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NPDES permit MO0134198 · Minor NON-POTW · administratively continued, expires 2024-06-30 · 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 2024-06-30 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

4values over a limit
0required values missing, on 0 form(s)
0of 29 forms filed late

Last period with anything received: 2026-07-31. Most often over: Chloride (2), Cadmium, total recoverable (2).

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 (70)

OutfallParameterStatisticLimitMonths
001Oxygen demand, chem. [high level] [COD]DAILY MX report only all year
001pHMINIMUM >= 6.5 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedDAILY MX report only all year
001Oil and grease [soxhlet extr.] tot.DAILY MX report only all year
001Iron, total recoverableDAILY MX report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001BOD, 5-day, totalDAILY MX report only all year
001Precipitation volumeDAILY MX report only all year
002Oxygen demand, chem. [high level] [COD]DAILY MX report only all year
002pHMINIMUM >= 6.5 SU all year
002pHMAXIMUM <= 9 SU all year
002Solids, total suspendedDAILY MX report only all year
002Oil and grease [soxhlet extr.] tot.DAILY MX report only all year
002Iron, total recoverableDAILY MX report only all year
002Flow, in conduit or thru treatment plantDAILY MX report only all year
002BOD, 5-day, totalDAILY MX report only all year
002Precipitation volumeDAILY MX report only all year
003Oxygen demand, chem. [high level] [COD]DAILY MX report only all year
003pHMINIMUM >= 6.5 SU all year
003pHMAXIMUM <= 9 SU all year
003Solids, total suspendedDAILY MX report only all year
003Oil and grease [soxhlet extr.] tot.DAILY MX report only all year
003Iron, total recoverableDAILY MX report only all year
003Flow, in conduit or thru treatment plantDAILY MX report only all year
003BOD, 5-day, totalDAILY MX report only all year
003Precipitation volumeDAILY MX report only all year
004Oxygen demand, chem. [high level] [COD]DAILY MX report only all year
004pHMINIMUM >= 6.5 SU all year
004pHMAXIMUM <= 9 SU all year
004Solids, total suspendedDAILY MX report only all year
004Oil and grease [soxhlet extr.] tot.DAILY MX report only all year
004Iron, total recoverableDAILY MX report only all year
004Flow, in conduit or thru treatment plantDAILY MX report only all year
004BOD, 5-day, totalDAILY MX report only all year
004Precipitation volumeDAILY MX report only all year
009Temperature, water deg. fahrenheitDAILY MX <= 90 deg F all year
009Temperature, water deg. fahrenheitMO AVG <= 90 deg F all year
009Oxygen demand, chem. [high level] [COD]DAILY MX <= 120 mg/L all year
009Oxygen demand, chem. [high level] [COD]MO AVG <= 90 mg/L all year
009pHMINIMUM >= 6.5 SU all year
009pHMAXIMUM <= 9 SU all year
009Solids, total suspendedDAILY MX <= 100 mg/L all year
009Solids, total suspendedMO AVG <= 46 mg/L all year
009Oil and grease [soxhlet extr.] tot.DAILY MX report only all year
009Oil and grease [soxhlet extr.] tot.MO AVG report only all year
009Sulfate, total [as SO4]DAILY MX report only all year
009Sulfate, total [as SO4]MO AVG report only all year
009Arsenic, total recoverableDAILY MX <= 32.2 ug/L all year
009Arsenic, total recoverableMO AVG <= 16.6 ug/L all year
009Iron, total recoverableDAILY MX <= 1839 ug/L all year
009Iron, total recoverableMO AVG <= 645 ug/L all year
009Aluminum, total recoverableDAILY MX <= 750 ug/L all year
009Aluminum, total recoverableMO AVG <= 302 ug/L all year
009Cadmium, total recoverableDAILY MX <= .4 ug/L all year
009Cadmium, total recoverableMO AVG <= .3 ug/L all year
009Copper, total recoverableDAILY MX <= 16.6 ug/L all year
009Copper, total recoverableMO AVG <= 8.1 ug/L all year
009ChlorideDAILY MX <= 424 mg/L all year
009ChlorideMO AVG <= 161 mg/L all year
009Flow, in conduit or thru treatment plantDAILY MX report only all year
009Flow, in conduit or thru treatment plantMO AVG report only all year
009Chlorine, total residualDAILY MX <= 17 ug/L all year
009Chlorine, total residualMO AVG <= 8 ug/L all year
009Toxicity [chronic], Ceriodaphnia dubiaDAILY MX <= 1.1 toxic all year
009Toxicity [chronic], Pimephales promelas [Fathead Minnow]DAILY MX <= 1.1 toxic all year
009BOD, 5-day, totalDAILY MX <= 80 mg/L all year
009BOD, 5-day, totalMO AVG <= 30 mg/L all year
009Chlorides + SulfatesDAILY MX report only all year
009Chlorides + SulfatesMO 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