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BWXT Ordnance Tennessee, Inc.

Nonferrous Foundries, Jonesborough, Tennessee. NPDES permit TN0057983, in force until Dec 31, 2030. Last 12 months: no values over a limit, 3 required values missing, 8 of 84 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: outfall 001 form T1 monthly (32 values), outfall 001 form T2 monthly (32 values), outfall 001 form T3 monthly (32 values), outfall 001 form T4 monthly (32 values), outfall 001 form T5 monthly (32 values), outfall 002 form G monthly (6 values), and 1 more form
Last report on file
September 2026
Oct 2024 – Sep 2025
2 values over a limit, 0 required values missing, 0 of 84 reports late

Limits in force (181)

ParameterStatisticLimitMonthsOutfall
pHminimum≥ 7.5 SUall year001
pHminimum≥ 7.5 SUall year001
pHminimum≥ 7.5 SUall year001
pHminimum≥ 7.5 SUall year001
pHminimum≥ 7.5 SUall year001
pHmaximum≤ 9 SUall year001
pHmaximum≤ 9 SUall year001
pHmaximum≤ 9 SUall year001
pHmaximum≤ 9 SUall year001
pHmaximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ .3343 lb/dall year001
Solids, total suspendedmonthly average≤ .634 lb/dall year001
Solids, total suspendedmonthly average≤ .8453 lb/dall year001
Solids, total suspendedmonthly average≤ 1.0567 lb/dall year001
Solids, total suspendedmonthly average≤ 1.268 lb/dall year001
Solids, total suspendeddaily maximum≤ .7 lb/dall year001
Solids, total suspendeddaily maximum≤ 1.216 lb/dall year001
Solids, total suspendeddaily maximum≤ 1.6213 lb/dall year001
Solids, total suspendeddaily maximum≤ 2.0267 lb/dall year001
Solids, total suspendeddaily maximum≤ 2.432 lb/dall year001
Solids, settleabledaily maximum≤ .5 mL/Lall year001
Solids, settleabledaily maximum≤ .5 mL/Lall year001
Solids, settleabledaily maximum≤ .5 mL/Lall year001
Solids, settleabledaily maximum≤ .5 mL/Lall year001
Solids, settleabledaily maximum≤ .5 mL/Lall year001
Nitrogen, total [as N]daily maximumreport only (mg/L)all year001
Nitrogen, total [as N]daily maximumreport only (mg/L)all year001
Nitrogen, total [as N]daily maximumreport only (mg/L)all year001
Nitrogen, total [as N]daily maximumreport only (mg/L)all year001
Nitrogen, total [as N]daily maximumreport only (mg/L)all year001
Nitrogen, ammonia total [as N]monthly average≤ 7.6 mg/Lall year001
Nitrogen, ammonia total [as N]monthly average≤ 7.6 mg/Lall year001
Nitrogen, ammonia total [as N]monthly average≤ 7.6 mg/Lall year001
Nitrogen, ammonia total [as N]monthly average≤ 7.6 mg/Lall year001
Nitrogen, ammonia total [as N]monthly average≤ 7.6 mg/Lall year001
Nitrogen, ammonia total [as N]daily maximum≤ 15.2 mg/Lall year001
Nitrogen, ammonia total [as N]daily maximum≤ 15.2 mg/Lall year001
Nitrogen, ammonia total [as N]daily maximum≤ 15.2 mg/Lall year001
Nitrogen, ammonia total [as N]daily maximum≤ 15.2 mg/Lall year001
Nitrogen, ammonia total [as N]daily maximum≤ 15.2 mg/Lall year001
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)all year001
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)all year001
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)all year001
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)all year001
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)all year001
Phosphorus, total [as P]daily maximumreport only (mg/L)all year001
Phosphorus, total [as P]daily maximumreport only (mg/L)all year001
Phosphorus, total [as P]daily maximumreport only (mg/L)all year001
Phosphorus, total [as P]daily maximumreport only (mg/L)all year001
Phosphorus, total [as P]daily maximumreport only (mg/L)all year001
Fluoride, total [as F]monthly average≤ .14 lb/dall year001
Fluoride, total [as F]monthly average≤ .6721 lb/dall year001
