Hazmat, Inc.

NPDES permit MO0117692 · Minor NON-POTW · administratively continued, expires 2024-03-31 · 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 2024-03-31 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

0values over a limit
9required values missing, on 1 form(s)
0of 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 (11)

OutfallParameterStatisticLimitMonths
003Oxygen demand, chem. [high level] [COD]DAILY MX <= 90 mg/L all year
003pHMINIMUM >= 6.5 SU all year
003pHMAXIMUM <= 9 SU all year
003Solids, total suspendedDAILY MX report only all year
003Solids, settleableDAILY MX <= 1.5 mL/L all year
003Oil and grease [soxhlet extr.] tot.DAILY MX <= 15 mg/L all year
003BenzeneDAILY MX report only all year
003RainfallDAILY MX report only all year
003Flow, in conduit or thru treatment plantDAILY MX report only all year
003Toxicity [acute], Ceriodaphnia dubiaDAILY MX report only all year
003Toxicity [acute], Pimephales promelas [Fathead Minnow]DAILY MX 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