BWXT Ordnance Tennessee, Inc.

NPDES permit TN0057983 · Minor NON-POTW · effective, expires 2030-12-31 · EPA's file as of 2026-09-19

Check this month's numbers before you file

EPA's record, 2025-09-01 to 2026-08-31

0values over a limit
3required values missing, on 1 form(s)
8of 84 forms filed late

Last period with anything received: 2026-08-31.

Reporting

Reports are due about 15 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (181)

OutfallParameterStatisticLimitMonths
001pHMINIMUM >= 7.5 SU all year
001pHMINIMUM >= 7.5 SU all year
001pHMINIMUM >= 7.5 SU all year
001pHMINIMUM >= 7.5 SU all year
001pHMINIMUM >= 7.5 SU all year
001pHMAXIMUM <= 9 SU all year
001pHMAXIMUM <= 9 SU all year
001pHMAXIMUM <= 9 SU all year
001pHMAXIMUM <= 9 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedMO AVG <= .3343 lb/d all year
001Solids, total suspendedMO AVG <= .634 lb/d all year
001Solids, total suspendedMO AVG <= .8453 lb/d all year
001Solids, total suspendedMO AVG <= 1.0567 lb/d all year
001Solids, total suspendedMO AVG <= 1.268 lb/d all year
001Solids, total suspendedDAILY MX <= .7 lb/d all year
001Solids, total suspendedDAILY MX <= 1.216 lb/d all year
001Solids, total suspendedDAILY MX <= 1.6213 lb/d all year
001Solids, total suspendedDAILY MX <= 2.0267 lb/d all year
001Solids, total suspendedDAILY MX <= 2.432 lb/d all year
001Solids, settleableDAILY MX <= .5 mL/L all year
001Solids, settleableDAILY MX <= .5 mL/L all year
001Solids, settleableDAILY MX <= .5 mL/L all year
001Solids, settleableDAILY MX <= .5 mL/L all year
001Solids, settleableDAILY MX <= .5 mL/L all year
001Nitrogen, total [as N]DAILY MX report only all year
001Nitrogen, total [as N]DAILY MX report only all year
001Nitrogen, total [as N]DAILY MX report only all year
001Nitrogen, total [as N]DAILY MX report only all year
001Nitrogen, total [as N]DAILY MX report only all year
001Nitrogen, ammonia total [as N]MO AVG <= 7.6 mg/L all year
001Nitrogen, ammonia total [as N]MO AVG <= 7.6 mg/L all year
001Nitrogen, ammonia total [as N]MO AVG <= 7.6 mg/L all year
001Nitrogen, ammonia total [as N]MO AVG <= 7.6 mg/L all year
001Nitrogen, ammonia total [as N]MO AVG <= 7.6 mg/L all year
001Nitrogen, ammonia total [as N]DAILY MX <= 15.2 mg/L all year
001Nitrogen, ammonia total [as N]DAILY MX <= 15.2 mg/L all year
001Nitrogen, ammonia total [as N]DAILY MX <= 15.2 mg/L all year
001Nitrogen, ammonia total [as N]DAILY MX <= 15.2 mg/L all year
001Nitrogen, ammonia total [as N]DAILY MX <= 15.2 mg/L all year
001Nitrite + Nitrate total [as N]DAILY MX report only all year
001Nitrite + Nitrate total [as N]DAILY MX report only all year
001Nitrite + Nitrate total [as N]DAILY MX report only all year
001Nitrite + Nitrate total [as N]DAILY MX report only all year
001Nitrite + Nitrate total [as N]DAILY MX report only all year
001Phosphorus, total [as P]DAILY MX report only all year
001Phosphorus, total [as P]DAILY MX report only all year
001Phosphorus, total [as P]DAILY MX report only all year
001Phosphorus, total [as P]DAILY MX report only all year
001Phosphorus, total [as P]DAILY MX report only all year
001Fluoride, total [as F]MO AVG <= .14 lb/d all year
001Fluoride, total [as F]MO AVG <= .6721 lb/d all year
001Fluoride, total [as F]MO AVG <= .5041 lb/d all year
