NPDES permit MO0104540 · Minor NON-POTW · administratively continued, expires 2025-12-31 · EPA's file as of 2026-09-19
Check this month's numbers before you fileSign-ups are not open yet. We counted that someone asked — not who, and not which permit — and we open them once enough people do. The check stays free.
This permit expired on 2025-12-31 and is administratively continued: its last limits keep applying until a new permit is issued, and EPA still expects the reports.
Last period with anything received: 2026-06-30. Most often over: Copper, total recoverable (1).
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).
| Outfall | Parameter | Statistic | Limit | Months |
|---|---|---|---|---|
| 002 | BOD, 5-day, 20 deg. C | DAILY MX | report only | all year |
| 002 | Oxygen demand, chem. [high level] [COD] | DAILY MX | report only | all year |
| 002 | pH | MINIMUM | >= 6.5 SU | all year |
| 002 | pH | MAXIMUM | <= 9 SU | all year |
| 002 | Solids, total suspended | DAILY MX | report only | all year |
| 002 | Oil and grease [soxhlet extr.] tot. | DAILY MX | report only | all year |
| 002 | Nitrogen, ammonia total [as N] | DAILY MX | report only | all year |
| 002 | Chloride [as Cl] | DAILY MX | report only | all year |
| 002 | Sulfate, total [as SO4] | DAILY MX | report only | all year |
| 002 | Arsenic, total recoverable | DAILY MX | report only | all year |
| 002 | Iron, total recoverable | DAILY MX | report only | all year |
| 002 | Selenium, total recoverable | DAILY MX | <= 8.2 ug/L | all year |
| 002 | Thallium, total recoverable | DAILY MX | <= 10.3 ug/L | all year |
| 002 | Beryllium, total recoverable [as Be] | DAILY MX | report only | all year |
| 002 | Nickel, total recoverable | DAILY MX | report only | all year |
| 002 | Silver total recoverable | DAILY MX | report only | all year |
| 002 | Zinc, total recoverable | DAILY MX | report only | all year |
| 002 | Cadmium, total recoverable | DAILY MX | report only | all year |
| 002 | Lead, total recoverable | DAILY MX | report only | all year |
| 002 | Copper, total recoverable | DAILY MX | <= 26 ug/L | all year |
| 002 | Chromium, hexavalent dissolved [as Cr] | DAILY MX | report only | all year |
| 002 | Chromium, trivalent total recoverable | DAILY MX | report only | all year |
| 002 | Manganese, total recoverable | DAILY MX | report only | all year |
| 002 | Benzene | DAILY MX | report only | all year |
| 002 | Rainfall | DAILY MX | report only | all year |
| 002 | Mercury, total recoverable | DAILY MX | report only | all year |
| 002 | Storm water flow | DAILY MX | report only | all year |
| 002 | Chlorides + Sulfates | DAILY MX | <= 1000 mg/L | all year |
| 005 | BOD, 5-day, 20 deg. C | DAILY MX | report only | all year |
| 005 | Oxygen demand, chem. [high level] [COD] | DAILY MX | report only | all year |
| 005 | pH | MINIMUM | >= 6.5 SU | all year |
| 005 | pH | MAXIMUM | <= 9 SU | all year |
| 005 | Solids, total suspended | DAILY MX | report only | all year |
| 005 | Oil and grease [soxhlet extr.] tot. | DAILY MX | report only | all year |
| 005 | Nitrogen, ammonia total [as N] | DAILY MX | report only | all year |
| 005 | Chloride [as Cl] | DAILY MX | report only | all year |
| 005 | Sulfate, total [as SO4] | DAILY MX | report only | all year |
| 005 | Arsenic, total recoverable | DAILY MX | report only | all year |
| 005 | Iron, total recoverable | DAILY MX | report only | all year |
| 005 | Selenium, total recoverable | DAILY MX | <= 8.2 ug/L | all year |
| 005 | Thallium, total recoverable | DAILY MX | <= 10.3 ug/L | all year |
| 005 | Beryllium, total recoverable [as Be] | DAILY MX | report only | all year |
| 005 | Nickel, total recoverable | DAILY MX | report only | all year |
| 005 | Silver total recoverable | DAILY MX | report only | all year |
| 005 | Zinc, total recoverable | DAILY MX | report only | all year |
| 005 | Cadmium, total recoverable | DAILY MX | report only | all year |
| 005 | Lead, total recoverable | DAILY MX | report only | all year |
| 005 | Copper, total recoverable | DAILY MX | <= 26 ug/L | all year |
| 005 | Chromium, hexavalent dissolved [as Cr] | DAILY MX | report only | all year |
| 005 | Chromium, trivalent total recoverable | DAILY MX | report only | all year |
| 005 | Manganese, total recoverable | DAILY MX | report only | all year |
| 005 | Benzene | DAILY MX | report only | all year |
| 005 | Rainfall | DAILY MX | report only | all year |
| 005 | Mercury, total recoverable | DAILY MX | report only | all year |
| 005 | Storm water flow | DAILY MX | report only | all year |
| 005 | Chlorides + Sulfates | DAILY MX | <= 1000 mg/L | all year |
| 006 | BOD, 5-day, 20 deg. C | DAILY MX | report only | all year |
| 006 | Oxygen demand, chem. [high level] [COD] | DAILY MX | report only | all year |
| 006 | pH | MINIMUM | >= 6.5 SU | all year |
| 006 | pH | MAXIMUM | <= 9 SU | all year |
| 006 | Solids, total suspended | DAILY MX | report only | all year |
| 006 | Oil and grease [soxhlet extr.] tot. | DAILY MX | report only | all year |
| 006 | Nitrogen, ammonia total [as N] | DAILY MX | report only | all year |
| 006 | Chloride [as Cl] | DAILY MX | report only | all year |
| 006 | Sulfate, total [as SO4] | DAILY MX | report only | all year |
| 006 | Arsenic, total recoverable | DAILY MX | report only | all year |
| 006 | Iron, total recoverable | DAILY MX | report only | all year |
| 006 | Selenium, total recoverable | DAILY MX | <= 8.2 ug/L | all year |
| 006 | Thallium, total recoverable | DAILY MX | <= 10.3 ug/L | all year |
| 006 | Beryllium, total recoverable [as Be] | DAILY MX | report only | all year |
| 006 | Nickel, total recoverable | DAILY MX | report only | all year |
| 006 | Silver total recoverable | DAILY MX | report only | all year |
| 006 | Zinc, total recoverable | DAILY MX | report only | all year |
| 006 | Cadmium, total recoverable | DAILY MX | report only | all year |
| 006 | Lead, total recoverable | DAILY MX | report only | all year |
| 006 | Copper, total recoverable | DAILY MX | <= 26 ug/L | all year |
| 006 | Chromium, hexavalent dissolved [as Cr] | DAILY MX | report only | all year |
| 006 | Chromium, trivalent total recoverable | DAILY MX | report only | all year |
| 006 | Manganese, total recoverable | DAILY MX | report only | all year |
| 006 | Benzene | DAILY MX | report only | all year |
| 006 | Rainfall | DAILY MX | report only | all year |
| 006 | Mercury, total recoverable | DAILY MX | report only | all year |
| 006 | Storm water flow | DAILY MX | report only | all year |
| 006 | Chlorides + Sulfates | DAILY MX | <= 1000 mg/L | 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