VALLOUREC STAR LP

NPDES permit TX0088455 · Minor NON-POTW · effective, expires 2028-11-21 · 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)
3of 14 forms filed late

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

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 (24)

OutfallParameterStatisticLimitMonths
001Oxygen, dissolved [DO]MO MIN >= 4 mg/L all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedDAILY AV <= 15 mg/L all year
001Solids, total suspendedSINGGRAB <= 60 mg/L all year
001Solids, total suspendedDAILY AV <= 1.3 lb/d all year
001Nitrogen, ammonia total [as N]DAILY AV <= 3 mg/L Apr, May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]DAILY AV <= 5 mg/L Jan, Feb, Mar, Nov, Dec
001Nitrogen, ammonia total [as N]SINGGRAB <= 15 mg/L Apr, May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]SINGGRAB <= 15 mg/L Jan, Feb, Mar, Nov, Dec
001Nitrogen, ammonia total [as N]DAILY AV <= .25 lb/d Apr, May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]DAILY AV <= .42 lb/d Jan, Feb, Mar, Nov, Dec
001Copper, total [as Cu]DAILY AV report only all year
001Copper, total [as Cu]SINGGRAB report only all year
001Copper, total [as Cu]DAILY AV report only all year
001Flow, in conduit or thru treatment plantDAILY AV <= .01 MGD all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Chlorine, total residualMO MIN >= 1 mg/L all year
001Chlorine, total residualMO MAX <= 4 mg/L all year
001EnterococciDAILY AV <= 35 CFU/100mL all year
001EnterococciSINGGRAB <= 104 CFU/100mL all year
001BOD, carbonaceous [5 day, 20 C]DAILY AV <= 10 mg/L all year
001BOD, carbonaceous [5 day, 20 C]SINGGRAB <= 35 mg/L all year
001BOD, carbonaceous [5 day, 20 C]DAILY AV <= .83 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