001Fluoride, total [as F]MO AVG <= .8401 lb/d all year
001Fluoride, total [as F]MO AVG <= 1.0081 lb/d all year
001Fluoride, total [as F]DAILY MX <= .32 lb/d all year
001Fluoride, total [as F]DAILY MX <= 1.5138 lb/d all year
001Fluoride, total [as F]DAILY MX <= 1.1534 lb/d all year
001Fluoride, total [as F]DAILY MX <= 1.8922 lb/d all year
001Fluoride, total [as F]DAILY MX <= 2.2707 lb/d all year
001Cadmium, total [as Cd]MO AVG <= .0006 lb/d all year
001Cadmium, total [as Cd]MO AVG <= .0008 lb/d all year
001Cadmium, total [as Cd]MO AVG <= .0004 lb/d all year
001Cadmium, total [as Cd]MO AVG <= .001 lb/d all year
001Cadmium, total [as Cd]MO AVG <= .0012 lb/d all year
001Cadmium, total [as Cd]DAILY MX <= .0015 lb/d all year
001Cadmium, total [as Cd]DAILY MX <= .002 lb/d all year
001Cadmium, total [as Cd]DAILY MX <= .0001 lb/d all year
001Cadmium, total [as Cd]DAILY MX <= .0025 lb/d all year
001Cadmium, total [as Cd]DAILY MX <= .003 lb/d all year
001Chromium, total [as Cr]MO AVG <= .0011 lb/d all year
001Chromium, total [as Cr]MO AVG <= .0015 lb/d all year
001Chromium, total [as Cr]MO AVG <= .0008 lb/d all year
001Chromium, total [as Cr]MO AVG <= .0023 lb/d all year
001Chromium, total [as Cr]MO AVG <= .0019 lb/d all year
001Chromium, total [as Cr]DAILY MX <= .0028 lb/d all year
001Chromium, total [as Cr]DAILY MX <= .0037 lb/d all year
001Chromium, total [as Cr]DAILY MX <= .0019 lb/d all year
001Chromium, total [as Cr]DAILY MX <= .0056 lb/d all year
001Chromium, total [as Cr]DAILY MX <= .0047 lb/d all year
001Copper, total [as Cu]MO AVG <= .0119 lb/d all year
001Copper, total [as Cu]MO AVG <= .0159 lb/d all year
001Copper, total [as Cu]MO AVG <= .0035 lb/d all year
001Copper, total [as Cu]MO AVG <= .0199 lb/d all year
001Copper, total [as Cu]MO AVG <= .0238 lb/d all year
001Copper, total [as Cu]DAILY MX <= .0245 lb/d all year
001Copper, total [as Cu]DAILY MX <= .0327 lb/d all year
001Copper, total [as Cu]DAILY MX <= .0069 lb/d all year
001Copper, total [as Cu]DAILY MX <= .0408 lb/d all year
001Copper, total [as Cu]DAILY MX <= .049 lb/d all year
001Lead, total [as Pb]MO AVG <= .0013 lb/d all year
001Lead, total [as Pb]MO AVG <= .0007 lb/d all year
001Lead, total [as Pb]MO AVG <= .001 lb/d all year
001Lead, total [as Pb]MO AVG <= .002 lb/d all year
001Lead, total [as Pb]MO AVG <= .0017 lb/d all year
001Lead, total [as Pb]DAILY MX <= .0028 lb/d all year
001Lead, total [as Pb]DAILY MX <= .0014 lb/d all year
001Lead, total [as Pb]DAILY MX <= .0021 lb/d all year
001Lead, total [as Pb]DAILY MX <= .0043 lb/d all year
001Lead, total [as Pb]DAILY MX <= .0036 lb/d all year
001Molybdenum, total [as Mo]MO AVG <= .0425 lb/d all year
001Molybdenum, total [as Mo]MO AVG <= .0119 lb/d all year
001Molybdenum, total [as Mo]MO AVG <= .0567 lb/d all year
001Molybdenum, total [as Mo]MO AVG <= .085 lb/d all year
001Molybdenum, total [as Mo]MO AVG <= .0709 lb/d all year
001Molybdenum, total [as Mo]DAILY MX <= .096 lb/d all year
001Molybdenum, total [as Mo]DAILY MX <= .0269 lb/d all year
001Molybdenum, total [as Mo]DAILY MX <= .128 lb/d all year
001Molybdenum, total [as Mo]DAILY MX <= .1921 lb/d all year
001Molybdenum, total [as Mo]DAILY MX <= .1601 lb/d all year
001Nickel, total [as Ni]MO AVG <= .0094 lb/d all year
001Nickel, total [as Ni]MO AVG <= .0071 lb/d all year
