SMITH INTERNATIONAL INDUSTRIAL SUBDIVISION WATER SUPPLY & SEWER SERVICES CORP

NPDES permit TX0084298 · Minor NON-POTW · effective, expires 2028-11-16 · 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 16 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 (58)

OutfallParameterStatisticLimitMonths
001BOD, 5-day, 20 deg. CDAILY AV <= 10 mg/L all year
001BOD, 5-day, 20 deg. CDAILY MX <= 25 mg/L all year
001BOD, 5-day, 20 deg. CDAILY AV <= 8.43 lb/d all year
001BOD, 5-day, 20 deg. CDAILY MX <= 21 lb/d all year
001Oxygen demand, chem. [high level] [COD]DAILY AV <= 100 mg/L all year
001Oxygen demand, chem. [high level] [COD]DAILY MX <= 200 mg/L all year
001Oxygen demand, chem. [high level] [COD]DAILY AV <= 61.7 lb/d all year
001Oxygen demand, chem. [high level] [COD]DAILY MX <= 123 lb/d all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedDAILY AV <= 17.2 mg/L all year
001Solids, total suspendedDAILY MX <= 42.8 mg/L all year
001Solids, total suspendedDAILY AV <= 10.6 lb/d all year
001Solids, total suspendedDAILY MX <= 26.4 lb/d all year
001Oil & GreaseDAILY AV <= 12.2 mg/L all year
001Oil & GreaseDAILY MX <= 24.5 mg/L all year
001Oil & GreaseDAILY AV <= 7.53 lb/d all year
001Oil & GreaseDAILY MX <= 15.1 lb/d all year
001Cyanide, free [amenable to chlorination]DAILY AV <= .062 mg/L all year
001Cyanide, free [amenable to chlorination]DAILY MX <= .138 mg/L all year
001Cyanide, free [amenable to chlorination]DAILY AV <= .038 lb/d all year
001Cyanide, free [amenable to chlorination]DAILY MX <= .085 lb/d all year
001Cadmium, total [as Cd]DAILY AV <= .079 mg/L all year
001Cadmium, total [as Cd]DAILY MX <= .183 mg/L all year
001Cadmium, total [as Cd]DAILY AV <= .048 lb/d all year
001Cadmium, total [as Cd]DAILY MX <= .113 lb/d all year
001Chromium, total [as Cr]DAILY AV <= .669 mg/L all year
001Chromium, total [as Cr]DAILY MX <= 1.248 mg/L all year
001Chromium, total [as Cr]DAILY AV <= .413 lb/d all year
001Chromium, total [as Cr]DAILY MX <= .77 lb/d all year
001Copper, total [as Cu]DAILY AV <= .625 mg/L all year
001Copper, total [as Cu]DAILY MX <= 1.32 mg/L all year
001Copper, total [as Cu]DAILY AV <= .391 lb/d all year
001Copper, total [as Cu]DAILY MX <= .823 lb/d all year
001Lead, total [as Pb]DAILY AV <= .48 mg/L all year
001Lead, total [as Pb]DAILY MX <= .92 mg/L all year
001Lead, total [as Pb]DAILY AV <= .302 lb/d all year
001Lead, total [as Pb]DAILY MX <= .588 lb/d all year
001Nickel, total [as Ni]DAILY AV <= 1.193 mg/L all year
001Nickel, total [as Ni]DAILY MX <= 2.277 mg/L all year
001Nickel, total [as Ni]DAILY AV <= .736 lb/d all year
001Nickel, total [as Ni]DAILY MX <= 1.406 lb/d all year
001Silver, total [as Ag]DAILY AV <= .077 mg/L all year
001Silver, total [as Ag]DAILY MX <= .146 mg/L all year
001Silver, total [as Ag]DAILY AV <= .047 lb/d all year
001Silver, total [as Ag]DAILY MX <= .09 lb/d all year
001Zinc, total [as Zn]DAILY AV <= 1.067 mg/L all year
001Zinc, total [as Zn]DAILY MX <= 2.085 mg/L all year
001Zinc, total [as Zn]DAILY AV <= .658 lb/d all year
001Zinc, total [as Zn]DAILY MX <= 1.287 lb/d all year
001Flow, in conduit or thru treatment plantDAILY AV <= .15 MGD all year
001Flow, in conduit or thru treatment plantDAILY MX <= .3 MGD all year
001Chlorine, total residualMO MIN >= .5 mg/L all year
001Chlorine, total residualMO MAX <= 4 mg/L all year
001E. coliDAILY AV <= 63 CFU/100mL all year
001E. coliDAILY MX <= 197 CFU/100mL all year
001Organics, total toxic [TTO]DAILY MX <= .298 mg/L all year
001Organics, total toxic [TTO]DAILY MX <= .184 lb/d 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