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Nasa John C Stennis Space Center

Federal facility (Space Research And Technology), John C Stennis Space Center, Mississippi. NPDES permit MS0021610, in force until Jan 31, 2028. Last 12 months: over a limit 6 times (last August 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due

About 28 days after each period: outfall 001 form A monthly (17 values), outfall 002 form A monthly (14 values), outfall 011 form A monthly (8 values), outfall 008 form Y yearly, outfall 010 form Y yearly

Renewal application due

Aug 4, 2027 · 180 days before expiry; your permit may set another date

Last report on file

August 2026

Oct 2024 – Sep 2025

20 values over a limit, 0 required values missing, 0 of 38 reports late

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

Limits in force (67)

How strict are these limits?

• BOD, carbonaceous [5 day, 20 C], monthly average 10 mg/L — stricter than 43% of 64 other minor federal facilities nationwide; 50% have the same limit
• Oxygen, dissolved [DO], minimum at least 6 mg/L — stricter than 40% of 20 other minor federal facilities nationwide; 40% have the same limit
• BOD, carbonaceous [5 day, 20 C], daily maximum 15 mg/L — stricter than 30% of 30 other minor federal facilities nationwide; 60% have the same limit

Cited limits by parameter: Mississippi's rules and the federal ones.

Same industry: the 9 Administration of Economic Programs permits in Mississippi.

On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/MS0021610 · MCP: https://passage-data.com/mcp