO AVG <= 23 ug/L all year
002Lead, total recoverableDAILY MX <= 33 ug/L all year
002Lead, total recoverableMO AVG <= 13 ug/L all year
002Lead, total recoverableDAILY MX <= 18 ug/L all year
002Copper, total recoverableMO AVG <= 22 ug/L all year
002Copper, total recoverableDAILY MX <= 32 ug/L all year
002Copper, total recoverableMO AVG <= 26 ug/L all year
002Copper, total recoverableDAILY MX <= 38 ug/L all year
002Molybdenum, total recoverableMO AVG report only all year
002Molybdenum, total recoverableDAILY MX report only all year
002Flow, in conduit or thru treatment plantDAILY AV report only all year
002Flow, in conduit or thru treatment plantDAILY MX report only all year
002Toxicity, final conc toxicity unitsMO AVG report only Apr
002Toxicity, final conc toxicity unitsDAILY MX report only Apr
002Mercury, total [as Hg]MO AVG <= .057 ug/L all year
002Mercury, total [as Hg]DAILY MX <= .083 ug/L all year
002Mercury, total [as Hg]MO AVG <= .057 ug/L all year
002Mercury, total [as Hg]DAILY MX <= .083 ug/L all year
002FlowMO AVG report only all year
002FlowDAILY MX report only all year
002Effluent dilution ratioDAILY MN >= 12.5 % all year
002Effluent dilution ratioDAILY MN >= 8 % all year
002TU Static Renewal 96Hr Acute Oncorhynchus MykissMO AVG report only Apr
002TU Static Renewal 96Hr Acute Oncorhynchus MykissDAILY MX report only Apr
003Temperature, water deg. centigradeMO AVG report only all year
003Temperature, water deg. centigradeDAILY MX report only all year
003TurbidityMO AVG report only Feb, Mar, Apr, May, Jun
003TurbidityMO AVG report only Jan, Jul, Aug, Sep, Oct, Nov, Dec
003TurbidityDAILY MX report only Feb, Mar, Apr, May, Jun
003TurbidityDAILY MX report only Jan, Jul, Aug, Sep, Oct, Nov, Dec
003pHMINIMUM report only all year
003pHMAXIMUM report only all year
003Solids, total suspendedMO AVG report only all year
003Solids, total suspendedDAILY MX report only all year
003Hardness, total [as CaCO3]MO AVG report only all year
003Hardness, total [as CaCO3]DAILY MX report only all year
003Zinc, total recoverableMO AVG report only all year
003Zinc, total recoverableDAILY MX report only all year
003Cadmium, total recoverableMO AVG report only all year
003Cadmium, total recoverableDAILY MX report only all year
003Lead, total recoverableMO AVG report only all year
003Lead, total recoverableDAILY MX report only all year
003Copper, total recoverableMO AVG report only all year
003Copper, total recoverableDAILY MX report only all year
003Flow, in conduit or thru treatment plantMO AVG report only all year
003Flow, in conduit or thru treatment plantDAILY MX report only all year
003Mercury, total [as Hg]MO AVG report only all year
003Mercury, total [as Hg]DAILY MX report only all year
004Temperature, water deg. centigradeMO AVG report only all year
004Temperature, water deg. centigradeDAILY MX report only all year
004pHMINIMUM >= 6.5 SU all year
004pHMAXIMUM <= 9 SU all year
004Solids, total suspendedMO AVG <= 20 mg/L all year
004Solids, total suspendedDAILY MX <= 30 mg/L all year
004Hardness, total [as CaCO3]MO AVG report only all year
004Hardness, total [as CaCO3]DAILY MX report only all year
004Silver total recoverableMO AVG report only all year
004Silver total recoverableDAILY MX report only all year
004Zinc, total recoverableMO AVG <= 260 ug/L all year
004Zinc, total recoverableDAILY MX <= 510 ug/L all year
004Zinc, total recoverableMO AVG <= 1.8 lb/d all year
004Zinc, total recoverableDAILY MX <= 3.6 lb/d all year
004Zinc, total recoverableMO AVG <= 350 ug/L all year
004Zinc, total recoverableDAILY MX <= 700 ug/L all year
004Zinc, total recoverableMO AVG <= 2.4 lb/d all year
004Zinc, total recoverableDAILY MX <= 4.9 lb/d all year
004Cadmium, total recoverableMO AVG <= 5.8 ug/L all year
004Cadmium, total recoverableDAILY MX <= 12 ug/L all year
004Cadmium, total recoverableMO AVG <= .041 lb/d all year
004Cadmium, total recoverableDAILY MX <= .084 lb/d all year
004Cadmium, total recoverableMO AVG <= 13 ug/L all year
004Cadmium, total recoverableDAILY MX <= 26 ug/L all year
004Cadmium, total recoverableMO AVG <= .091 lb/d all year
004Cadmium, total recoverableDAILY MX <= .18 lb/d all year
004Lead, total recoverableMO AVG <= 26 ug/L all year
004Lead, total recoverableDAILY MX <= 53 ug/L all year
004Lead, total recoverableMO AVG <= .18 lb/d all year
004Lead, total recoverableDAILY MX <= .37 lb/d all year
004Lead, total recoverableMO AVG <= 19 ug/L all year
004Lead, total recoverableDAILY MX <= 38 ug/L all year
