NPDES permit TN0002593 · Minor NON-POTW · effective, expires 2027-05-31 · 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.
Last period with anything received: 2026-08-31.
Reports are due about 15 days after each monitoring period ends (the most common figure among TN permits in EPA's filings — check your permit).
| Outfall | Parameter | Statistic | Limit | Months |
|---|---|---|---|---|
| 001 | pH | MINIMUM | >= 7 SU | all year |
| 001 | pH | MAXIMUM | <= 9 SU | all year |
| 001 | Solids, total suspended | MO AVG | <= 50 mg/L | all year |
| 001 | Solids, total suspended | DAILY MX | <= 70 mg/L | all year |
| 001 | Solids, total suspended | MO AVG | <= 467 lb/d | all year |
| 001 | Solids, total suspended | DAILY MX | <= 982 lb/d | all year |
| 001 | Oil and grease, hexane extr method | MO AVG | <= 15 mg/L | all year |
| 001 | Oil and grease, hexane extr method | DAILY MX | <= 30 mg/L | all year |
| 001 | Oil and grease, hexane extr method | MO AVG | <= 287 lb/d | all year |
| 001 | Oil and grease, hexane extr method | DAILY MX | <= 479 lb/d | all year |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | <= 5 mg/L | May, Jun, Jul, Aug, Sep, Oct |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | <= 10 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 10 mg/L | May, Jun, Jul, Aug, Sep, Oct |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 20 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| 001 | Cyanide, total [as CN] | MO AVG | <= 2.88 lb/d | all year |
| 001 | Cyanide, total [as CN] | DAILY MX | <= 6.96 lb/d | all year |
| 001 | Fluoride | MO AVG | <= 100 mg/L | all year |
| 001 | Fluoride | DAILY MX | <= 150 mg/L | all year |
| 001 | Chromium, total [as Cr] | MO AVG | <= 4.3 lb/d | all year |
| 001 | Chromium, total [as Cr] | DAILY MX | <= 10.5 lb/d | all year |
| 001 | Zinc, total [as Zn] | MO AVG | <= 14.6 lb/d | all year |
| 001 | Zinc, total [as Zn] | DAILY MX | <= 34.9 lb/d | all year |
| 001 | Aluminum, total [as Al] | MO AVG | <= 76.6 lb/d | all year |
| 001 | Aluminum, total [as Al] | DAILY MX | <= 154 lb/d | 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 |
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