LAS LOMAS MUD NO 413

NPDES permit TX0129623 · Minor POTW · administratively continued, expires 2024-08-12 · 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.

This permit expired on 2024-08-12 and is administratively continued: its last limits keep applying until a new permit is issued, and EPA still expects the reports.

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

1values over a limit
0required values missing, on 0 form(s)
0of 11 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 (the most common figure among TX permits in EPA's filings — check your permit).

Limits in force (18)

OutfallParameterStatisticLimitMonths
001Oxygen, dissolved [DO]MO MIN >= 4 mg/L all year
001pHMINIMUM >= 6.5 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 <= 31 lb/d all year
001Nitrogen, ammonia total [as N]DAILY AV <= 2 mg/L all year
001Nitrogen, ammonia total [as N]SINGGRAB <= 15 mg/L all year
001Nitrogen, ammonia total [as N]DAILY AV <= 4.2 lb/d all year
001Flow, in conduit or thru treatment plantDAILY AV <= .25 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
001E. coliDAILY AV <= 126 CFU/100mL all year
001E. coliSINGGRAB <= 399 CFU/100mL all year
001BOD, carbonaceous [5 day, 20 C]DAILY AV <= 7 mg/L all year
001BOD, carbonaceous [5 day, 20 C]SINGGRAB <= 32 mg/L all year
001BOD, carbonaceous [5 day, 20 C]DAILY AV <= 15 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