Greenfield Environmental Multistate Trus

NPDES permit MO0117331 · 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
0required values missing, on 0 form(s)
0of 8 forms filed late

Last period with anything received: 2026-06-30.

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 (36)

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
001Arsenic, total recoverableDAILY MX report only all year
001Copper, total recoverableDAILY MX report only all year
001Chromium, trivalent total recoverableDAILY MX report only all year
001Benzo[k]fluorantheneDAILY MX report only all year
001Benzo[a]pyreneDAILY MX report only all year
001ChryseneDAILY MX report only all year
001Indeno[1,2,3-cd]pyreneDAILY MX report only all year
001Benzo[a]anthraceneDAILY MX report only all year
001Dibenz[a,h]anthraceneDAILY MX report only all year
0012-ChlorophenolDAILY MX report only all year
001o-Cresol [2-Methylphenol]DAILY MX report only all year
001Precipitation volumeDAILY MX report only all year
001Storm water flowDAILY 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
002Arsenic, total recoverableDAILY MX report only all year
002Copper, total recoverableDAILY MX report only all year
002Chromium, trivalent total recoverableDAILY MX report only all year
002Benzo[k]fluorantheneDAILY MX report only all year
002Benzo[a]pyreneDAILY MX report only all year
002ChryseneDAILY MX report only all year
002Indeno[1,2,3-cd]pyreneDAILY MX report only all year
002Benzo[a]anthraceneDAILY MX report only all year
002Dibenz[a,h]anthraceneDAILY MX report only all year
0022-ChlorophenolDAILY MX report only all year
002o-Cresol [2-Methylphenol]DAILY MX report only all year
002Precipitation volumeDAILY MX report only all year
002Storm water flowDAILY 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