DENSBURY ONSHORE LLC, OLIVE FIELD EOR FACILITY — NPDES permit MS0059587: limits, due date and EPA's record

NPDES permit MS0059587 · Minor NON-POTW · effective, expires 2031-04-30 · EPA's file as of 2026-09-19

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

Reporting

Reports are due about 28 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (14)

Outfall	Parameter	Statistic	Limit	Months
002	pH	MINIMUM	>= 6 SU	all year
002	pH	MAXIMUM	<= 9 SU	all year
002	Oil and grease, hexane extr method	MO AVG	<= 10 mg/L	all year
002	Oil and grease, hexane extr method	DAILY MX	<= 15 mg/L	all year
002	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
002	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
003	pH	MINIMUM	>= 6 SU	all year
003	pH	MAXIMUM	<= 9 SU	all year
003	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
003	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
004	pH	MINIMUM	>= 6 SU	all year
004	pH	MAXIMUM	<= 9 SU	all year
004	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
004	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year