001Nickel, total [as Ni]MO AVG <= .002 lb/d all year
001Nickel, total [as Ni]MO AVG <= .0141 lb/d all year
001Nickel, total [as Ni]MO AVG <= .0118 lb/d all year
001Nickel, total [as Ni]DAILY MX <= .014 lb/d all year
001Nickel, total [as Ni]DAILY MX <= .0105 lb/d all year
001Nickel, total [as Ni]DAILY MX <= .003 lb/d all year
001Nickel, total [as Ni]DAILY MX <= .021 lb/d all year
001Nickel, total [as Ni]DAILY MX <= .0175 lb/d all year
001Oil and greaseMO AVG <= .21 lb/d all year
001Oil and greaseMO AVG <= .42 lb/d all year
001Oil and greaseMO AVG <= .84 lb/d all year
001Oil and greaseMO AVG <= .5604 lb/d all year
001Oil and greaseMO AVG <= .7 lb/d all year
001Oil and greaseDAILY MX <= .34 lb/d all year
001Oil and greaseDAILY MX <= .62 lb/d all year
001Oil and greaseDAILY MX <= 1.25 lb/d all year
001Oil and greaseDAILY MX <= .8322 lb/d all year
001Oil and greaseDAILY MX <= 1.04 lb/d all year
001Uranium, totalMO AVG report only all year
001Uranium, totalMO AVG report only all year
001Uranium, totalMO AVG report only all year
001Uranium, totalMO AVG report only all year
001Uranium, totalMO AVG report only all year
001Uranium, totalDAILY MX <= 4 mg/L all year
001Uranium, totalDAILY MX <= 4 mg/L all year
001Uranium, totalDAILY MX <= 4 mg/L all year
001Uranium, totalDAILY MX <= 4 mg/L all year
001Uranium, totalDAILY MX <= 4 mg/L all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001LC50 Static 48Hr Acute Ceriodaphnia dubiaMINIMUM > 1.6 % all year
001LC50 Static 48Hr Acute Ceriodaphnia dubiaMINIMUM > 1.6 % all year
001LC50 Static 48Hr Acute Ceriodaphnia dubiaMINIMUM > 1.6 % all year
001LC50 Static 48Hr Acute Ceriodaphnia dubiaMINIMUM > 1.6 % all year
001LC50 Static 48Hr Acute Ceriodaphnia dubiaMINIMUM > 1.6 % all year
001LC50 Static 48Hr Acute Pimephales promelasMINIMUM > 1.6 % all year
001LC50 Static 48Hr Acute Pimephales promelasMINIMUM > 1.6 % all year
001LC50 Static 48Hr Acute Pimephales promelasMINIMUM > 1.6 % all year
001LC50 Static 48Hr Acute Pimephales promelasMINIMUM > 1.6 % all year
001LC50 Static 48Hr Acute Pimephales promelasMINIMUM > 1.6 % all year
002Temperature, water deg. centigradeDAILY MX report only all year
002ConductivityDAILY MX report only all year
002pHMINIMUM >= 6 SU all year
002pHMAXIMUM <= 9 SU all year
002Flow, in conduit or thru treatment plantMO AVG report only all year
002Flow, in conduit or thru treatment plantDAILY MX report only all year
003Oxygen, dissolved [DO]MINIMUM >= 1 mg/L all year
003BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L all year
003BOD, 5-day, 20 deg. CDAILY MX <= 45 mg/L all year
003pHMINIMUM >= 6 SU all year
003pHMAXIMUM <= 9 SU all year
003Solids, total suspendedMO AVG <= 30 mg/L all year
003Solids, total suspendedDAILY MX <= 45 mg/L all year
003Solids, settleableDAILY MX <= .5 mL/L all year
003Nitrogen, ammonia total [as N]MO AVG <= 5 mg/L all year
003Nitrogen, ammonia total [as N]DAILY MX <= 7.5 mg/L all year
003Flow, in conduit or thru treatment plantMO AVG report only all year
003Flow, in conduit or thru treatment plantDAILY MX report only all year
003Chlorine, total residualDAILY MX <= 2 mg/L all year
003E. coliMO GEOMN <= 126 #/100mL all year
003E. coliDAILY MX <= 410 #/100mL 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