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University of California, San Diego

Colleges And Universities, San Diego, California. NPDES permit CA0107239, in force until Apr 30, 2028. Last 12 months: over a limit once (last June 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due

About 32 days after each period: outfall 001 form A twice a year (4 values), outfall 002 form A twice a year (4 values), outfall 003 form A twice a year (4 values), outfall 004A form A twice a year (4 values), outfall 004B form A twice a year (4 values), outfall 001 form S twice a year, and 11 more forms

Renewal application due

Nov 2, 2027 · 180 days before expiry; your permit may set another date

Last report on file

June 2026

Oct 2024 – Sep 2025

0 values over a limit, 0 required values missing, 0 of 86 reports late

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

Limits in force (1,323)

How strict are these limits?

• Di[2-ethylhexyl] phthalate [DEHP], monthly average 28 ug/L — stricter than 38% of 21 other minor industrial and other permits nationwide
• Cyanide, total [as CN], daily maximum 32 ug/L — stricter than 37% of 104 other minor industrial and other permits nationwide
• Chromium, hexavalent [as Cr], daily maximum 64 ug/L — stricter than 11% of 45 other minor industrial and other permits nationwide

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