LOMPOC REGIONAL WWRF
NPDES ID: CA0048127
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.
This quarter: 2 effluent violations.
Violations
June 30, 2026
TU Static 4 Day Chronic Raphidocelis subcapitata (formerly Selenastrum capricornutum)
20% over limit
Discharged 1.2 toxic against a permitted limit of 1 toxic (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia, tot unionized [as N]
426% over limit
Discharged 0.1315 mg/L against a permitted limit of 0.025 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
December 31, 2025
Aluminum, total recoverable
3640% over limit
Discharged 37.4 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
September 30, 2025
Temperature, water deg. centigrade
0% over limit
Discharged 28 deg C against a permitted limit of 27.9 deg C (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia, tot unionized [as N]
56% over limit
Discharged 0.039 mg/L against a permitted limit of 0.025 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
December 31, 2024
TU Static 4 Day Chronic Raphidocelis subcapitata (formerly Selenastrum capricornutum)
10% over limit
Discharged 1.1 toxic against a permitted limit of 1 toxic (DAILY MX)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (5 months ago)
Last confirmed
September 15, 2026 (5 days ago)