U.S. Vanadium, LLC

NPDES permit AR0000523 · Major NON-POTW · effective, expires 2027-08-31 · 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.

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

0values over a limit
0required values missing, on 0 form(s)
0of 60 forms filed late

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

Reporting

Reports are due about 25 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (137)

OutfallParameterStatisticLimitMonths
001StreamflowMO AVG report only all year
001StreamflowDAILY MX report only all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedDAILY MX <= 45 mg/L all year
001Solids, total suspendedMO AVG report only all year
001Solids, total suspendedDAILY MX report only all year
001Nitrogen, ammonia total [as N]MO AVG <= 100 mg/L all year
001Nitrogen, ammonia total [as N]DAILY MX <= 200 mg/L all year
001Nitrogen, ammonia total [as N]MO AVG report only all year
001Nitrogen, ammonia total [as N]DAILY MX report only all year
001Vanadium, total [as V]MO AVG report only all year
001Vanadium, total [as V]DAILY MX report only all year
001Vanadium, total [as V]MO AVG report only all year
001Vanadium, total [as V]DAILY MX report only all year
001Discharge flow as % of stream flowDAILY MX <= .5 % all year
001RainfallMO AVG report only all year
001RainfallDAILY MX report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX <= 2.6 MGD all year
002pHMINIMUM >= 6 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
002Sulfate, total [as SO4]MO AVG <= 112 mg/L all year
002Sulfate, total [as SO4]DAILY MX <= 168 mg/L all year
002Selenium, total recoverableMO AVG <= 5.6 ug/L all year
002Selenium, total recoverableDAILY MX <= 11.2 ug/L all year
002Nickel, total recoverableMO AVG <= 108.1 ug/L all year
002Nickel, total recoverableDAILY MX <= 216.9 ug/L all year
002Cadmium, total recoverableMO AVG <= 2.3 ug/L all year
002Cadmium, total recoverableDAILY MX <= 4.5 ug/L all year
002Lead, total recoverableMO AVG <= 3.2 ug/L all year
002Lead, total recoverableDAILY MX <= 6.5 ug/L all year
002Copper, total recoverableMO AVG <= 10.5 ug/L all year
002Copper, total recoverableDAILY MX <= 21 ug/L all year
002Flow, in conduit or thru treatment plantMO AVG report only all year
002Flow, in conduit or thru treatment plantDAILY MX report only all year
002Mercury, total recoverableMO AVG <= .013 ug/L all year
002Mercury, total recoverableDAILY MX <= .027 ug/L all year
003pHMINIMUM >= 6 SU all year
003pHMAXIMUM <= 9 SU all year
003Solids, total suspendedMO AVG <= 20 mg/L all year
003Solids, total suspendedDAILY MX <= 30 mg/L all year
003Sulfate, total [as SO4]MO AVG <= 68 mg/L all year
003Sulfate, total [as SO4]DAILY MX <= 102 mg/L all year
003Nickel, total recoverableMO AVG <= 108.1 ug/L all year
003Nickel, total recoverableDAILY MX <= 217 ug/L all year
003Lead, total recoverableMO AVG <= 3.2 ug/L all year
003Lead, total recoverableDAILY MX <= 6.5 ug/L all year
003Copper, total recoverableMO AVG <= 10.5 ug/L all year
003Copper, total recoverableDAILY MX <= 21 ug/L 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
008pHMINIMUM >= 6 SU all year
008pHMAXIMUM <= 9 SU all year
008Solids, total suspendedMO AVG <= 20 mg/L all year
008Solids, total suspendedDAILY MX <= 30 mg/L all year
008Sulfate, total [as SO4]MO AVG <= 182 mg/L all year
008Sulfate, total [as SO4]DAILY MX <= 250 mg/L all year
008Beryllium, total recoverable [as Be]MO AVG <= 4.5 ug/L Jun, Jul, Aug, Sep, Oct, Nov
008Beryllium, total recoverable [as Be]MO AVG <= 5.3 ug/L Jan, Feb, Mar, Apr, May, Dec
008Beryllium, total recoverable [as Be]DAILY MX <= 9 ug/L Jun, Jul, Aug, Sep, Oct, Nov
008Beryllium, total recoverable [as Be]DAILY MX <= 10.6 ug/L Jan, Feb, Mar, Apr, May, Dec
008Nickel, total recoverableMO AVG <= 108.1 ug/L Jun, Jul, Aug, Sep, Oct, Nov
008Nickel, total recoverableMO AVG <= 127.6 ug/L Jan, Feb, Mar, Apr, May, Dec
008Nickel, total recoverableDAILY MX <= 217 ug/L Jun, Jul, Aug, Sep, Oct, Nov
008Nickel, total recoverableDAILY MX <= 256.1 ug/L Jan, Feb, Mar, Apr, May, Dec
008Zinc, total recoverableMO AVG <= 95.2 ug/L Jun, Jul, Aug, Sep, Oct, Nov
008Zinc, total recoverableMO AVG <= 103.6 ug/L Jan, Feb, Mar, Apr, May, Dec
008Zinc, total recoverableDAILY MX <= 191 ug/L Jun, Jul, Aug, Sep, Oct, Nov
008Zinc, total recoverableDAILY MX <= 207.9 ug/L Jan, Feb, Mar, Apr, May, Dec
008Cadmium, total recoverableMO AVG <= 2.3 ug/L Jun, Jul, Aug, Sep, Oct, Nov
008Cadmium, total recoverableMO AVG <= 2.7 ug/L Jan, Feb, Mar, Apr, May, Dec
008Cadmium, total recoverableDAILY MX <= 4.5 ug/L Jun, Jul, Aug, Sep, Oct, Nov
008Cadmium, total recoverableDAILY MX <= 5.3 ug/L Jan, Feb, Mar, Apr, May, Dec
008Copper, total recoverableMO AVG <= 10.5 ug/L Jun, Jul, Aug, Sep, Oct, Nov
008Copper, total recoverableMO AVG <= 12.2 ug/L Jan, Feb, Mar, Apr, May, Dec
