OK Ordnance Works Auth/ TSC

NPDES permit OK0034568 · Major POTW · effective, expires 2029-08-31 · 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 45 forms filed late

Last period with anything received: 2026-08-31.

Reporting

Reports are due about 15 days after each monitoring period ends (the most common figure among OK permits in EPA's filings — check your permit).

Limits in force (159)

OutfallParameterStatisticLimitMonths
004Oxygen, dissolved [DO]MO MIN report only all year
004BOD, 5-day, 20 deg. CMO AVG report only Jan, Feb, Mar, Apr, May, Nov, Dec
004BOD, 5-day, 20 deg. CDAILY MX report only Jan, Feb, Mar, Apr, May, Nov, Dec
004BOD, 5-day, 20 deg. CMO AVG <= 3795 lb/d Jan, Feb, Mar, Apr, May, Nov, Dec
004BOD, 5-day, 20 deg. CDAILY MX <= 4541 lb/d Jan, Feb, Mar, Apr, May, Nov, Dec
004pHDAILY MN report only all year
004pHDAILY MX report only all year
004Solids, total suspendedMO AVG report only all year
004Solids, total suspendedDAILY MX report only all year
004Solids, total suspendedMO AVG <= 5642 lb/d all year
004Solids, total suspendedDAILY MX <= 6773 lb/d all year
004Nitrogen, ammonia total [as N]MO AVG report only all year
004Nitrogen, ammonia total [as N]DAILY MX report only all year
004Nitrogen, ammonia total [as N]MO AVG report only all year
004Nitrogen, ammonia total [as N]DAILY MX report only all year
004Nitrogen, nitrate total [as N]MO AVG report only all year
004Nitrogen, nitrate total [as N]DAILY MX report only all year
004Nitrogen, nitrate total [as N]MO AVG report only all year
004Nitrogen, nitrate total [as N]DAILY MX report only all year
004Phosphorus, total [as P]MO AVG report only all year
004Phosphorus, total [as P]DAILY MX report only all year
004Phosphorus, total [as P]MO AVG report only all year
004Phosphorus, total [as P]DAILY 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
004Solids, total dissolved- 180 deg. CMO AVG report only all year
004Solids, total dissolved- 180 deg. CDAILY MX report only all year
004Solids, total dissolved- 180 deg. CMO AVG report only all year
004Solids, total dissolved- 180 deg. CDAILY MX report only all year
004BOD, carbonaceous [5 day, 20 C]MO AVG report only Jun, Jul, Aug, Sep, Oct
004BOD, carbonaceous [5 day, 20 C]MO AVG report only Jan, Feb, Mar, Apr, May, Nov, Dec
004BOD, carbonaceous [5 day, 20 C]DAILY MX report only Jun, Jul, Aug, Sep, Oct
004BOD, carbonaceous [5 day, 20 C]DAILY MX report only Jan, Feb, Mar, Apr, May, Nov, Dec
004BOD, carbonaceous [5 day, 20 C]MO AVG <= 1670 lb/d Jun, Jul, Aug, Sep, Oct
004BOD, carbonaceous [5 day, 20 C]MO AVG report only Jan, Feb, Mar, Apr, May, Nov, Dec
004BOD, carbonaceous [5 day, 20 C]DAILY MX <= 2505 lb/d Jun, Jul, Aug, Sep, Oct
004BOD, carbonaceous [5 day, 20 C]DAILY MX report only Jan, Feb, Mar, Apr, May, Nov, Dec
007Oxygen, dissolved [DO]MO MIN report only all year
007BOD, 5-day, 20 deg. CMO AVG report only Jan, Feb, Mar, Apr, May, Nov, Dec
007BOD, 5-day, 20 deg. CDAILY MX report only Jan, Feb, Mar, Apr, May, Nov, Dec
007BOD, 5-day, 20 deg. CMO AVG <= 1584 lb/d Jan, Feb, Mar, Apr, May, Nov, Dec
007BOD, 5-day, 20 deg. CDAILY MX <= 3118 lb/d Jan, Feb, Mar, Apr, May, Nov, Dec
007pHDAILY MN report only all year
007pHDAILY MX report only all year
007Solids, total suspendedMO AVG report only all year
007Solids, total suspendedDAILY MX report only all year
007Solids, total suspendedMO AVG <= 2138 lb/d all year
007Solids, total suspendedDAILY MX <= 4124 lb/d all year
007Nitrogen, ammonia total [as N]MO AVG report only all year
007Nitrogen, ammonia total [as N]DAILY MX report only all year
007Nitrogen, ammonia total [as N]MO AVG report only all year
007Nitrogen, ammonia total [as N]DAILY MX report only all year
