PCI NITROGEN LLC

NPDES permit TX0007285 · Minor NON-POTW · effective, expires 2027-12-19 · EPA's file as of 2026-09-19

Check this month's numbers before you file
Watch this permit — $79 a month. Every Monday, from EPA's newest files: the next report due and when, whether EPA's file holds your last one, any change to this permit's limits or status, and the renewal date.

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

1values over a limit
0required values missing, on 0 form(s)
0of 54 forms filed late

Last period with anything received: 2026-08-31. Most often over: Enterococci (1).

Reporting

Reports are due about 20 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (106)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheitDAILY AV report only all year
001Temperature, water deg. fahrenheitDAILY MX <= 95 deg F all year
001pHMINIMUM >= 5 SU all year
001pHMAXIMUM <= 11 SU all year
001Solids, total suspendedDAILY AV report only all year
001Solids, total suspendedDAILY MX report only all year
001Nitrogen, ammonia total [as N]DAILY AV <= 346 lb/d all year
001Nitrogen, ammonia total [as N]DAILY MX <= 1033 lb/d all year
001Phosphorus, total [as P]DAILY AV <= 35 mg/L all year
001Phosphorus, total [as P]DAILY MX <= 105 mg/L all year
001Phosphorus, total [as P]DAILY AV <= 773 lb/d all year
001Phosphorus, total [as P]DAILY MX <= 2319 lb/d all year
001Fluoride, total [as F]DAILY AV <= 15 mg/L all year
001Fluoride, total [as F]DAILY MX <= 31 mg/L all year
001Fluoride, total [as F]DAILY AV <= 363 lb/d all year
001Fluoride, total [as F]DAILY MX <= 752 lb/d all year
001Arsenic, total [as As]DAILY AV <= .1 mg/L all year
001Arsenic, total [as As]DAILY MX <= .2 mg/L all year
001Arsenic, total [as As]DAILY AV <= 1.45 lb/d all year
001Arsenic, total [as As]DAILY MX <= 2.9 lb/d all year
001Cadmium, total [as Cd]DAILY AV <= .0627 mg/L all year
001Cadmium, total [as Cd]DAILY MX <= .133 mg/L all year
001Cadmium, total [as Cd]DAILY AV <= 1.52 lb/d all year
001Cadmium, total [as Cd]DAILY MX <= 3.22 lb/d all year
001Chromium, hexavalent [as Cr]DAILY AV <= .5 mg/L all year
001Chromium, hexavalent [as Cr]DAILY MX <= 1 mg/L all year
001Chromium, hexavalent [as Cr]DAILY AV <= 7.25 lb/d all year
001Chromium, hexavalent [as Cr]DAILY MX <= 14.5 lb/d all year
001Copper, total [as Cu]DAILY AV <= .0429 mg/L all year
001Copper, total [as Cu]DAILY MX <= .0908 mg/L all year
001Copper, total [as Cu]DAILY AV <= 1.04 lb/d all year
001Copper, total [as Cu]DAILY MX <= 2.2 lb/d all year
001Nickel, total [as Ni]DAILY AV <= .146 mg/L all year
001Nickel, total [as Ni]DAILY MX <= .31 mg/L all year
001Nickel, total [as Ni]DAILY AV <= 2.15 lb/d all year
001Nickel, total [as Ni]DAILY MX <= 4.5 lb/d all year
001Zinc, total [as Zn]DAILY AV <= .1537 mg/L all year
001Zinc, total [as Zn]DAILY MX <= .3251 mg/L all year
001Zinc, total [as Zn]DAILY AV <= 3.4 lb/d all year
001Zinc, total [as Zn]DAILY MX <= 7.2 lb/d all year
001RainfallDAILY AV report only all year
001RainfallDAILY MX report only all year
001Flow, in conduit or thru treatment plantDAILY AV <= 2.907 MGD all year
001Flow, in conduit or thru treatment plantDAILY MX <= 4.73 MGD all year
001EnterococciDAILY AV <= 35 CFU/100mL all year
001EnterococciDAILY MX <= 89 CFU/100mL all year
001Mercury, total [as Hg]DAILY AV <= .00085 mg/L all year
001Mercury, total [as Hg]DAILY MX <= .0018 mg/L all year
001Mercury, total [as Hg]DAILY AV <= .0124 lb/d all year
001Mercury, total [as Hg]DAILY MX <= .026 lb/d all year
001pH range excursions, > 60 minutesMO TOTAL <= 0 occur/mo all year
001pH range excursions, monthly total accumMO TOTAL <= 446 min all year
002pHMINIMUM >= 6 SU all year
002pHMAXIMUM <= 9 SU all year
002Nitrogen, ammonia total [as N]DAILY MX <= 75 mg/L all year
002Phosphorus, total [as P]DAILY MX <= 105 mg/L all year
002Fluoride, total [as F]DAILY MX <= 75 mg/L all year
002Flow, in conduit or thru treatment plantDAILY AV report only all year
