NPDES permit OK0037621 · Minor NON-POTW · expired, expires 2023-10-31 · EPA's file as of 2026-09-19
Check this month's numbers before you fileThis permit expired on 2023-10-31 and is expired: its last limits keep applying until a new permit is issued, and EPA still expects the reports.
EPA's file shows no filings for this permit in this window. That is a statement about the file, not about the facility.
Reports are due about 15 days after each monitoring period ends (the most common figure among OK permits in EPA's filings — check your permit).
| Outfall | Parameter | Statistic | Limit | Months |
|---|---|---|---|---|
| 001 | pH | MINIMUM | >= 6.5 SU | all year |
| 001 | pH | MAXIMUM | <= 9 SU | all year |
| 001 | Solids, settleable | DAILY MX | <= .5 mL/L | all year |
| 001 | Sulfate, total [as SO4] | MO AVG | report only | all year |
| 001 | Sulfate, total [as SO4] | DAILY MX | report only | all year |
| 001 | Flow, in conduit or thru treatment plant | MO AVG | report only | all year |
| 001 | Flow, in conduit or thru treatment plant | DAILY MX | report only | all year |
| 001 | Solids, total dissolved | MO AVG | report only | all year |
| 001 | Solids, total dissolved | DAILY MX | report only | all year |
| 002 | pH | MINIMUM | >= 6.5 SU | all year |
| 002 | pH | MAXIMUM | <= 9 SU | all year |
| 002 | Solids, settleable | DAILY MX | <= .5 mL/L | all year |
| 002 | Sulfate, total [as SO4] | MO AVG | report only | all year |
| 002 | Sulfate, total [as SO4] | DAILY MX | report only | all year |
| 002 | Flow, in conduit or thru treatment plant | MO AVG | report only | all year |
| 002 | Flow, in conduit or thru treatment plant | DAILY MX | report only | all year |
| 002 | Solids, total dissolved | MO AVG | report only | all year |
| 002 | Solids, total dissolved | 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