Gunbarrel Holdings, Inc.

NPDES permit MO0129232 · Minor NON-POTW · effective, expires 2029-07-31 · 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.

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

0values over a limit
10required values missing, on 1 form(s)
1of 4 forms filed late

Last period with anything received: 2026-03-31.

Reporting

Reports are due about 28 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (16)

OutfallParameterStatisticLimitMonths
001BOD, 5-day, 20 deg. CWKLY AVG <= 45 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L all year
001pHMINIMUM >= 6.5 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedWKLY AVG <= 45 mg/L all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Nitrogen, ammonia total [as N]DAILY MX <= 8.4 mg/L Jul, Aug, Sep
001Nitrogen, ammonia total [as N]DAILY MX <= 8.4 mg/L Oct, Nov, Dec
001Nitrogen, ammonia total [as N]DAILY MX <= 10.1 mg/L Apr, May, Jun
001Nitrogen, ammonia total [as N]DAILY MX <= 12.1 mg/L Jan, Feb, Mar
001Nitrogen, ammonia total [as N]MO AVG <= 1 mg/L Jul, Aug, Sep
001Nitrogen, ammonia total [as N]MO AVG <= 2.2 mg/L Oct, Nov, Dec
001Nitrogen, ammonia total [as N]MO AVG <= 1.5 mg/L Apr, May, Jun
001Nitrogen, ammonia total [as N]MO AVG <= 3.1 mg/L Jan, Feb, Mar
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Flow, in conduit or thru treatment plantMO AVG 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