004Lead, total recoverableMO AVG <= .13 lb/d all year
004Lead, total recoverableDAILY MX <= .27 lb/d all year
004Chromium, total recoverableMO AVG report only all year
004Chromium, total recoverableDAILY MX report only all year
004Copper, total recoverableMO AVG <= 24 ug/L all year
004Copper, total recoverableDAILY MX <= 48 ug/L all year
004Copper, total recoverableMO AVG <= .17 lb/d all year
004Copper, total recoverableDAILY MX <= .34 lb/d all year
004Copper, total recoverableMO AVG <= 37 ug/L all year
004Copper, total recoverableDAILY MX <= 75 ug/L all year
004Copper, total recoverableMO AVG <= .26 lb/d all year
004Copper, total recoverableDAILY MX <= .52 lb/d all year
004Molybdenum, total recoverableMO AVG report only all year
004Molybdenum, total recoverableDAILY MX report only all year
004Flow, in conduit or thru treatment plantMO AVG report only all year
004Flow, in conduit or thru treatment plantDAILY MX report only all year
004Toxicity, final conc toxicity unitsMO AVG report only Apr, Jun, Aug, Oct
004Toxicity, final conc toxicity unitsDAILY MX report only Apr, Jun, Aug, Oct
004Mercury, total [as Hg]MO AVG <= .044 ug/L all year
004Mercury, total [as Hg]DAILY MX <= .89 ug/L all year
004Mercury, total [as Hg]MO AVG <= .00031 lb/d all year
004Mercury, total [as Hg]DAILY MX <= .00069 lb/d all year
004Mercury, total [as Hg]MO AVG <= .1 ug/L all year
004Mercury, total [as Hg]DAILY MX <= .21 ug/L all year
004Mercury, total [as Hg]MO AVG <= .0007 lb/d all year
004Mercury, total [as Hg]DAILY MX <= .0015 lb/d all year
004FlowMO AVG report only all year
004FlowDAILY MX report only all year
004TU Static Renewal 96Hr Acute Oncorhynchus MykissMO AVG report only Apr
004TU Static Renewal 96Hr Acute Oncorhynchus MykissDAILY MX report only Apr
005Temperature, water deg. centigradeMO AVG report only all year
005Temperature, water deg. centigradeDAILY MX report only all year
005pHMINIMUM >= 6.5 SU all year
005pHMAXIMUM <= 9 SU all year
005Solids, total suspendedMO AVG <= 20 mg/L all year
005Solids, total suspendedDAILY MX <= 30 mg/L all year
005Hardness, total [as CaCO3]MO AVG report only all year
005Hardness, total [as CaCO3]DAILY MX report only all year
005Selenium, total recoverableMO AVG report only all year
005Selenium, total recoverableDAILY MX report only all year
005Silver total recoverableMO AVG report only all year
005Silver total recoverableDAILY MX report only all year
005Zinc, total recoverableMO AVG <= 500 ug/L all year
005Zinc, total recoverableDAILY MX <= 1000 ug/L all year
005Zinc, total recoverableMO AVG <= 500 ug/L all year
005Zinc, total recoverableDAILY MX <= 1000 ug/L all year
005Cadmium, total recoverableMO AVG <= 6.2 ug/L all year
005Cadmium, total recoverableDAILY MX <= 12 ug/L all year
005Cadmium, total recoverableMO AVG <= 15 ug/L all year
005Cadmium, total recoverableDAILY MX <= 31 ug/L all year
005Lead, total recoverableMO AVG <= 10 ug/L all year
005Lead, total recoverableDAILY MX <= 21 ug/L all year
005Lead, total recoverableMO AVG <= 25 ug/L all year
005Lead, total recoverableDAILY MX <= 50 ug/L all year
005Chromium, total recoverableMO AVG report only all year
005Chromium, total recoverableDAILY MX report only all year
005Copper, total recoverableMO AVG <= 59 ug/L all year
005Copper, total recoverableDAILY MX <= 120 ug/L all year
005Copper, total recoverableMO AVG <= 160 ug/L all year
005Copper, total recoverableDAILY MX <= 320 ug/L all year
005Molybdenum, total recoverableMO AVG report only all year
005Molybdenum, total recoverableDAILY MX report only all year
005Flow, in conduit or thru treatment plantDAILY AV report only all year
005Flow, in conduit or thru treatment plantDAILY MX report only all year
005Toxicity, final conc toxicity unitsMO AVG report only Apr, Jun, Aug, Oct
005Toxicity, final conc toxicity unitsDAILY MX report only Apr, Jun, Aug, Oct
005Mercury, total [as Hg]MO AVG <= .3 ug/L all year
005Mercury, total [as Hg]DAILY MX <= .61 ug/L all year
005Mercury, total [as Hg]MO AVG <= .2 ug/L all year
005Mercury, total [as Hg]DAILY MX <= .36 ug/L all year
005FlowMO AVG report only all year
005FlowDAILY MN report only all year
005Effluent dilution ratioDAILY MN >= 120 % Aug
005Effluent dilution ratioDAILY MN >= 303 % all year
005TU Static Renewal 96Hr Acute Oncorhynchus MykissMO AVG report only Apr
005TU Static Renewal 96Hr Acute Oncorhynchus MykissDAILY MX report only Apr

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