Passage Data · Check a report · Use it from your AI

Tennessee Valley Authority (TVA)

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.

Reports due
About 15 days after each period: outfall 001 form G monthly (23 values), outfall 002 form G monthly (11 values), outfall 005 form G monthly (2 values), outfall 009 form LU monthly (6 values), outfall 01A form G monthly (7 values), outfall 01C form G monthly (2 values), and 3 more forms
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 17 required values missing, 5 of 74 reports late

Limits in force (69)

ParameterStatisticLimitMonthsOutfall
pHdaily minimum≥ 6 SUall year001
Solids, total suspendedmonthly average≤ 29.9 mg/Lall year001
Solids, total suspendeddaily maximum≤ 92 mg/Lall year001
Oil and grease, hexane extr methodmonthly average≤ 14.4 mg/Lall year001
Oil and grease, hexane extr methoddaily maximum≤ 19.4 mg/Lall year001
Arsenic, total [as As]daily maximumreport only (mg/L)all year001
Barium, total [as Ba]daily maximumreport only (mg/L)all year001
Beryllium, total [as Be]daily maximumreport only (mg/L)all year001
Cadmium, total [as Cd]daily maximumreport only (mg/L)all year001
Chromium, total [as Cr]daily maximumreport only (mg/L)all year001
Copper, total [as Cu]daily maximumreport only (mg/L)all year001
Iron, total [as Fe]daily maximumreport only (mg/L)all year001
Lead, total [as Pb]daily maximumreport only (mg/L)all year001
Thallium, total [as Tl]daily maximumreport only (mg/L)all year001
Nickel, total [as Ni]daily maximumreport only (mg/L)all year001
Silver, total [as Ag]daily maximumreport only (mg/L)all year001
Zinc, total [as Zn]daily maximumreport only (mg/L)all year001
Antimony, total [as Sb]daily maximumreport only (mg/L)all year001
Aluminum, total [as Al]daily maximumreport only (mg/L)all year001
Selenium, total [as Se]daily maximumreport only (mg/L)all year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Mercury, total [as Hg]daily maximumreport only (mg/L)all year001
Temperature, water deg. centigradedaily maximum≤ 36.1 deg Call year002
Temperature, water deg. centigradedaily maximumreport only (deg C)all year002
pHdaily minimum≥ 6 SUall year002
pHmaximum≤ 9 SUall year002
Oxidants, total residualmonthly average≤ .011 mg/Lall year002
Oxidants, total residualdaily maximum≤ .019 mg/Lall year002
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year002
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year002
Mercury, total [as Hg]value≤ 30 ng/Lall year002
Chlorination durationdaily maximum≤ 120 minall year002
Duration of dischargedaily maximum≤ 120 minall year002
IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubiaminimum≥ 100 %all year002
IC25 Static Renewal 7 Day Chronic Pimephalesminimum≥ 100 %all year002
Copper, total [as Cu]value≤ 1 mg/Lall year005
Iron, total [as Fe]value≤ 1 mg/Lall year005
Arsenic, total [as As]monthly average≤ 8 ug/Lall year009
Arsenic, total [as As]daily maximum≤ 11 ug/Lall year009
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year009
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year009
Mercury, total [as Hg]monthly average≤ 356 ng/Lall year009
Mercury, total [as Hg]daily maximum≤ 788 ng/Lall year009
pHminimum≥ 6 SUall year01A
pHmaximum≤ 9 SUall year01A
Solids, total suspendedvalue≤ 100 mg/Lall year01A
Oil and grease, hexane extr methodvalue≤ 20 mg/Lall year01A
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year01A
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year01A
Mercury, total [as Hg]valuereport only (ng/L)all year01A
Solids, total suspendedmonthly average≤ 30 mg/Lall year01C
Solids, total suspendeddaily maximum≤ 100 mg/Lall year01C
Hardness, total [as CaCO3]valuereport only (mg/L)all yearRWI
Arsenic, total [as As]valuereport only (mg/L)all yearRWI
Barium, total [as Ba]valuereport only (mg/L)all yearRWI
Beryllium, total [as Be]valuereport only (mg/L)all yearRWI
Cadmium, total [as Cd]valuereport only (mg/L)all yearRWI
Chromium, total [as Cr]valuereport only (mg/L)all yearRWI
Copper, total [as Cu]valuereport only (mg/L)all yearRWI
Iron, total [as Fe]valuereport only (mg/L)all yearRWI
Lead, total [as Pb]valuereport only (mg/L)all yearRWI
Nickel, total [as Ni]valuereport only (mg/L)all yearRWI
Silver, total [as Ag]valuereport only (mg/L)all yearRWI
Zinc, total [as Zn]valuereport only (mg/L)all yearRWI
Antimony, total [as Sb]valuereport only (mg/L)all yearRWI
Aluminum, total [as Al]valuereport only (mg/L)all yearRWI
Selenium, total [as Se]valuereport only (mg/L)all yearRWI
Mercury, total [as Hg]valuereport only (ng/L)all yearRWI

How strict are these limits?

Cited limits by parameter: Tennessee's rules and the federal ones.

Same industry: the 15 Electric Services permits in Tennessee.

Check this month's numbers Email me before each report is due

· 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