United States Space Force - Cavalier SFS

NPDES permit ND0023868 · Minor FEDERAL · effective, expires 2031-06-30 · 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

1values over a limit
3required values missing, on 1 form(s)
1of 2 forms filed late

Last period with anything received: 2026-06-30. Most often over: Solids, total suspended (1).

Reporting

Reports are due about 32 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (14)

OutfallParameterStatisticLimitMonths
004BOD, 5-day, 20 deg. CDAILY MN report only all year
004BOD, 5-day, 20 deg. CMO AVG <= 25 mg/L all year
004BOD, 5-day, 20 deg. CDAILY MX <= 45 mg/L all year
004pHMINIMUM >= 6 SU all year
004pHMAXIMUM <= 9 SU all year
004Solids, total suspendedDAILY MN report only all year
004Solids, total suspendedMO AVG <= 30 mg/L all year
004Solids, total suspendedDAILY MX <= 45 mg/L all year
004Oil & GreaseDAILY MN report only all year
004Oil & GreaseAVERAGE report only all year
004Oil & GreaseDAILY MX <= 10 mg/L all year
004Flow, totalTOTAL report only all year
004Duration of dischargeTOTAL report only all year
004Oil and grease visualVALUE 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