Dyno Nobel Inc. c/o LOMO Plant

NPDES permit MO0105783 · Major NON-POTW · effective, expires 2028-12-31 · 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 48 forms filed late

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

Reporting

Reports are due about 28 days after each monitoring period ends (the most common figure among MO permits in EPA's filings — check your permit).

Limits in force (96)

OutfallParameterStatisticLimitMonths
003pHMINIMUM >= 6.5 SU all year
003pHMAXIMUM <= 9 SU all year
003Solids, total suspendedDAILY MX <= 100 mg/L all year
003Solids, total suspendedMO AVG <= 50 mg/L all year
003Nitrogen, total [as N]DAILY MX report only all year
003Nitrogen, total [as N]MO AVG report only all year
003Nitrogen, ammonia total [as N]DAILY MX report only all year
003Nitrogen, ammonia total [as N]MO AVG report only all year
003Nitrite + Nitrate total [as N]DAILY MX report only all year
003Nitrite + Nitrate total [as N]MO AVG report only all year
003Sulfate, total [as SO4]DAILY MX report only all year
003Sulfate, total [as SO4]MO AVG report only all year
003Iron, total recoverableDAILY MX <= 1504 ug/L all year
003Iron, total recoverableMO AVG <= 862 ug/L all year
003Aluminum, total recoverableDAILY MX report only all year
003Aluminum, total recoverableMO AVG report only all year
003ChloroformDAILY MX report only all year
003ChloroformMO AVG report only all year
003ChlorideDAILY MX report only all year
003ChlorideMO AVG report only all year
003Flow, in conduit or thru treatment plantDAILY MX report only all year
003Flow, in conduit or thru treatment plantMO AVG report only all year
003Chlorine, total residualDAILY MX report only all year
003Chlorine, total residualMO AVG report only all year
003Nitrogen, Kjeldahl, total [TKN] [water]DAILY MX report only all year
003Nitrogen, Kjeldahl, total [TKN] [water]MO AVG report only all year
003Toxicity [chronic], Ceriodaphnia dubiaDAILY MX report only all year
003Toxicity [chronic], Pimephales promelas [Fathead Minnow]DAILY MX report only all year
003Chlorides + SulfatesDAILY MX report only all year
003Chlorides + SulfatesMO AVG report only all year
008Temperature, water deg. fahrenheitDAILY MX <= 68 deg F Nov
008Temperature, water deg. fahrenheitMO AVG report only Nov
008Temperature, water deg. fahrenheitDAILY MX <= 71 deg F Apr
008Temperature, water deg. fahrenheitDAILY MX <= 78 deg F Oct
008Temperature, water deg. fahrenheitDAILY MX <= 60 deg F Mar
008Temperature, water deg. fahrenheitDAILY MX <= 48 deg F Jan, Feb
008Temperature, water deg. fahrenheitDAILY MX <= 91 deg F Jul, Aug
008Temperature, water deg. fahrenheitDAILY MX <= 81 deg F May
008Temperature, water deg. fahrenheitDAILY MX <= 55 deg F Dec
008Temperature, water deg. fahrenheitDAILY MX <= 89 deg F Jun, Sep
008Temperature, water deg. fahrenheitMO AVG report only Apr
008Temperature, water deg. fahrenheitMO AVG report only Oct
008Temperature, water deg. fahrenheitMO AVG report only Mar
008Temperature, water deg. fahrenheitMO AVG report only Jan, Feb
008Temperature, water deg. fahrenheitMO AVG report only Jul, Aug
008Temperature, water deg. fahrenheitMO AVG report only May
008Temperature, water deg. fahrenheitMO AVG report only Dec
008Temperature, water deg. fahrenheitMO AVG report only Jun, Sep
008Flow rateDAILY MX report only all year
008Flow rateMO AVG report only all year
008pHMINIMUM report only all year
008pHMAXIMUM report only all year
008Oil and grease [soxhlet extr.] tot.DAILY MX <= 15 mg/L all year
008Oil and grease [soxhlet extr.] tot.MO AVG <= 10 mg/L all year
008Nitrogen, total [as N]DAILY MX report only all year
008Nitrogen, total [as N]MO AVG report only all year
008Nitrogen, ammonia total [as N]DAILY MX <= 128.4 mg/L Oct
008Nitrogen, ammonia total [as N]DAILY MX <= 128.4 mg/L Jan, Feb, Mar, Nov, Dec
008Nitrogen, ammonia total [as N]DAILY MX <= 128.4 mg/L Apr, May, Jun, Jul, Aug, Sep
008Nitrogen, ammonia total [as N]MO AVG <= 48.9 mg/L Oct
008Nitrogen, ammonia total [as N]MO AVG <= 48.9 mg/L Jan, Feb, Mar, Nov, Dec
008Nitrogen, ammonia total [as N]MO AVG <= 51.9 mg/L Apr, May, Jun, Jul, Aug, Sep
008Nitrogen, ammonia total [as N]DAILY MX <= 420 lb/mo Oct
008Nitrogen, ammonia total [as N]DAILY MX <= 420 lb/d Jan, Feb, Mar, Nov, Dec
008Nitrogen, ammonia total [as N]DAILY MX <= 420 lb/d Apr, May, Jun, Jul, Aug, Sep
008Nitrogen, ammonia total [as N]MO AVG <= 158 lb/mo Oct
008Nitrogen, ammonia total [as N]MO AVG <= 158 lb/d Jan, Feb, Mar, Nov, Dec
008Nitrogen, ammonia total [as N]MO AVG <= 158 lb/d Apr, May, Jun, Jul, Aug, Sep
008Nitrogen, nitrite total [as N]DAILY MX report only all year
008Nitrogen, nitrite 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 <= 587 lb/d all year
008Nitrogen, nitrate total [as N]MO AVG <= 218 lb/d all year
008Nitrite + Nitrate total [as N]DAILY MX report only all year
008Nitrite + Nitrate total [as N]MO AVG report only all year
008Temp. diff. between up/down stream deg. FDAILY MX <= 5 deg F all year
008Temp. diff. between up/down stream deg. FMO AVG report only all year
008Flow, in conduit or thru treatment plantDAILY 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
008Flow, in conduit or thru treatment plantMO AVG report only all year
008Nitrogen, Kjeldahl, total [TKN] [water]DAILY MX report only all year
008Nitrogen, Kjeldahl, total [TKN] [water]MO AVG report only all year
008Toxicity [acute], Ceriodaphnia dubiaDAILY MX <= 3.3 toxic all year
008Toxicity [acute], Pimephales promelas [Fathead Minnow]DAILY MX <= 3.3 toxic all year
008Temperature, summer [deg. F]DAILY MX report only Apr, May, Jun, Jul, Aug, Sep
008Temperature, summer [deg. F]MO AVG report only Apr, May, Jun, Jul, Aug, Sep
008Temperature, winter [deg. F]DAILY MX report only Jan, Feb, Mar, Oct, Nov, Dec
008Temperature, winter [deg. F]MO AVG report only Jan, Feb, Mar, Oct, Nov, Dec
008Month excursion time [min]TOTAL report only all year
008Month excursion time [min]ANNL TOT report only all year
008Month excursion time [min]MO TOTAL <= 7.43 hr all year
008Month excursion time [min]MO TOTAL report only all year
008Day - max excursion time [min]DAILY MX <= 60 min all year
008Day - max excursion time [min]MO 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