Fluoride, total [as F]monthly average≤ .5041 lb/dall year001
Fluoride, total [as F]monthly average≤ .8401 lb/dall year001
Fluoride, total [as F]monthly average≤ 1.0081 lb/dall year001
Fluoride, total [as F]daily maximum≤ .32 lb/dall year001
Fluoride, total [as F]daily maximum≤ 1.5138 lb/dall year001
Fluoride, total [as F]daily maximum≤ 1.1534 lb/dall year001
Fluoride, total [as F]daily maximum≤ 1.8922 lb/dall year001
Fluoride, total [as F]daily maximum≤ 2.2707 lb/dall year001
Cadmium, total [as Cd]monthly average≤ .0006 lb/dall year001
Cadmium, total [as Cd]monthly average≤ .0008 lb/dall year001
Cadmium, total [as Cd]monthly average≤ .0004 lb/dall year001
Cadmium, total [as Cd]monthly average≤ .001 lb/dall year001
Cadmium, total [as Cd]monthly average≤ .0012 lb/dall year001
Cadmium, total [as Cd]daily maximum≤ .0015 lb/dall year001
Cadmium, total [as Cd]daily maximum≤ .002 lb/dall year001
Cadmium, total [as Cd]daily maximum≤ .0001 lb/dall year001
Cadmium, total [as Cd]daily maximum≤ .0025 lb/dall year001
Cadmium, total [as Cd]daily maximum≤ .003 lb/dall year001
Chromium, total [as Cr]monthly average≤ .0011 lb/dall year001
Chromium, total [as Cr]monthly average≤ .0015 lb/dall year001
Chromium, total [as Cr]monthly average≤ .0008 lb/dall year001
Chromium, total [as Cr]monthly average≤ .0023 lb/dall year001
Chromium, total [as Cr]monthly average≤ .0019 lb/dall year001
Chromium, total [as Cr]daily maximum≤ .0028 lb/dall year001
Chromium, total [as Cr]daily maximum≤ .0037 lb/dall year001
Chromium, total [as Cr]daily maximum≤ .0019 lb/dall year001
Chromium, total [as Cr]daily maximum≤ .0056 lb/dall year001
Chromium, total [as Cr]daily maximum≤ .0047 lb/dall year001
Copper, total [as Cu]monthly average≤ .0119 lb/dall year001
Copper, total [as Cu]monthly average≤ .0159 lb/dall year001
Copper, total [as Cu]monthly average≤ .0035 lb/dall year001
Copper, total [as Cu]monthly average≤ .0199 lb/dall year001
Copper, total [as Cu]monthly average≤ .0238 lb/dall year001
Copper, total [as Cu]daily maximum≤ .0245 lb/dall year001
Copper, total [as Cu]daily maximum≤ .0327 lb/dall year001
Copper, total [as Cu]daily maximum≤ .0069 lb/dall year001
Copper, total [as Cu]daily maximum≤ .0408 lb/dall year001
Copper, total [as Cu]daily maximum≤ .049 lb/dall year001
Lead, total [as Pb]monthly average≤ .0013 lb/dall year001
Lead, total [as Pb]monthly average≤ .0007 lb/dall year001
Lead, total [as Pb]monthly average≤ .001 lb/dall year001
Lead, total [as Pb]monthly average≤ .002 lb/dall year001
Lead, total [as Pb]monthly average≤ .0017 lb/dall year001
Lead, total [as Pb]daily maximum≤ .0028 lb/dall year001
Lead, total [as Pb]daily maximum≤ .0014 lb/dall year001
Lead, total [as Pb]daily maximum≤ .0021 lb/dall year001
Lead, total [as Pb]daily maximum≤ .0043 lb/dall year001
Lead, total [as Pb]daily maximum≤ .0036 lb/dall year001
Molybdenum, total [as Mo]monthly average≤ .0425 lb/dall year001
Molybdenum, total [as Mo]monthly average≤ .0119 lb/dall year001
Molybdenum, total [as Mo]monthly average≤ .0567 lb/dall year001
Molybdenum, total [as Mo]monthly average≤ .085 lb/dall year001
Molybdenum, total [as Mo]monthly average≤ .0709 lb/dall year001
Molybdenum, total [as Mo]daily maximum≤ .096 lb/dall year001
Molybdenum, total [as Mo]daily maximum≤ .0269 lb/dall year001
Molybdenum, total [as Mo]daily maximum≤ .128 lb/dall year001
Molybdenum, total [as Mo]daily maximum≤ .1921 lb/dall year001
Molybdenum, total [as Mo]daily maximum≤ .1601 lb/dall year001
Nickel, total [as Ni]monthly average≤ .0094 lb/dall year001
Nickel, total [as Ni]monthly average≤ .0071 lb/dall year001
Nickel, total [as Ni]monthly average≤ .002 lb/dall year001
