RI AIR NATIONAL GUARD, 143rd AW/EM

NPDES permit RI0021555 · Minor FEDERAL · effective, expires 2026-12-31 · 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 8 forms filed late

Last period with anything received: 2026-06-30.

Reporting

Reports are due about 15 days after each monitoring period ends (the most common figure among RI permits in EPA's filings — check your permit).

Limits in force (46)

OutfallParameterStatisticLimitMonths
100Solids, total suspendedDAILY MX <= 20 mg/L all year
100Solids, total suspendedDAILY MX <= 20 mg/L all year
100Oil & GreaseDAILY MX <= 15 mg/L all year
100Oil & GreaseDAILY MX <= 15 mg/L all year
100TolueneDAILY MX report only all year
100TolueneDAILY MX report only all year
100BenzeneDAILY MX report only all year
100BenzeneDAILY MX report only all year
100AcenaphthyleneDAILY MX report only all year
100AcenaphthyleneDAILY MX report only all year
100AcenaphtheneDAILY MX report only all year
100AcenaphtheneDAILY MX report only all year
100AnthraceneDAILY MX report only all year
100AnthraceneDAILY MX report only all year
100Benzo[b]fluorantheneDAILY MX report only all year
100Benzo[b]fluorantheneDAILY MX report only all year
100Benzo[k]fluorantheneDAILY MX report only all year
100Benzo[k]fluorantheneDAILY MX report only all year
100Benzo[a]pyreneDAILY MX report only all year
100Benzo[a]pyreneDAILY MX report only all year
100ChryseneDAILY MX report only all year
100ChryseneDAILY MX report only all year
100EthylbenzeneDAILY MX report only all year
100EthylbenzeneDAILY MX report only all year
100FluorantheneDAILY MX report only all year
100FluorantheneDAILY MX report only all year
100FluoreneDAILY MX report only all year
100FluoreneDAILY MX report only all year
100Indeno[1,2,3-cd]pyreneDAILY MX report only all year
100Indeno[1,2,3-cd]pyreneDAILY MX report only all year
100PhenanthreneDAILY MX report only all year
100PhenanthreneDAILY MX report only all year
100PyreneDAILY MX report only all year
100PyreneDAILY MX report only all year
100Benzo[ghi]peryleneDAILY MX report only all year
100Benzo[ghi]peryleneDAILY MX report only all year
100Benzo[a]anthraceneDAILY MX report only all year
100Benzo[a]anthraceneDAILY MX report only all year
100Dibenz[a,h]anthraceneDAILY MX report only all year
100Dibenz[a,h]anthraceneDAILY MX report only all year
100NaphthaleneDAILY MX report only all year
100NaphthaleneDAILY MX report only all year
100Flow, in conduit or thru treatment plantDAILY MX report only all year
100Flow, in conduit or thru treatment plantDAILY MX report only all year
100Xylene [mix of m+o+p]DAILY MX report only all year
100Xylene [mix of m+o+p]DAILY 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