Fluor-BWXT Portsmouth LLC

NPDES permit OH0006092 · Major NON-POTW · administratively continued, expires 2025-06-30 · EPA's file as of 2026-09-19

Check this month's numbers before you file

This permit expired on 2025-06-30 and is administratively continued: its last limits keep applying until a new permit is issued, and EPA still expects the reports.

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

2values over a limit
0required values missing, on 0 form(s)
0of 191 forms filed late

Last period with anything received: 2026-07-31. Most often over: Copper, total recoverable (1), Temperature, water deg. centigrade (1).

Reporting

Reports are due about 20 days after each monitoring period ends (the most common figure among OH permits in EPA's filings — check your permit).

Limits in force (307)

OutfallParameterStatisticLimitMonths
001pHDAILY MN >= 6.5 SU all year
001pHDAILY MX <= 9 SU all year
001Solids, total suspendedMO AVG <= 20 mg/L all year
001Solids, total suspendedDAILY MX <= 45 mg/L all year
001Oil and grease, hexane extr methodDAILY MX <= 10 mg/L all year
001Fluoride, total [as F]MO AVG report only Mar, Jun, Aug, Dec
001Fluoride, total [as F]DAILY MX report only Mar, Jun, Aug, Dec
001Silver total recoverableMO AVG report only Mar, Jun, Aug, Dec
001Silver total recoverableDAILY MX report only Mar, Jun, Aug, Dec
001Zinc, total recoverableMO AVG report only Mar, Jun, Aug, Dec
001Zinc, total recoverableDAILY MX report only Mar, Jun, Aug, Dec
001Copper, total recoverableMO AVG report only Mar, Jun, Aug, Dec
001Copper, total recoverableDAILY MX report only Mar, Jun, Aug, Dec
001RainfallMO AVG report only all year
001RainfallDAILY MX 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
001Chlorine, total residualMO AVG <= .011 mg/L all year
001Chlorine, total residualDAILY MX <= .019 mg/L all year
001Mercury, total low levelMO AVG <= 12 ng/L all year
001Mercury, total low levelDAILY MX <= 1700 ng/L all year
002pHDAILY MN >= 6.5 SU all year
002pHDAILY MX <= 9 SU all year
002Solids, total suspendedMO AVG <= 20 mg/L all year
002Solids, total suspendedDAILY MX <= 45 mg/L all year
002Oil and grease, hexane extr methodDAILY MX <= 10 mg/L all year
002Fluoride, total [as F]MO AVG report only Mar, Jun, Aug, Dec
002Fluoride, total [as F]DAILY MX report only Mar, Jun, Aug, Dec
002Selenium, total recoverableMO AVG report only Mar, Jun, Aug, Dec
002Selenium, total recoverableDAILY MX report only Mar, Jun, Aug, Dec
002Di[2-ethylhexyl] phthalate [DEHP]MO AVG <= 8.4 ug/L all year
002Di[2-ethylhexyl] phthalate [DEHP]DAILY MX <= 1100 ug/L 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
002Chlorine, total residualMO AVG <= .011 mg/L all year
002Chlorine, total residualDAILY MX <= .019 mg/L all year
002Mercury, total low levelMO AVG report only Mar, Jun, Aug, Dec
002Mercury, total low levelDAILY MX report only Mar, Jun, Aug, Dec
003pHDAILY MN >= 6.5 SU all year
003pHDAILY MX <= 9 SU all year
003Solids, total suspendedMO AVG <= 12 mg/L all year
003Solids, total suspendedDAILY MX <= 18 mg/L all year
003Solids, total suspendedMO AVG <= 17.8 kg/d all year
003Solids, total suspendedDAILY MX <= 26.6 kg/d all year
003Oil and grease, hexane extr methodMO AVG report only Feb, May, Jul, Nov
003Oil and grease, hexane extr methodDAILY MX report only Feb, May, Jul, Nov
003Nitrogen, ammonia total [as N]MO AVG report only all year
003Nitrogen, ammonia total [as N]DAILY MX report only all year
003Nitrite + Nitrate total [as N]MO AVG report only Feb, May, Jul, Nov
003Nitrite + Nitrate total [as N]DAILY MX report only Feb, May, Jul, Nov
003E. coli, MTEC-MFMO GEOMN <= 126 MPN/100mL May, Jun, Jul, Aug, Sep, Oct
003E. coli, MTEC-MFDAILY MX <= 284 MPN/100mL May, Jun, Jul, Aug, Sep, Oct
003Flow, in conduit or thru treatment plantMO AVG report only all year
