NPDES permit TN0062537 · Minor NON-POTW · effective, expires 2028-05-31 · EPA's file as of 2026-09-19
Check this month's numbers before you fileLast period with anything received: 2026-08-31.
Reports are due about 15 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).
| Outfall | Parameter | Statistic | Limit | Months |
|---|---|---|---|---|
| 001 | BOD, 5-day, 20 deg. C | DAILY MX | <= 45 mg/L | all year |
| 001 | pH | DAILY MN | >= 6 SU | all year |
| 001 | pH | DAILY MX | <= 9 SU | all year |
| 001 | Solids, total suspended | DAILY MX | <= 40 mg/L | all year |
| 001 | Lithium, total [as Li] | MO AVG | report only | all year |
| 001 | Lithium, total [as Li] | 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 |
| SW1 | BOD, 5-day, 20 deg. C | DAILY MX | report only | all year |
| SW1 | pH | VALUE | report only | all year |
| SW1 | Solids, total suspended | DAILY MX | report only | all year |
| SW1 | Oil and grease, hexane extr method | DAILY MX | report only | all year |
| SW1 | Lithium, total [as Li] | DAILY MX | report only | all year |
| SW1 | Flow, in conduit or thru treatment plant | MO AVG | report only | all year |
| SW1 | Flow, in conduit or thru treatment plant | DAILY MX | report only | all year |
| SW2 | BOD, 5-day, 20 deg. C | DAILY MX | <= 30 mg/L (alert) | all year |
| SW2 | pH | VALUE | report only | all year |
| SW2 | Solids, total suspended | DAILY MX | <= 150 mg/L (alert) | all year |
| SW2 | Oil and grease, hexane extr method | DAILY MX | <= 15 mg/L (alert) | all year |
| SW2 | Flow, in conduit or thru treatment plant | MO AVG | report only | all year |
| SW2 | Flow, in conduit or thru treatment plant | 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