Sibelco North America

NPDES permit NC0000361 · Minor NON-POTW · administratively continued, expires 2016-02-29 · 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 2016-02-29 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
20required values missing, on 10 form(s)
1of 11 forms filed late

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

Reporting

Reports are due about 30 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (17)

OutfallParameterStatisticLimitMonths
001TurbidityDAILY MX report only all year
001TurbidityDAILY MX report only all year
001TurbidityDAILY MX report only all year
001pHDAILY MN >= 6 SU all year
001pHDAILY MX <= 10 SU all year
001pHDAILY MX report only all year
001pHDAILY MX report only all year
001Solids, total suspended30DA AVG <= 450 lb/d all year
001Solids, total suspendedDAILY MX <= 721 lb/d all year
001Solids, total suspendedDAILY MX report only all year
001Solids, total suspendedDAILY MX report only all year
001Solids, settleableDAILY MX report only all year
001Fluoride, total [as F]30DA AVG <= 109 lb/d all year
001Fluoride, total [as F]DAILY MX <= 218 lb/d all year
001Fluoride, total [as F]DAILY MX report only all year
001Fluoride, total [as F]DAILY MX report only all year
001Flow, in conduit or thru treatment plant30DA AVG <= 2.16 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