003Flow, in conduit or thru treatment plantDAILY MX report only all year
003Mercury, total low levelMO AVG <= 12 ng/L all year
003Mercury, total low levelDAILY MX <= 1700 ng/L all year
003Mercury, total low levelMO AVG <= .000018 kg/d all year
003Mercury, total low levelDAILY MX <= .0025 kg/d all year
003Toxicity [acute], Ceriodaphnia dubiaMO AVG report only Jul
003Toxicity [acute], Ceriodaphnia dubiaDAILY MX report only Jul
003Toxicity [acute], Pimephales promelas [Fathead Minnow]MO AVG report only Jul
003Toxicity [acute], Pimephales promelas [Fathead Minnow]DAILY MX report only Jul
003BOD, carbonaceous [5 day, 20 C]MO AVG <= 10 mg/L all year
003BOD, carbonaceous [5 day, 20 C]DAILY MX <= 15 mg/L all year
003BOD, carbonaceous [5 day, 20 C]MO AVG <= 14.8 kg/d all year
003BOD, carbonaceous [5 day, 20 C]DAILY MX <= 22.2 kg/d all year
004pHDAILY MN >= 6.5 SU all year
004pHDAILY MX <= 9 SU all year
004Solids, total suspendedMO AVG <= 11.2 mg/L all year
004Solids, total suspendedDAILY MX <= 12.5 mg/L all year
004Solids, total suspendedMO AVG <= 97.6 kg/d all year
004Solids, total suspendedDAILY MX <= 109 kg/d all year
004Oil and grease, hexane extr methodDAILY MX <= 10 mg/L all year
004Fluoride, total [as F]MO AVG report only all year
004Fluoride, total [as F]DAILY MX report only all year
004Cobalt, total recoverableMO AVG report only all year
004Cobalt, total recoverableDAILY MX report only all year
004Selenium, total recoverableMO AVG report only all year
004Selenium, total recoverableDAILY MX report only all year
004Beryllium, total recoverable [as Be]MO AVG report only all year
004Beryllium, total recoverable [as Be]DAILY MX report only all year
004Nickel, total recoverableMO AVG report only all year
004Nickel, total recoverableDAILY MX report only all year
004Silver total recoverableMO AVG report only all year
004Silver total recoverableDAILY MX report only all year
004Zinc, total recoverableMO AVG report only all year
004Zinc, total recoverableDAILY MX report only all year
004Cadmium, total recoverableMO AVG report only all year
004Cadmium, total recoverableDAILY MX report only all year
004Chromium, total recoverableMO AVG report only all year
004Chromium, total recoverableDAILY MX report only all year
004Copper, total recoverableDAILY MX <= 66 ug/L all year
004Copper, total recoverableDAILY MX <= .575 kg/d all year
004Vanadium, total recoverableMO AVG report only all year
004Vanadium, total recoverableDAILY MX report only all year
004Polychlorinated biphenyls [PCBs]MO AVG report only all year
004Polychlorinated biphenyls [PCBs]DAILY MX report only all year
004Flow, in conduit or thru treatment plantMO AVG report only all year
004Flow, in conduit or thru treatment plantDAILY MX report only all year
004Chlorine, total residualDAILY MX <= .038 mg/L all year
004Mercury, total low levelMO AVG <= 12 ng/L all year
004Mercury, total low levelDAILY MX <= 1700 ng/L all year
004Mercury, total low levelMO AVG <= .000105 kg/d all year
004Mercury, total low levelDAILY MX <= .0148 kg/d all year
004Toxicity [acute], Ceriodaphnia dubiaMO AVG report only Feb, May, Jul, Nov
004Toxicity [acute], Ceriodaphnia dubiaDAILY MX report only Feb, May, Jul, Nov
004Toxicity [acute], Pimephales promelas [Fathead Minnow]MO AVG report only Feb, May, Jul, Nov
004Toxicity [acute], Pimephales promelas [Fathead Minnow]DAILY MX report only Feb, May, Jul, Nov
004Solids, total dissolved- 180 deg. CMO AVG report only all year
004Solids, total dissolved- 180 deg. CDAILY MX report only all year
005pHDAILY MN >= 6.5 SU all year
005pHDAILY MX <= 9 SU all year
005Solids, total suspendedMO AVG <= 10 mg/L all year
005Solids, total suspendedDAILY MX <= 15 mg/L all year
005Selenium, total recoverableMO AVG report only Mar, Jun, Aug, Dec
