USA-McAlester Army Ammunition

NPDES permit OK0000523 · Major FEDERAL · administratively continued, expires 2026-07-31 · 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.

This permit expired on 2026-07-31 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

6values over a limit
0required values missing, on 0 form(s)
0of 48 forms filed late

Last period with anything received: 2026-07-31. Most often over: Solids, total suspended (4), E. coli (1), Whole Effluent Toxicity [WET] - C. dubia (1).

Reporting

Reports are due about 15 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (92)

OutfallParameterStatisticLimitMonths
01SOxygen, dissolved [DO]DAILY MN >= 5 mg/L Jun, Jul, Aug, Sep, Oct
01SOxygen, dissolved [DO]DAILY MN >= 6 mg/L Jan, Feb, Mar, Apr, May, Nov, Dec
01SpHMINIMUM >= 6.5 SU all year
01SpHMAXIMUM <= 9 SU all year
01SSolids, total suspendedMO AVG <= 30 mg/L all year
01SSolids, total suspendedDAILY MX <= 45 mg/L all year
01SSolids, total suspendedMO AVG <= 140.11 lb/d all year
01SSolids, total suspendedDAILY MX <= 210.17 lb/d all year
01SOil & GreaseMO AVG <= 10 mg/L all year
01SOil & GreaseDAILY MX <= 15 mg/L all year
01SOil & GreaseMO AVG <= 46.7 lb/d all year
01SOil & GreaseDAILY MX <= 70.06 lb/d all year
01SNitrogen, ammonia total [as N]MO AVG <= 3 mg/L Jan, Feb, Mar, Apr, May, Nov, Dec
01SNitrogen, ammonia total [as N]MO AVG <= 2 mg/L Jun, Jul, Aug, Sep, Oct
01SNitrogen, ammonia total [as N]DAILY MX <= 4.5 mg/L Jan, Feb, Mar, Apr, May, Nov, Dec
01SNitrogen, ammonia total [as N]DAILY MX <= 3 mg/L Jun, Jul, Aug, Sep, Oct
01SNitrogen, ammonia total [as N]MO AVG <= 14.01 lb/d Jan, Feb, Mar, Apr, May, Nov, Dec
01SNitrogen, ammonia total [as N]MO AVG <= 9.34 lb/d Jun, Jul, Aug, Sep, Oct
01SNitrogen, ammonia total [as N]DAILY MX <= 21.02 lb/d Jan, Feb, Mar, Apr, May, Nov, Dec
01SNitrogen, ammonia total [as N]DAILY MX <= 14.01 lb/d Jun, Jul, Aug, Sep, Oct
01SFlow, in conduit or thru treatment plantMO AVG report only all year
01SFlow, in conduit or thru treatment plantDAILY MX report only all year
01SChlorine, total residualINST MAX <= .099 mg/L all year
01SE. coliGEO MEAN <= 126 CFU/100mL May, Jun, Jul, Aug, Sep
01SE. coliDAILY MX <= 406 CFU/100mL May, Jun, Jul, Aug, Sep
01SPerchlorate [ClO4]MO AVG report only all year
01SPerchlorate [ClO4]DAILY MX report only all year
01SPerchlorate [ClO4]MO AVG report only all year
01SPerchlorate [ClO4]DAILY MX report only all year
01SBOD, carbonaceous [5 day, 20 C]MO AVG <= 10 mg/L all year
01SBOD, carbonaceous [5 day, 20 C]DAILY MX <= 15 mg/L all year
01SBOD, carbonaceous [5 day, 20 C]MO AVG <= 46.7 lb/d all year
01SBOD, carbonaceous [5 day, 20 C]DAILY MX <= 70.06 lb/d all year
02ApHMINIMUM report only all year
02ApHMAXIMUM report only all year
02AFlow, in conduit or thru treatment plantMO AVG report only all year
02AFlow, in conduit or thru treatment plantDAILY MX report only all year
02ATrinitrotoluene [TNT], totalMO AVG report only all year
02ATrinitrotoluene [TNT], totalDAILY MX report only all year
02ATrinitrotoluene [TNT], totalMO AVG report only all year
02ATrinitrotoluene [TNT], totalDAILY MX report only all year
02ARDX, totalMO AVG report only all year
02ARDX, totalDAILY MX report only all year
02ARDX, totalMO AVG report only all year
02ARDX, totalDAILY MX report only all year
02AHMXMO AVG report only all year
02AHMXDAILY MX report only all year
02AHMXMO AVG report only all year
02AHMXDAILY MX report only all year
02BFlow, in conduit or thru treatment plantMO AVG report only all year
02BFlow, in conduit or thru treatment plantDAILY MX report only all year
02BPerchlorate [ClO4]MO AVG report only all year
02BPerchlorate [ClO4]DAILY MX report only all year
02BPerchlorate [ClO4]MO AVG report only all year
02BPerchlorate [ClO4]DAILY MX report only all year
02BTrinitrotoluene [TNT], totalMO AVG report only all year
02BTrinitrotoluene [TNT], totalDAILY MX report only all year
02BTrinitrotoluene [TNT], totalMO AVG report only all year
02BTrinitrotoluene [TNT], totalDAILY MX report only all year
02BRDX, totalMO AVG report only all year
02BRDX, totalDAILY MX report only all year
02BRDX, totalMO AVG report only all year
02BRDX, totalDAILY MX report only all year
02BHMXMO AVG report only all year
02BHMXDAILY MX report only all year
02BHMXMO AVG report only all year
02BHMXDAILY MX report only all year
02CFlow, in conduit or thru treatment plantMO AVG report only all year
02CFlow, in conduit or thru treatment plantDAILY MX report only all year
02C2,4-DinitroanisoleMO AVG report only all year
02C2,4-DinitroanisoleDAILY MX report only all year
02CNitroguanidineMO AVG report only all year
02CNitroguanidineDAILY MX report only all year
TX1pHDAILY MN report only all year
TX1pHDAILY MX report only all year
TX1Nitrogen, ammonia total [as N]DAILY MN report only all year
TX1Nitrogen, ammonia total [as N]MO AVG report only all year
TX1Nitrogen, ammonia total [as N]DAILY MX report only all year
TX1Whole Effluent Toxicity [WET] - C. dubia7 DA MIN >= 100 % all year
TX1Whole Effluent Toxicity [WET] - P. promelas7 DA MIN >= 100 % all year
TX1Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia7 DA MIN report only all year
TX1Pass/Fail Static Renewal 7Day Chronic Pimephales promelas7 DA MIN report only all year
TX1%Mortality 7Day Chronic Ceriodaphnia dubia7 DA MIN report only all year
TX1%Mortality Static Renewal 7Day Chronic Pimephales Promelas7 DA MIN report only all year
TX1Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia7 DA MIN report only all year
TX1Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas7 DA MIN report only all year
TX1NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia7 DA MIN report only all year
TX1NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas7 DA MIN report only all year
TX1NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia7 DA MIN report only all year
TX1NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas7 DA MIN report only all year
TX1Coef Of Var Static Renewal 7Day Chronic Ceriodaphnia dubia7 DA MIN report only all year
TX1Coef Of Var Static Renewal 7Day Chronic Pimephales promelas7 DA MIN report only all year

Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states