Nickel, total [as Ni]monthly average≤ .0141 lb/dall year001
Nickel, total [as Ni]monthly average≤ .0118 lb/dall year001
Nickel, total [as Ni]daily maximum≤ .014 lb/dall year001
Nickel, total [as Ni]daily maximum≤ .0105 lb/dall year001
Nickel, total [as Ni]daily maximum≤ .003 lb/dall year001
Nickel, total [as Ni]daily maximum≤ .021 lb/dall year001
Nickel, total [as Ni]daily maximum≤ .0175 lb/dall year001
Oil and greasemonthly average≤ .21 lb/dall year001
Oil and greasemonthly average≤ .42 lb/dall year001
Oil and greasemonthly average≤ .84 lb/dall year001
Oil and greasemonthly average≤ .5604 lb/dall year001
Oil and greasemonthly average≤ .7 lb/dall year001
Oil and greasedaily maximum≤ .34 lb/dall year001
Oil and greasedaily maximum≤ .62 lb/dall year001
Oil and greasedaily maximum≤ 1.25 lb/dall year001
Oil and greasedaily maximum≤ .8322 lb/dall year001
Oil and greasedaily maximum≤ 1.04 lb/dall year001
Uranium, totalmonthly averagereport only (mg/L)all year001
Uranium, totalmonthly averagereport only (mg/L)all year001
Uranium, totalmonthly averagereport only (mg/L)all year001
Uranium, totalmonthly averagereport only (mg/L)all year001
Uranium, totalmonthly averagereport only (mg/L)all year001
Uranium, totaldaily maximum≤ 4 mg/Lall year001
Uranium, totaldaily maximum≤ 4 mg/Lall year001
Uranium, totaldaily maximum≤ 4 mg/Lall year001
Uranium, totaldaily maximum≤ 4 mg/Lall year001
Uranium, totaldaily maximum≤ 4 mg/Lall year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)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
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
LC50 Static 48Hr Acute Ceriodaphnia dubiaminimum> 1.6 %all year001
LC50 Static 48Hr Acute Ceriodaphnia dubiaminimum> 1.6 %all year001
LC50 Static 48Hr Acute Ceriodaphnia dubiaminimum> 1.6 %all year001
LC50 Static 48Hr Acute Ceriodaphnia dubiaminimum> 1.6 %all year001
LC50 Static 48Hr Acute Ceriodaphnia dubiaminimum> 1.6 %all year001
LC50 Static 48Hr Acute Pimephales promelasminimum> 1.6 %all year001
LC50 Static 48Hr Acute Pimephales promelasminimum> 1.6 %all year001
LC50 Static 48Hr Acute Pimephales promelasminimum> 1.6 %all year001
LC50 Static 48Hr Acute Pimephales promelasminimum> 1.6 %all year001
LC50 Static 48Hr Acute Pimephales promelasminimum> 1.6 %all year001
Temperature, water deg. centigradedaily maximumreport only (deg C)all year002
Conductivitydaily maximumreport only (umho/cm)all year002
pHminimum≥ 6 SUall year002
pHmaximum≤ 9 SUall 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
Oxygen, dissolved [DO]minimum≥ 1 mg/Lall year003
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year003
BOD, 5-day, 20 deg. Cdaily maximum≤ 45 mg/Lall year003
pHminimum≥ 6 SUall year003
pHmaximum≤ 9 SUall year003
Solids, total suspendedmonthly average≤ 30 mg/Lall year003
Solids, total suspendeddaily maximum≤ 45 mg/Lall year003
Solids, settleabledaily maximum≤ .5 mL/Lall year003
Nitrogen, ammonia total [as N]monthly average≤ 5 mg/Lall year003
Nitrogen, ammonia total [as N]daily maximum≤ 7.5 mg/Lall year003
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year003
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year003
Chlorine, total residualdaily maximum≤ 2 mg/Lall year003
E. colimonthly geometric mean≤ 126 #/100mLall year003
E. colidaily maximum≤ 410 #/100mLall year003

How strict are these limits?

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

Same industry: the 12 Primary Metal Industries permits in Tennessee.

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Your permit document is the final word. As JSON: /api/v1/permits/TN0057983 · MCP: https://passage-data.com/mcp