TEXAS WATER UTILITIES LP

NPDES permit TX0099015 · Minor NON-POTW · effective, expires 2030-05-16 · 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

1values over a limit
0required values missing, on 0 form(s)
0of 23 forms filed late

Last period with anything received: 2026-07-31. Most often over: E. coli (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 (31)

OutfallParameterStatisticLimitMonths
001BOD, 5-day, 20 deg. CDAILY MX <= 65 mg/L all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedDAILY MX <= 80 mg/L all year
001Phosphorus, total [as P]DAILY MX report only all year
001Chloride [as Cl]DAILY AV report only all year
001Chloride [as Cl]DAILY MX report only all year
001Copper, total [as Cu]DAILY AV <= .0668 mg/L all year
001Copper, total [as Cu]DAILY MX <= .141 mg/L all year
001Aluminum, total [as Al]DAILY AV <= .834 mg/L all year
001Aluminum, total [as Al]DAILY MX <= 1.765 mg/L all year
001Flow, in conduit or thru treatment plantDAILY AV <= .325 MGD all year
001Flow, in conduit or thru treatment plantDAILY MX <= .65 MGD all year
001Solids, total dissolvedDAILY AV <= 8000 mg/L all year
001Solids, total dissolvedDAILY MX <= 9000 mg/L all year
001Mercury, total [as Hg]DAILY AV <= .002 mg/L all year
001Mercury, total [as Hg]DAILY MX <= .004 mg/L all year
201BOD, 5-day, 20 deg. CDAILY AV <= 20 mg/L all year
201BOD, 5-day, 20 deg. CDAILY MX <= 45 mg/L all year
201BOD, 5-day, 20 deg. CDAILY AV <= 4.2 lb/d all year
201pHMINIMUM >= 6 SU all year
201pHMAXIMUM <= 9 SU all year
201Solids, total suspendedDAILY AV <= 20 mg/L all year
201Solids, total suspendedDAILY MX <= 45 mg/L all year
201Solids, total suspendedDAILY AV <= 4.2 lb/d all year
201Flow, in conduit or thru treatment plantDAILY AV <= .05 MGD all year
201Flow, in conduit or thru treatment plantDAILY MX <= .1 MGD all year
201Chlorine, total residualMO MIN >= 1 mg/L all year
201Chlorine, total residualMO MAX <= 4 mg/L all year
201E. coliDAILY AV <= 126 CFU/100mL all year
201E. coliDAILY MX <= 399 CFU/100mL 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