005Selenium, total recoverableDAILY MX report only Mar, Jun, Aug, Dec
005Flow, in conduit or thru treatment plantMO AVG report only all year
005Flow, in conduit or thru treatment plantDAILY MX report only all year
005Mercury, total low levelMO AVG report only Mar, Jun, Aug, Dec
005Mercury, total low levelDAILY MX report only Mar, Jun, Aug, Dec
009pHDAILY MN >= 6.5 SU all year
009pHDAILY MX <= 9 SU all year
009Solids, total suspendedMO AVG <= 30 mg/L all year
009Solids, total suspendedDAILY MX <= 45 mg/L all year
009Oil and grease, hexane extr methodDAILY MX <= 10 mg/L all year
009Iron, total recoverableMO AVG report only Mar, Jun, Aug, Dec
009Iron, total recoverableDAILY MX report only Mar, Jun, Aug, Dec
009Thallium, total recoverableMO AVG report only all year
009Thallium, total recoverableDAILY MX report only all year
009Barium, total recoverableMO AVG report only Mar, Jun, Aug, Dec
009Barium, total recoverableDAILY MX report only Mar, Jun, Aug, Dec
009Zinc, total recoverableMO AVG report only Mar, Jun, Aug, Dec
009Zinc, total recoverableDAILY MX report only Mar, Jun, Aug, Dec
009Chromium, total recoverableMO AVG report only all year
009Chromium, total recoverableDAILY MX report only all year
009Copper, total recoverableMO AVG report only Mar, Jun, Aug, Dec
009Copper, total recoverableDAILY MX report only Mar, Jun, Aug, Dec
009TrichloroethyleneMO AVG report only all year
009TrichloroethyleneDAILY MX report only all year
009Polychlorinated biphenyls [PCBs]MO AVG report only all year
009Polychlorinated biphenyls [PCBs]DAILY MX report only all year
009Flow, in conduit or thru treatment plantMO AVG report only all year
009Flow, in conduit or thru treatment plantDAILY MX report only all year
009Chlorine, total residualMO AVG <= .03 mg/L all year
009Chlorine, total residualDAILY MX <= .038 mg/L all year
009Mercury, total low levelMO AVG report only Mar, Jun, Aug, Dec
009Mercury, total low levelDAILY MX report only Mar, Jun, Aug, Dec
010pHDAILY MN >= 6.5 SU all year
010pHDAILY MX <= 9 SU all year
010Solids, total suspendedMO AVG <= 30 mg/L all year
010Solids, total suspendedDAILY MX <= 45 mg/L all year
010Oil and grease, hexane extr methodDAILY MX <= 10 mg/L all year
010Iron, total recoverableMO AVG report only Mar, Jun, Aug, Dec
010Iron, total recoverableDAILY MX report only Mar, Jun, Aug, Dec
010Selenium, total recoverableMO AVG report only Mar, Jun, Aug, Dec
010Selenium, total recoverableDAILY MX report only Mar, Jun, Aug, Dec
010Thallium, total recoverableMO AVG report only all year
010Thallium, total recoverableDAILY MX report only all year
010Zinc, total recoverableMO AVG report only Mar, Jun, Aug, Dec
010Zinc, total recoverableDAILY MX report only Mar, Jun, Aug, Dec
010Lead, total recoverableMO AVG report only Mar, Jun, Aug, Dec
010Lead, total recoverableDAILY MX report only Mar, Jun, Aug, Dec
010Chromium, total recoverableMO AVG report only all year
010Chromium, total recoverableDAILY MX report only all year
010Copper, total recoverableMO AVG report only Mar, Jun, Aug, Dec
010Copper, total recoverableDAILY MX report only Mar, Jun, Aug, Dec
010TrichloroethyleneMO AVG report only all year
010TrichloroethyleneDAILY MX report only all year
010Polychlorinated biphenyls [PCBs]MO AVG report only all year
010Polychlorinated biphenyls [PCBs]DAILY MX report only all year
010RainfallMO AVG report only all year
010RainfallDAILY MX report only all year
010Flow, in conduit or thru treatment plantMO AVG report only all year
010Flow, in conduit or thru treatment plantDAILY MX report only all year
010Mercury, total low levelMO AVG report only Mar, Jun, Aug, Dec
010Mercury, total low levelDAILY MX report only Mar, Jun, Aug, Dec
011pHDAILY MN >= 6.5 SU all year
011pHDAILY MX <= 9 SU all year
011Solids, total suspendedMO AVG <= 30 mg/L all year
