SANTA ANITA PARK
NPDES ID: CA0064203
X — SNC: Effluent violation (non-monthly average limit)
The facility discharged more of a pollutant than its permit allows, measured over a period other than a monthly average.
Violations
December 31, 2025
E. coli
963% over limit
Discharged 17000 MPN/100mL against a permitted limit of 1600 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
March 31, 2025
pH
0% over limit
Discharged 8.6 SU against a permitted limit of 8.5 SU (MAXIMUM)
DMR, Limited - Numeric Violation
December 31, 2024
E. coli
Limit violation
Discharged 1600 MPN/100mL against a permitted limit of 1600 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
Chromium, trivalent [as Cr]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
E. coli
Limit violation
Discharged 1600 MPN/100mL against a permitted limit of 1600 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
Chromium, hexavalent [as Cr]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (23 days ago)