007Nitrogen, nitrate total [as N]MO AVG report only all year
007Nitrogen, nitrate total [as N]DAILY MX report only all year
007Nitrogen, nitrate total [as N]MO AVG report only all year
007Nitrogen, nitrate total [as N]DAILY MX report only all year
007Phosphorus, total [as P]MO AVG report only all year
007Phosphorus, total [as P]DAILY MX report only all year
007Phosphorus, total [as P]MO AVG report only all year
007Phosphorus, total [as P]DAILY MX report only all year
007Flow, in conduit or thru treatment plantMO AVG report only all year
007Flow, in conduit or thru treatment plantDAILY MX report only all year
007E. coliGEO MEAN <= 126 CFU/100mL May, Jun, Jul, Aug, Sep
007E. coliDAILY MX <= 406 CFU/100mL May, Jun, Jul, Aug, Sep
007Solids, total dissolved- 180 deg. CMO AVG report only all year
007Solids, total dissolved- 180 deg. CDAILY MX report only all year
007Solids, total dissolved- 180 deg. CMO AVG report only all year
007Solids, total dissolved- 180 deg. CDAILY MX report only all year
007BOD, carbonaceous [5 day, 20 C]MO AVG report only Jun, Jul, Aug, Sep, Oct
007BOD, carbonaceous [5 day, 20 C]MO AVG report only Jan, Feb, Mar, Apr, May, Nov, Dec
007BOD, carbonaceous [5 day, 20 C]DAILY MX report only Jun, Jul, Aug, Sep, Oct
007BOD, carbonaceous [5 day, 20 C]DAILY MX report only Jan, Feb, Mar, Apr, May, Nov, Dec
007BOD, carbonaceous [5 day, 20 C]MO AVG <= 697 lb/d Jun, Jul, Aug, Sep, Oct
007BOD, carbonaceous [5 day, 20 C]MO AVG report only Jan, Feb, Mar, Apr, May, Nov, Dec
007BOD, carbonaceous [5 day, 20 C]DAILY MX <= 1046 lb/d Jun, Jul, Aug, Sep, Oct
007BOD, carbonaceous [5 day, 20 C]DAILY MX report only Jan, Feb, Mar, Apr, May, Nov, Dec
008Oxygen, dissolved [DO]MO MIN report only all year
008BOD, 5-day, 20 deg. CMO AVG report only Jan, Feb, Mar, Apr, May, Nov, Dec
008BOD, 5-day, 20 deg. CDAILY MX report only Jan, Feb, Mar, Apr, May, Nov, Dec
008BOD, 5-day, 20 deg. CMO AVG report only Jan, Feb, Mar, Apr, May, Nov, Dec
008BOD, 5-day, 20 deg. CDAILY MX report only Jan, Feb, Mar, Apr, May, Nov, Dec
008pHMINIMUM >= 6.5 SU all year
008pHMAXIMUM <= 9 SU all year
008Solids, total suspendedMO AVG report only all year
008Solids, total suspendedDAILY MX report only all year
008Solids, total suspendedMO AVG report only all year
008Solids, total suspendedDAILY MX report only all year
008Nitrogen, ammonia total [as N]MO AVG report only all year
008Nitrogen, ammonia total [as N]DAILY MX report only all year
008Nitrogen, ammonia total [as N]MO AVG report only all year
008Nitrogen, ammonia total [as N]DAILY MX report only all year
008Nitrogen, nitrate total [as N]MO AVG report only all year
008Nitrogen, nitrate total [as N]DAILY MX report only all year
008Nitrogen, nitrate total [as N]MO AVG report only all year
008Nitrogen, nitrate total [as N]DAILY MX report only all year
008Phosphorus, total [as P]MO AVG report only all year
008Phosphorus, total [as P]DAILY MX report only all year
008Phosphorus, total [as P]MO AVG report only all year
008Phosphorus, total [as P]DAILY MX report only all year
008Flow, in conduit or thru treatment plantMO AVG report only all year
008Flow, in conduit or thru treatment plantDAILY MX report only all year
008E. coliGEO MEAN report only May, Jun, Jul, Aug, Sep
008E. coliDAILY MX report only May, Jun, Jul, Aug, Sep
008Solids, total dissolved- 180 deg. CMO AVG report only all year
008Solids, total dissolved- 180 deg. CDAILY MX report only all year
008Solids, total dissolved- 180 deg. CMO AVG report only all year
008Solids, total dissolved- 180 deg. CDAILY MX report only all year
008BOD, carbonaceous [5 day, 20 C]MO AVG report only Jun, Jul, Aug, Sep, Oct