011Solids, total suspendedDAILY MX <= 45 mg/L all year
011Oil and grease, hexane extr methodDAILY MX <= 10 mg/L all year
011Fluoride, total [as F]MO AVG report only Mar, Jun, Aug, Dec
011Fluoride, total [as F]DAILY MX report only Mar, Jun, Aug, Dec
011Selenium, total recoverableMO AVG report only Mar, Jun, Aug, Dec
011Selenium, total recoverableDAILY MX report only Mar, Jun, Aug, Dec
011Thallium, total recoverableMO AVG report only all year
011Thallium, total recoverableDAILY MX report only all year
011Zinc, total recoverableMO AVG report only all year
011Zinc, total recoverableDAILY MX report only all year
011Chromium, total recoverableMO AVG report only all year
011Chromium, total recoverableDAILY MX report only all year
011Copper, total recoverableMO AVG report only Mar, Jun, Aug, Dec
011Copper, total recoverableDAILY MX report only Mar, Jun, Aug, Dec
011TrichloroethyleneMO AVG report only all year
011TrichloroethyleneDAILY MX report only all year
011Polychlorinated biphenyls [PCBs]MO AVG report only all year
011Polychlorinated biphenyls [PCBs]DAILY MX report only all year
011RainfallMO AVG report only all year
011RainfallDAILY MX report only all year
011Flow, in conduit or thru treatment plantMO AVG report only all year
011Flow, in conduit or thru treatment plantDAILY MX report only all year
011Chlorine, total residualMO AVG <= .011 mg/L all year
011Chlorine, total residualDAILY MX <= .019 mg/L all year
015pHDAILY MN >= 6.5 SU all year
015pHDAILY MX <= 9 SU all year
015Arsenic, total recoverableMO AVG report only Mar, Jun, Aug, Dec
015Arsenic, total recoverableDAILY MX report only Mar, Jun, Aug, Dec
015Barium, total recoverableMO AVG report only Mar, Jun, Aug, Dec
015Barium, total recoverableDAILY MX report only Mar, Jun, Aug, Dec
015TrichloroethyleneMO AVG <= 10 ug/L all year
015TrichloroethyleneDAILY MX <= 10 ug/L all year
015Polychlorinated biphenyls [PCBs]MO AVG report only Mar, Jun, Aug, Dec
015Polychlorinated biphenyls [PCBs]DAILY MX report only Mar, Jun, Aug, Dec
015Flow, in conduit or thru treatment plantMO AVG report only all year
015Flow, in conduit or thru treatment plantDAILY MX report only all year
602pHDAILY MN report only all year
602pHDAILY MX report only all year
602Solids, total suspendedMO AVG <= 35 mg/L all year
602Solids, total suspendedDAILY MX <= 50 mg/L all year
602Solids, settleableMO AVG report only all year
602Solids, settleableDAILY MX report only all year
602Iron, total [as Fe]MO AVG <= 3500 ug/L all year
602Iron, total [as Fe]DAILY MX <= 7000 ug/L all year
602Manganese, total [as Mn]MO AVG <= 2000 ug/L all year
602Manganese, total [as Mn]DAILY MX <= 4000 ug/L all year
602RainfallMO AVG report only all year
602RainfallDAILY MX report only all year
602Flow, in conduit or thru treatment plantMO AVG report only all year
602Flow, in conduit or thru treatment plantDAILY MX report only all year
604pHDAILY MN >= 6.5 SU all year
604pHDAILY MX <= 9 SU all year
604Nitrogen, nitrate total [as N]MO AVG report only all year
604Nitrogen, nitrate total [as N]DAILY MX report only all year
604Copper, total [as Cu]MO AVG report only all year
604Copper, total [as Cu]DAILY MX report only all year
604Iron, total [as Fe]MO AVG report only all year
604Iron, total [as Fe]DAILY MX report only all year
604Nickel, total [as Ni]MO AVG report only all year
604Nickel, total [as Ni]DAILY MX report only all year
604Zinc, total [as Zn]MO AVG report only all year
604Zinc, total [as Zn]DAILY MX report only all year
604Flow, in conduit or thru treatment plantMO AVG report only all year
604Flow, in conduit or thru treatment plantDAILY MX report only all year
605pHDAILY MN >= 6.5 SU all year
605pHDAILY MX <= 10 SU all year
605Solids, total suspendedMO AVG <= 20 mg/L all year
605Solids, total suspendedDAILY MX <= 30 mg/L all year
