4W Oil Co., LLC

NPDES permit NE0130656 · Minor NON-POTW · effective, expires 2027-06-30 · EPA's file as of 2026-09-19

Check this month's numbers before you file

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

0values over a limit
22required values missing, on 5 form(s)
13of 26 forms filed late

Last period with anything received: 2026-07-31.

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 (18)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheitMO AVG report only all year
001Temperature, water deg. fahrenheitDAILY MX report only all year
001pHDAILY MN >= 6.5 SU all year
001pHDAILY MX <= 9 SU all year
001Oil and grease, hexane extr methodMO AVG report only all year
001Oil and grease, hexane extr methodDAILY MX <= 10 mg/L all year
001TolueneMO AVG report only all year
001TolueneDAILY MX report only all year
001BenzeneMO AVG report only all year
001BenzeneDAILY MX report only all year
001EthylbenzeneMO AVG report only all year
001EthylbenzeneDAILY MX report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Xylene [mix of m+o+p]MO AVG report only all year
001Xylene [mix of m+o+p]DAILY MX report only all year
CRDWell fluids, volumeMO AVG report only all year
CRDWell fluids, volumeDAILY MX report only 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