Passage Data · Check a report · Use it from your AI
Federal facility (Electric Services), major discharger, Harriman, Tennessee. NPDES permit TN0005452 expired Feb 28, 2023; its limits still apply. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| pH | daily minimum | ≥ 6 SU | all year | 001 |
| Solids, total suspended | monthly average | ≤ 29.9 mg/L | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 92 mg/L | all year | 001 |
| Oil and grease, hexane extr method | monthly average | ≤ 14.4 mg/L | all year | 001 |
| Oil and grease, hexane extr method | daily maximum | ≤ 19.4 mg/L | all year | 001 |
| Arsenic, total [as As] | daily maximum | report only (mg/L) | all year | 001 |
| Barium, total [as Ba] | daily maximum | report only (mg/L) | all year | 001 |
| Beryllium, total [as Be] | daily maximum | report only (mg/L) | all year | 001 |
| Cadmium, total [as Cd] | daily maximum | report only (mg/L) | all year | 001 |
| Chromium, total [as Cr] | daily maximum | report only (mg/L) | all year | 001 |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | all year | 001 |
| Iron, total [as Fe] | daily maximum | report only (mg/L) | all year | 001 |
| Lead, total [as Pb] | daily maximum | report only (mg/L) | all year | 001 |
| Thallium, total [as Tl] | daily maximum | report only (mg/L) | all year | 001 |
| Nickel, total [as Ni] | daily maximum | report only (mg/L) | all year | 001 |
| Silver, total [as Ag] | daily maximum | report only (mg/L) | all year | 001 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 001 |
| Antimony, total [as Sb] | daily maximum | report only (mg/L) | all year | 001 |
| Aluminum, total [as Al] | daily maximum | report only (mg/L) | all year | 001 |
| Selenium, total [as Se] | daily maximum | report only (mg/L) | all year | 001 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 001 |
| Mercury, total [as Hg] | daily maximum | report only (mg/L) | all year | 001 |
| Temperature, water deg. centigrade | daily maximum | ≤ 36.1 deg C | all year | 002 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year | 002 |
| pH | daily minimum | ≥ 6 SU | all year | 002 |
| pH | maximum | ≤ 9 SU | all year | 002 |
| Oxidants, total residual | monthly average | ≤ .011 mg/L | all year | 002 |
| Oxidants, total residual | daily maximum | ≤ .019 mg/L | all year | 002 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 002 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 002 |
| Mercury, total [as Hg] | value | ≤ 30 ng/L | all year | 002 |
| Chlorination duration | daily maximum | ≤ 120 min | all year | 002 |
| Duration of discharge | daily maximum | ≤ 120 min | all year | 002 |
| IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubia | minimum | ≥ 100 % | all year | 002 |
| IC25 Static Renewal 7 Day Chronic Pimephales | minimum | ≥ 100 % | all year | 002 |
| Copper, total [as Cu] | value | ≤ 1 mg/L | all year | 005 |
| Iron, total [as Fe] | value | ≤ 1 mg/L | all year | 005 |
| Arsenic, total [as As] | monthly average | ≤ 8 ug/L | all year | 009 |
| Arsenic, total [as As] | daily maximum | ≤ 11 ug/L | all year | 009 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 009 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 009 |
| Mercury, total [as Hg] | monthly average | ≤ 356 ng/L | all year | 009 |
| Mercury, total [as Hg] | daily maximum | ≤ 788 ng/L | all year | 009 |
| pH | minimum | ≥ 6 SU | all year | 01A |
| pH | maximum | ≤ 9 SU | all year | 01A |
| Solids, total suspended | value | ≤ 100 mg/L | all year | 01A |
| Oil and grease, hexane extr method | value | ≤ 20 mg/L | all year | 01A |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 01A |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 01A |
| Mercury, total [as Hg] | value | report only (ng/L) | all year | 01A |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 01C |
| Solids, total suspended | daily maximum | ≤ 100 mg/L | all year | 01C |
| Hardness, total [as CaCO3] | value | report only (mg/L) | all year | RWI |
| Arsenic, total [as As] | value | report only (mg/L) | all year | RWI |
| Barium, total [as Ba] | value | report only (mg/L) | all year | RWI |
| Beryllium, total [as Be] | value | report only (mg/L) | all year | RWI |
| Cadmium, total [as Cd] | value | report only (mg/L) | all year | RWI |
| Chromium, total [as Cr] | value | report only (mg/L) | all year | RWI |
| Copper, total [as Cu] | value | report only (mg/L) | all year | RWI |
| Iron, total [as Fe] | value | report only (mg/L) | all year | RWI |
| Lead, total [as Pb] | value | report only (mg/L) | all year | RWI |
| Nickel, total [as Ni] | value | report only (mg/L) | all year | RWI |
| Silver, total [as Ag] | value | report only (mg/L) | all year | RWI |
| Zinc, total [as Zn] | value | report only (mg/L) | all year | RWI |
| Antimony, total [as Sb] | value | report only (mg/L) | all year | RWI |
| Aluminum, total [as Al] | value | report only (mg/L) | all year | RWI |
| Selenium, total [as Se] | value | report only (mg/L) | all year | RWI |
| Mercury, total [as Hg] | value | report only (ng/L) | all year | RWI |
Cited limits by parameter: Tennessee's rules and the federal ones.
Same industry: the 15 Electric Services permits in Tennessee.
· Save this facility as a site · Superfund sites nearby · Your permits on one board
On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/TN0005452 · MCP: https://passage-data.com/mcp