Onslow Water and Sewer Authority

NPDES permit NC0083321 · Minor NON-POTW · effective, expires 2028-07-31 · 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.

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

0values over a limit
0required values missing, on 0 form(s)
0of 11 forms filed late

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

Reporting

Reports are due about 31 days after each monitoring period ends (the most common figure among NC permits in EPA's filings — check your permit).

Limits in force (22)

OutfallParameterStatisticLimitMonths
001TurbidityDAILY MX report only all year
001ConductivityDAILY MX report only all year
001ConductivityDAILY MX report only all year
001ConductivityDAILY MX report only all year
001Oxygen, dissolved [DO]DAILY MX report only all year
001pHDAILY MN >= 6.8 SU all year
001pHDAILY MX <= 8.5 SU all year
001pHDAILY MX report only all year
001pHDAILY MX report only all year
001SalinityDAILY MX report only all year
001SalinityDAILY MX report only all year
001SalinityDAILY MX report only all year
001Solids, total suspended30DA AVG <= 10 mg/L all year
001Solids, total suspendedDAILY MX <= 15 mg/L all year
001Chloride [as Cl]DAILY MX report only all year
001Copper, total [as Cu]DAILY MX report only all year
001Lead, total [as Pb]DAILY MX report only all year
001Zinc, total [as Zn]DAILY MX report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Chlorine, total residualDAILY MX <= 13 ug/L all year
001Solids, total dissolvedDAILY MX report only all year
001Duration of dischargeDAILY 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