605Oil and grease, hexane extr methodMO AVG report only all year
605Oil and grease, hexane extr methodDAILY MX report only all year
605Nitrogen, ammonia total [as N]MO AVG report only all year
605Nitrogen, ammonia total [as N]DAILY MX report only all year
605Nitrogen, nitrite total [as N]MO AVG report only all year
605Nitrogen, nitrite total [as N]DAILY MX report only all year
605Nitrogen, nitrate total [as N]MO AVG report only all year
605Nitrogen, nitrate total [as N]DAILY MX report only all year
605Nitrogen, Kjeldahl, total [as N]MO AVG report only all year
605Nitrogen, Kjeldahl, total [as N]DAILY MX report only all year
605Sulfate, total [as SO4]MO AVG report only all year
605Sulfate, total [as SO4]DAILY MX report only all year
605Chromium, hexavalent [as Cr]MO AVG report only all year
605Chromium, hexavalent [as Cr]DAILY MX report only all year
605Chromium, total [as Cr]MO AVG report only all year
605Chromium, total [as Cr]DAILY MX report only all year
605Copper, total [as Cu]MO AVG report only all year
605Copper, total [as Cu]DAILY MX report only all year
605Nickel, total [as Ni]MO AVG report only all year
605Nickel, total [as Ni]DAILY MX report only all year
605Zinc, total [as Zn]MO AVG report only all year
605Zinc, total [as Zn]DAILY MX report only all year
605TrichloroethyleneMO AVG report only all year
605TrichloroethyleneDAILY MX report only all year
605Flow, in conduit or thru treatment plantMO AVG report only all year
605Flow, in conduit or thru treatment plantDAILY MX report only all year
608pHDAILY MN report only all year
608pHDAILY MX report only all year
608trans-1,2-DichloroethyleneMO AVG <= 25 ug/L all year
608trans-1,2-DichloroethyleneDAILY MX <= 66 ug/L all year
608TrichloroethyleneMO AVG <= 10 ug/L all year
608TrichloroethyleneDAILY MX <= 10 ug/L all year
608Flow, in conduit or thru treatment plantMO AVG report only all year
608Flow, in conduit or thru treatment plantDAILY MX report only all year
610pHDAILY MN report only all year
610pHDAILY MX report only all year
610trans-1,2-DichloroethyleneMO AVG <= 25 ug/L all year
610trans-1,2-DichloroethyleneDAILY MX <= 66 ug/L all year
610TrichloroethyleneMO AVG <= 10 ug/L all year
610TrichloroethyleneDAILY MX <= 10 ug/L all year
610Flow, in conduit or thru treatment plantMO AVG report only all year
610Flow, in conduit or thru treatment plantDAILY MX report only all year
611pHDAILY MN report only all year
611pHDAILY MX report only all year
611TrichloroethyleneMO AVG <= 10 ug/L all year
611TrichloroethyleneDAILY MX <= 10 ug/L all year
611Flow, in conduit or thru treatment plantMO AVG report only all year
611Flow, in conduit or thru treatment plantDAILY MX report only all year
801%Effect Static Renewal 48Hr Acute Ceriodaphnia dubiaMO AVG report only Feb, May, Jul, Nov
801%Effect Static Renewal 48Hr Acute Ceriodaphnia dubiaDAILY MX report only Feb, May, Jul, Nov
801%Effect Static Renewal 96Hr Acute Pimephales promelasMO AVG report only Feb, May, Jul, Nov
801%Effect Static Renewal 96Hr Acute Pimephales promelasDAILY MX report only Feb, May, Jul, Nov
902Temperature, water deg. centigradeMO AVG report only Jan, Feb, Mar, Apr, Nov, Dec
902Temperature, water deg. centigradeMO AVG <= 27.8 deg C May, Jun, Jul, Aug, Sep, Oct
902Temperature, water deg. centigradeDAILY MX report only Jan, Feb, Mar, Apr, Nov, Dec
902Temperature, water deg. centigradeDAILY MX <= 29.4 deg C May, Jun, Jul, Aug, Sep, Oct
903Temperature, water deg. centigradeMO AVG report only Jan, Feb, Mar, Apr, Nov, Dec
903Temperature, water deg. centigradeMO AVG <= 27.8 deg C May, Jun, Jul, Aug, Sep, Oct
903Temperature, water deg. centigradeDAILY MX report only Jan, Feb, Mar, Apr, Nov, Dec
903Temperature, water deg. centigradeDAILY MX <= 29.4 deg C May, Jun, Jul, Aug, Sep, Oct

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