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.
Violations
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
September 30, 2024
TU Static 4 Day Chronic Raphidocelis subcapitata (formerly Selenastrum capricornutum)
40% over limit
Discharged 1.4 toxic against a permitted limit of 1 toxic (DAILY MX)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (24 days ago)