SOUTH TEXAS ELECTRIC COOPERATIVE, INC

NPDES permit TX0005118 · Minor NON-POTW · administratively continued, expires 2025-04-14 · 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 2025-04-14 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

0values over a limit
0required values missing, on 0 form(s)
0of 36 forms filed late

Last period with anything received: 2026-08-31.

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 (21)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheitDAILY AV <= 98 deg F all year
001Temperature, water deg. fahrenheitDAILY MX <= 105 deg F all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001Nitrogen, ammonia total [as N]DAILY MX report only all year
001Flow, in conduit or thru treatment plantDAILY AV <= .264 MGD all year
001Flow, in conduit or thru treatment plantDAILY MX <= .528 MGD all year
001Chlorine, total residualDAILY MX <= .2 mg/L all year
001Chlorine, total residualDAILY MX <= 4.8 lb/d all year
001E. coliDAILY AV <= 126 CFU/100mL all year
001E. coliDAILY MX <= 399 CFU/100mL all year
201Flow, in conduit or thru treatment plantDAILY AV <= .19 MGD all year
201Flow, in conduit or thru treatment plantDAILY MX <= .25 MGD all year
201Chlorine, free availableDAILY AV <= .2 mg/L all year
201Chlorine, free availableDAILY MX <= .5 mg/L all year
301Solids, total suspendedDAILY AV <= 30 mg/L all year
301Solids, total suspendedDAILY MX <= 100 mg/L all year
301Oil & GreaseDAILY AV <= 15 mg/L all year
301Oil & GreaseDAILY MX <= 20 mg/L all year
301Flow, in conduit or thru treatment plantDAILY AV <= .264 MGD all year
301Flow, in conduit or thru treatment plantDAILY MX <= .528 MGD 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