AMERICAN CHROME & CHEMICALS NA INC

NPDES permit TX0004685 · Major NON-POTW · effective, expires 2029-09-16 · 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

0values over a limit
0required values missing, on 0 form(s)
0of 50 forms filed late

Last period with anything received: 2026-07-31.

Reporting

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

Limits in force (95)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheitDAILY AV <= 105 deg F all year
001Temperature, water deg. fahrenheitDAILY MX <= 107 deg F all year
001Oxygen, dissolved [DO]MO MIN >= 2 mg/L all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedDAILY AV <= 4392 lb/d all year
001Solids, total suspendedDAILY MX <= 13282 lb/d all year
001Oil & GreaseDAILY AV <= 278 lb/d all year
001Oil & GreaseDAILY MX <= 371 lb/d all year
001Nitrogen, ammonia total [as N]DAILY AV report only all year
001Nitrogen, ammonia total [as N]DAILY MX report only all year
001Chromium, hexavalent [as Cr]DAILY AV report only all year
001Chromium, hexavalent [as Cr]DAILY MX <= .32 mg/L all year
001Copper, total [as Cu]DAILY AV <= 1.16 lb/d all year
001Copper, total [as Cu]DAILY MX <= 1.69 lb/d all year
001Silver, total [as Ag]DAILY AV <= .35 lb/d all year
001Silver, total [as Ag]DAILY MX <= .74 lb/d all year
001Flow, in conduit or thru treatment plantDAILY AV <= 20 MGD all year
001Flow, in conduit or thru treatment plantDAILY MX <= 25 MGD all year
001Chlorine, free availableDAILY AV <= 10.01 lb/d all year
001Chlorine, free availableDAILY MX <= 25.04 lb/d all year
101Solids, total suspendedDAILY AV <= 54 lb/d all year
101Solids, total suspendedDAILY MX <= 108 lb/d all year
101Chromium, hexavalent [as Cr]DAILY AV <= .12 lb/d all year
101Chromium, hexavalent [as Cr]DAILY MX <= .22 lb/d all year
101Chromium, total [as Cr]DAILY AV <= .75 lb/d all year
101Chromium, total [as Cr]DAILY MX <= 1.5 lb/d all year
101Copper, total [as Cu]DAILY AV report only all year
101Copper, total [as Cu]DAILY MX report only all year
101Lead, total [as Pb]DAILY AV report only all year
101Lead, total [as Pb]DAILY MX report only all year
101Nickel, total [as Ni]DAILY AV <= .8 lb/d all year
101Nickel, total [as Ni]DAILY MX <= 1.7 lb/d all year
101Zinc, total [as Zn]DAILY AV report only all year
101Zinc, total [as Zn]DAILY MX report only all year
101Flow [dry weather]DAILY AV <= .35 MGD all year
101Flow [dry weather]DAILY MX <= .8 MGD all year
201Solids, total suspendedDAILY AV <= 25 lb/d all year
201Solids, total suspendedDAILY MX <= 50 lb/d all year
201Chromium, hexavalent [as Cr]DAILY AV report only all year
201Chromium, hexavalent [as Cr]DAILY MX report only all year
201Chromium, total [as Cr]DAILY AV <= .75 lb/d all year
201Chromium, total [as Cr]DAILY MX <= 1.5 lb/d all year
201Copper, total [as Cu]DAILY AV report only all year
201Copper, total [as Cu]DAILY MX report only all year
201Lead, total [as Pb]DAILY AV <= .9 lb/d all year
201Lead, total [as Pb]DAILY MX <= 1.8 lb/d all year
201Nickel, total [as Ni]DAILY AV report only all year
201Nickel, total [as Ni]DAILY MX report only all year
201Zinc, total [as Zn]DAILY AV <= 1.2 lb/d all year
201Zinc, total [as Zn]DAILY MX <= 2.4 lb/d all year
201Flow, in conduit or thru treatment plantDAILY AV <= .2 MGD all year
201Flow, in conduit or thru treatment plantDAILY MX <= .4 MGD all year
301BOD, 5-day, 20 deg. CDAILY AV <= 20 mg/L all year
301BOD, 5-day, 20 deg. CDAILY MX <= 45 mg/L all year
301Solids, total suspendedDAILY AV <= 20 mg/L all year
301Solids, total suspendedDAILY MX <= 45 mg/L all year
301Flow, in conduit or thru treatment plantDAILY AV report only all year
301Flow, in conduit or thru treatment plantDAILY MX report only all year
301Chlorine, total residualMO MIN >= 1 mg/L all year
301Chlorine, total residualMO MAX <= 4 mg/L all year
301EnterococciDAILY AV <= 35 CFU/100mL all year
301EnterococciDAILY MX <= 89 CFU/100mL 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
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 beryllina7 DA MIN report only all year
TX1Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Menidia beryllinaMO 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 beryllina7 DA MIN report only all year
TX1NOEC Lethal Static Renewal 7 Day Chronic Menidia beryllinaMO 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 beryllina7 DA MIN report only all year
TX1NOEC Sub-Lethal Static Renewal 7 Day Chronic Menidia beryllinaMO 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 beryllina7 DA MIN report only all year
TX1Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Menidia beryllinaMO 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 beryllina7 DA MIN report only all year
TX1LOEC Lethal Survival Static Renewal 7 Day Chronic Menidia beryllinaMO 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 Growth Static Renewal 7 Day Chronic Menidia beryllina7 DA MIN report only all year
TX1LOEC Sub-Lethal Growth Static Renewal 7 Day Chronic Menidia beryllinaMO 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 beryllinaSINGSAMP 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