Ammunition Operations, LLC

NPDES permit AR0001163 · Major NON-POTW · effective, expires 2026-10-31 · 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

3values over a limit
0required values missing, on 0 form(s)
1of 52 forms filed late

Last period with anything received: 2026-07-31. Most often over: Oxygen, dissolved [DO] (2), Coliform, fecal general (1).

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 (94)

OutfallParameterStatisticLimitMonths
005StreamflowMO AVG report only all year
005StreamflowDAILY MX report only all year
005Oxygen, dissolved [DO]INST MIN >= 2 mg/L all year
005pHMINIMUM >= 6 SU all year
005pHMAXIMUM <= 9 SU all year
005Solids, total suspendedMO AVG <= 40 mg/L May, Jun, Jul, Aug, Sep, Oct
005Solids, total suspendedMO AVG <= 90 mg/L Jan, Feb, Mar, Apr, Nov, Dec
005Solids, total suspendedDAILY MX <= 60 mg/L May, Jun, Jul, Aug, Sep, Oct
005Solids, total suspendedDAILY MX <= 135 mg/L Jan, Feb, Mar, Apr, Nov, Dec
005Oil & GreaseMO AVG <= 10 mg/L all year
005Oil & GreaseDAILY MX <= 15 mg/L all year
005Nitrogen, ammonia total [as N]MO AVG <= 8 mg/L May, Jun, Jul, Aug, Sep, Oct
005Nitrogen, ammonia total [as N]MO AVG <= 15 mg/L Jan, Feb, Mar, Apr, Nov, Dec
005Nitrogen, ammonia total [as N]DAILY MX <= 12 mg/L May, Jun, Jul, Aug, Sep, Oct
005Nitrogen, ammonia total [as N]DAILY MX <= 22.5 mg/L Jan, Feb, Mar, Apr, Nov, Dec
005Chloride [as Cl]MO AVG report only all year
005Chloride [as Cl]DAILY MX report only all year
005Sulfate, total [as SO4]MO AVG report only all year
005Sulfate, total [as SO4]DAILY MX report only all year
005Lead, total recoverableMO AVG report only all year
005Lead, total recoverableDAILY MX report only all year
005Copper, total recoverableMO AVG report only all year
005Copper, total recoverableDAILY MX report only all year
005Discharge flow as % of stream flowDAILY MX <= 2.27 % all year
005Flow, in conduit or thru treatment plantMO AVG report only all year
005Flow, in conduit or thru treatment plantDAILY MX report only all year
005Solids, total dissolvedMO AVG report only all year
005Solids, total dissolvedDAILY MX report only all year
005Coliform, fecal generalMO GEO report only May, Jun, Jul, Aug, Sep
005Coliform, fecal generalDAILY MX report only May, Jun, Jul, Aug, Sep
005BOD, carbonaceous [5 day, 20 C]MO AVG <= 30 mg/L May, Jun, Jul, Aug, Sep, Oct
005BOD, carbonaceous [5 day, 20 C]MO AVG <= 90 mg/L Jan, Feb, Mar, Apr, Nov, Dec
005BOD, carbonaceous [5 day, 20 C]DAILY MX <= 45 mg/L May, Jun, Jul, Aug, Sep, Oct
005BOD, carbonaceous [5 day, 20 C]DAILY MX <= 135 mg/L Jan, Feb, Mar, Apr, Nov, Dec
04ApHMINIMUM >= 7.5 SU all year
04ApHMAXIMUM <= 10 SU all year
04BColiform, fecal general30DA GEO <= 1000 #/100mL Jan, Feb, Mar, Apr, Oct, Nov, Dec
04BColiform, fecal general30DA GEO <= 200 #/100mL May, Jun, Jul, Aug, Sep
04BColiform, fecal general7 DA GEO <= 2000 #/100mL Jan, Feb, Mar, Apr, Oct, Nov, Dec
04BColiform, fecal general7 DA GEO <= 400 #/100mL May, Jun, Jul, Aug, Sep
04CSolids, total suspendedMO AVG report only Jan, Feb, Mar, Apr, Nov, Dec
04CSolids, total suspendedMO AVG report only May, Jun, Jul, Aug, Sep, Oct
04CSolids, total suspendedDAILY MX report only Jan, Feb, Mar, Apr, Nov, Dec
04CSolids, total suspendedDAILY MX report only May, Jun, Jul, Aug, Sep, Oct
04CSolids, total suspendedMO AVG <= 101.7 lb/d Jan, Feb, Mar, Apr, Nov, Dec