008BOD, carbonaceous [5 day, 20 C]MO AVG report only Jan, Feb, Mar, Apr, May, Nov, Dec
008BOD, carbonaceous [5 day, 20 C]DAILY MX report only Jun, Jul, Aug, Sep, Oct
008BOD, carbonaceous [5 day, 20 C]DAILY MX report only Jan, Feb, Mar, Apr, May, Nov, Dec
008BOD, carbonaceous [5 day, 20 C]MO AVG report only Jun, Jul, Aug, Sep, Oct
008BOD, carbonaceous [5 day, 20 C]MO AVG report only Jan, Feb, Mar, Apr, May, Nov, Dec
008BOD, carbonaceous [5 day, 20 C]DAILY MX report only Jun, Jul, Aug, Sep, Oct
008BOD, carbonaceous [5 day, 20 C]DAILY MX report only Jan, Feb, Mar, Apr, May, Nov, Dec
TX4pHDAILY MN report only all year
TX4pHDAILY MX report only all year
TX4Nitrogen, ammonia total [as N]DAILY MN report only all year
TX4Nitrogen, ammonia total [as N]MO AVG report only all year
TX4Nitrogen, ammonia total [as N]DAILY MX report only all year
TX4Solids, total dissolved- 180 deg. CDAILY MN report only all year
TX4Solids, total dissolved- 180 deg. CMO AVG report only all year
TX4Solids, total dissolved- 180 deg. CDAILY MX report only all year
TX4LC50 Static Renewal 48Hr Acute Daphnia pulex48HR MIN report only all year
TX4LC50 Static Renewal 48Hr Acute Pimephales promelas48HR MIN report only all year
TX4LC50 Pass/Fail Static Renewal 48Hr Acute Daphnia Pulex48HR MIN report only all year
TX4LC50 Static Renewal 48Hr Acute Pimephales promelas48HR MIN report only all year
TX4%Mortality Static Renewal 48Hr Acute Daphnia Pulex48HR MIN report only all year
TX4% Mortality Static Renewal 48 Hr Pimephales promelas or use TJA6C48HR MIN report only all year
TX7pHDAILY MN report only all year
TX7pHDAILY MX report only all year
TX7Nitrogen, ammonia total [as N]DAILY MN report only all year
TX7Nitrogen, ammonia total [as N]MO AVG report only all year
TX7Nitrogen, ammonia total [as N]DAILY MX report only all year
TX7Solids, total dissolved- 180 deg. CDAILY MN report only all year
TX7Solids, total dissolved- 180 deg. CMO AVG report only all year
TX7Solids, total dissolved- 180 deg. CDAILY MX report only all year
TX7LC50 Static Renewal 48Hr Acute Daphnia pulex48HR MIN report only all year
TX7LC50 Static Renewal 48Hr Acute Pimephales promelas48HR MIN report only all year
TX7LC50 Pass/Fail Static Renewal 48Hr Acute Daphnia Pulex48HR MIN report only all year
TX7LC50 Static Renewal 48Hr Acute Pimephales promelas48HR MIN report only all year
TX7%Mortality Static Renewal 48Hr Acute Daphnia Pulex48HR MIN report only all year
TX7% Mortality Static Renewal 48 Hr Pimephales promelas or use TJA6C48HR MIN report only all year
TX8pHDAILY MN report only all year
TX8pHDAILY MX report only all year
TX8Nitrogen, ammonia total [as N]DAILY MN report only all year
TX8Nitrogen, ammonia total [as N]MO AVG report only all year
TX8Nitrogen, ammonia total [as N]DAILY MX report only all year
TX8Whole Effluent Toxicity [WET] - D. pulex48HR MIN >= 100 % all year
TX8Whole Effluent Toxicity [WET] - P. promelas48HR MIN >= 100 % all year
TX8Solids, total dissolved- 180 deg. CDAILY MN report only all year
TX8Solids, total dissolved- 180 deg. CMO AVG report only all year
TX8Solids, total dissolved- 180 deg. CDAILY MX report only all year
TX8LC50 Static Renewal 48Hr Acute Daphnia pulex48HR MIN report only all year
TX8LC50 Static Renewal 48Hr Acute Pimephales promelas48HR MIN report only all year
TX8LC50 Pass/Fail Static Renewal 48Hr Acute Daphnia Pulex48HR MIN report only all year
TX8LC50 Static Renewal 48Hr Acute Pimephales promelas48HR MIN report only all year
TX8%Mortality Static Renewal 48Hr Acute Daphnia Pulex48HR MIN report only all year
TX8% Mortality Static Renewal 48 Hr Pimephales promelas or use TJA6C48HR 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