008Copper, total recoverableDAILY MX <= 21 ug/L Jun, Jul, Aug, Sep, Oct, Nov
008Copper, total recoverableDAILY MX <= 24.5 ug/L Jan, Feb, Mar, Apr, May, Dec
008Flow, in conduit or thru treatment plantMO AVG report only all year
008Flow, in conduit or thru treatment plantDAILY MX report only all year
TX1Whole effluent toxicity - retest #148HR MIN report only all year
TX1Whole effluent toxicity - retest #248HR MIN report only all year
TX1WET, sublethal retest #148HR MIN report only all year
TX1WET, sublethal retest #248HR MIN report only all year
TX1Whole Effluent Toxicity - Retest #348HR MIN report only all year
TX1Whole Effluent Toxicity, Sub-Lethal Retest #348HR MIN report only all year
TX1Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex48HR MIN report only all year
TX1LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas48HR MIN report only all year
TX1NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex48HR MIN report only all year
TX1NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas48HR MIN report only all year
TX1Coef Of Var Static Renewal 48Hr Acute D. pulex48HR MIN report only all year
TX1Coef Of Var Static Renewal 48Hr Acute Pimephales promelas48HR MIN report only all year
TX2Whole Effluent Toxicity [WET] - C. dubia7 DA MIN >= 100 % all year
TX2Whole Effluent Toxicity [WET] - C. dubia7 DA MIN >= 80 % all year
TX2Whole Effluent Toxicity [WET] - P. promelas7 DA MIN >= 100 % all year
TX2Whole Effluent Toxicity [WET] - P. promelas7 DA MIN >= 80 % all year
TX2Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia7 DA MIN report only all year
TX2Pass/Fail Static Renewal 7Day Chronic Pimephales promelas7 DA MIN report only all year
TX2Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia7 DA MIN report only all year
TX2Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas7 DA MIN report only all year
TX2NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia7 DA MIN report only all year
TX2NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas7 DA MIN report only all year
TX2NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia7 DA MIN report only all year
TX2NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas7 DA MIN report only all year
TX2Coef Of Var Static Renewal 7Day Chronic Ceriodaphnia dubia7 DA MIN report only all year
TX2Coef Of Var Static Renewal 7Day Chronic Pimephales promelas7 DA MIN report only all year
TX3Whole Effluent Toxicity [WET] - C. dubia7 DA MIN >= 100 % all year
TX3Whole Effluent Toxicity [WET] - C. dubia7 DA MIN >= 80 % all year
TX3Whole Effluent Toxicity [WET] - P. promelas7 DA MIN >= 100 % all year
TX3Whole Effluent Toxicity [WET] - P. promelas7 DA MIN >= 80 % all year
TX3Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia7 DA MIN report only all year
TX3Pass/Fail Static Renewal 7Day Chronic Pimephales promelas7 DA MIN report only all year
TX3Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia7 DA MIN report only all year
TX3Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas7 DA MIN report only all year
TX3NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia7 DA MIN report only all year
TX3NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas7 DA MIN report only all year
TX3NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia7 DA MIN report only all year
TX3NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas7 DA MIN report only all year
TX3Coef Of Var Static Renewal 7Day Chronic Ceriodaphnia dubia7 DA MIN report only all year
TX3Coef Of Var Static Renewal 7Day Chronic Pimephales promelas7 DA MIN report only all year
TX8Whole Effluent Toxicity [WET] - C. dubia7 DA MIN >= 100 % all year
TX8Whole Effluent Toxicity [WET] - C. dubia7 DA MIN >= 80 % all year
TX8Whole Effluent Toxicity [WET] - P. promelas7 DA MIN >= 100 % all year
TX8Whole Effluent Toxicity [WET] - P. promelas7 DA MIN >= 80 % all year
TX8Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia7 DA MIN report only all year
TX8Pass/Fail Static Renewal 7Day Chronic Pimephales promelas7 DA MIN report only all year
TX8Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia7 DA MIN report only all year
TX8Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas7 DA MIN report only all year
TX8NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia7 DA MIN report only all year
TX8NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas7 DA MIN report only all year
TX8NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia7 DA MIN report only all year
TX8NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas7 DA MIN report only all year
TX8Coef Of Var Static Renewal 7Day Chronic Ceriodaphnia dubia7 DA MIN report only all year
TX8Coef Of Var Static Renewal 7Day Chronic Pimephales promelas7 DA MIN report only all year

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