04CSolids, total suspendedMO AVG <= 91.6 lb/d May, Jun, Jul, Aug, Sep, Oct
04CSolids, total suspendedDAILY MX <= 176.98 lb/d Jan, Feb, Mar, Apr, Nov, Dec
04CSolids, total suspendedDAILY MX <= 161.9 lb/d May, Jun, Jul, Aug, Sep, Oct
04COil & GreaseMO AVG report only all year
04COil & GreaseDAILY MX report only all year
04COil & GreaseMO AVG <= 44.3 lb/d all year
04COil & GreaseDAILY MX <= 70.5 lb/d all year
04CNickel, total recoverableMO AVG report only all year
04CNickel, total recoverableDAILY MX report only all year
04CNickel, total recoverableMO AVG <= 4.193 lb/d all year
04CNickel, total recoverableDAILY MX <= 6.339 lb/d all year
04CZinc, total recoverableMO AVG report only all year
04CZinc, total recoverableDAILY MX report only all year
04CZinc, total recoverableMO AVG <= 2.013 lb/d all year
04CZinc, total recoverableDAILY MX <= 4.821 lb/d all year
04CLead, total recoverableMO AVG report only all year
04CLead, total recoverableDAILY MX report only all year
04CLead, total recoverableMO AVG <= 9.79 lb/d all year
04CLead, total recoverableDAILY MX <= 9.84 lb/d all year
04CChromium, total recoverableMO AVG report only all year
04CChromium, total recoverableDAILY MX report only all year
04CChromium, total recoverableMO AVG <= .593 lb/d all year
04CChromium, total recoverableDAILY MX <= 1.452 lb/d all year
04CCopper, total recoverableMO AVG report only all year
04CCopper, total recoverableDAILY MX report only all year
04CCopper, total recoverableMO AVG <= 3.302 lb/d all year
04CCopper, total recoverableDAILY MX <= 6.274 lb/d all year
04CAntimony, total recoverableMO AVG report only all year
04CAntimony, total recoverableDAILY MX report only all year
04CAntimony, total recoverableMO AVG <= .782 lb/d all year
04CAntimony, total recoverableDAILY MX <= 1.021 lb/d all year
04CFlow, in conduit or thru treatment plantMO AVG report only all year
04CFlow, in conduit or thru treatment plantDAILY MX report only all year
TX5Whole effluent toxicity - retest #17 DA MIN report only all year
TX5Whole effluent toxicity - retest #27 DA MIN report only all year
TX5WET, sublethal retest #17 DA MIN report only all year
TX5WET, sublethal retest #27 DA MIN report only all year
TX5Whole Effluent Toxicity - Retest #37 DA MIN report only all year
TX5Whole Effluent Toxicity, Sub-Lethal Retest #37 DA MIN report only all year
TX5Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia7 DA MIN report only all year
TX5Pass/Fail Static Renewal 7Day Chronic Pimephales promelas7 DA MIN report only all year
TX5Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia7 DA MIN report only all year
TX5Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas7 DA MIN report only all year
TX5NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia7 DA MIN report only all year
TX5NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas7 DA MIN report only all year
TX5NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia7 DA MIN report only all year
TX5NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas7 DA MIN report only Jan, Feb, Mar, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec
TX5Coef Of Var Static Renewal 7Day Chronic Ceriodaphnia dubia7 DA MIN report only all year
TX5Coef Of Var Static Renewal 7Day Chronic Pimephales promelas7 DA MIN report only all year

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