002Flow, in conduit or thru treatment plantDAILY MX report only all year
003pHMINIMUM >= 6 SU all year
003pHMAXIMUM <= 9 SU all year
003Nitrogen, ammonia total [as N]DAILY MX <= 75 mg/L all year
003Phosphorus, total [as P]DAILY MX <= 105 mg/L all year
003Fluoride, total [as F]DAILY MX <= 75 mg/L all year
003Flow, in conduit or thru treatment plantDAILY AV report only all year
003Flow, in conduit or thru treatment plantDAILY MX report only all year
SUMNitrogen, ammonia total [as N]DAILY AV report only all year
SUMNitrogen, ammonia total [as N]DAILY MX report only all year
SUMNitrogen, ammonia total [as N]DAILY AV <= 346 lb/d all year
SUMNitrogen, ammonia total [as N]DAILY MX <= 1033 lb/d all year
TX1Whole effluent toxicity - retest #17 DA MIN report only all year
TX1Whole effluent toxicity - retest #1MO AV MN report only all year
TX1Whole effluent toxicity - retest #27 DA MIN report only all year
TX1Whole effluent toxicity - retest #2MO AV MN report only all year
TX1Whole Effluent Toxicity [WET] - M. beryllina7 DA MIN >= 8 % all year
TX1Whole Effluent Toxicity [WET] - M. beryllinaMO AV MN >= 8 % all year
TX1Whole Effluent Toxicity [WET] - Americamysis bahia (formerly Mysidopsis bahia)7 DA MIN >= 8 % all year
TX1Whole Effluent Toxicity [WET] - Americamysis bahia (formerly Mysidopsis bahia)MO AV MN >= 8 % all year
TX1Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia)7 DA MIN report only all year
TX1Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia)MO AV MN report only all year
TX1Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Menidia menidia7 DA MIN report only all year
TX1Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Menidia menidiaMO AV MN report only all year
TX1NOEC Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)7 DA MIN report only all year
TX1NOEC Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)MO AV MN report only all year
TX1NOEC Lethal Static Renewal 7 Day Chronic Menidia menidia7 DA MIN report only all year
TX1NOEC Lethal Static Renewal 7 Day Chronic Menidia menidiaMO AV MN report only all year
TX1NOEC Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)7 DA MIN report only all year
TX1NOEC Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)MO AV MN report only all year
TX1NOEC Sub-Lethal Static Renewal 7 Day Chronic Menidia menidia7 DA MIN report only all year
TX1NOEC Sub-Lethal Static Renewal 7 Day Chronic Menidia menidiaMO AV MN report only all year
TX1Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)7 DA MIN report only all year
TX1Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)MO AV MN report only all year
TX1Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Menidia menidia7 DA MIN report only all year
TX1Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Menidia menidiaMO AV MN report only all year
TX1LOEC Lethal Survival Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)7 DA MIN report only all year
TX1LOEC Lethal Survival Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia)MO AV MN report only all year
TX1LOEC Lethal Survival Static Renewal 7 Day Chronic Menidia menidia7 DA MIN report only all year
TX1LOEC Lethal Survival Static Renewal 7 Day Chronic Menidia menidiaMO AV MN report only all year
TX1LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia)7 DA MIN report only all year
TX1LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia)MO AV MN report only all year
TX1LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Menidia menidia7 DA MIN report only all year
TX1LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Menidia menidiaMO AV MN report only all year
TXAWhole effluent toxicity - retest #1SINGSAMP report only all year
TXAWhole effluent toxicity - retest #2SINGSAMP report only all year
TXALC50 Pass/Fail Static 24Hr Acute Americamysis bahia (formerly Mysidopsis bahia)SINGSAMP report only all year
TXALC50 Pass/Fail Static 24Hr Acute Menidia menidiaSINGSAMP report only 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