PORT O'CONNOR IMPROVEMENT DISTRICT

NPDES permit TX0135232 · Minor NON-POTW · administratively continued, expires 2025-08-20 · 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 2025-08-20 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

6values over a limit

0required values missing, on 0 form(s)

2of 11 forms filed late

Last period with anything received: 2026-07-31. Most often over: Flow, in conduit or thru treatment plant (5), pH (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).

Outfall 001, form A (WASTEWATER DISCHARGE - 001): every 1 month(s), 5 values

Limits in force (5)

Outfall	Parameter	Statistic	Limit	Months
001	Oxygen demand, chem. [high level] [COD]	DAILY MX	report only	all year
001	pH	MINIMUM	>= 6 SU	all year
001	pH	MAXIMUM	<= 9 SU	all year
001	Flow, in conduit or thru treatment plant	DAILY AV	<= .216 MGD	all year
001	Flow, in conduit or thru treatment plant	DAILY MX	<= .432 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