LEON ISD

NPDES permit TX0135127 · Minor POTW · administratively continued, expires 2025-01-17 · 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 2025-01-17 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

25values over a limit
0required values missing, on 0 form(s)
9of 13 forms filed late

Last period with anything received: 2026-06-30. Most often over: Solids, total suspended (11), BOD, 5-day, 20 deg. C (10), E. coli (4).

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 (15)

OutfallParameterStatisticLimitMonths
001Oxygen, dissolved [DO]MINIMUM >= 4 mg/L all year
001BOD, 5-day, 20 deg. CDAILY AV <= 10 mg/L all year
001BOD, 5-day, 20 deg. CSINGGRAB <= 35 mg/L all year
001BOD, 5-day, 20 deg. CDAILY AV <= 1.7 lb/d 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 <= 2.5 lb/d all year
001Flow, in conduit or thru treatment plantDAILY AV <= .02 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

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