Lompoc Wastewater Plant
Lompoc, CA · Santa Barbara County · Publicly Owned Treatment Works
- Average flow
- —
- Design flow
- 5.5 MGD
- NPDES permit
- CA0048127
- Effective
- Permit expires
- April 2027
- Population served
- 53,937
- CWNS 2022
Lompoc Wastewater Plant is a publicly owned wastewater treatment works in Lompoc, Santa Barbara County, California, serving about 53,937 residents. Treatment on site includes clarifiers, aerated lagoons, uncovered lagoons, carrousels / oxidation ditches, biogas silos. It discharges under NPDES permit CA0048127 (effective), which expires in April 2027, with 11 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Compliance snapshot (last 3 years)
- Total violations
- 11
- Effluent violations
- 10
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Capital improvement projects in Lompoc
Lompoc's capital improvement plan lists 23 water, sewer and wastewater line items worth $35M starting 2026–2027. The largest budgeted items are shown here.
All water and sewer capital projects in Lompoc →
| Project | Budget | Years |
|---|---|---|
| Wastewater Distribution System Renovation and Replacement Program | $20,700,000 | 2026–2031 |
| Headworks Improvement | $3,485,000 | 2026–2028 |
| Tank Asset Management Program | $3,045,000 | 2026–2031 |
| West Central Ave sewer pipeline and manhole replacement | $2,150,000 | 2026–2031 |
| Lime Slakers | $1,925,000 | 2026–2026 |
Full project details — scope, funding source, engineering consultant and the decision-makers behind each project — are available in Klarifi, along with similar wastewater capital projects in other cities.
Key contacts
1 verified contact for Lompoc Wastewater Plant, with validated emails and direct phone numbers.
Unlock 1 verified contact
Names, validated emails and direct phone numbers for decision-makers at Lompoc Wastewater Plant, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in California
Oceano · 31 mi away
—
Pismo Beach · 34 mi away
0.93 MGD
Avila Beach · 39 mi away
0.07 MGD
Goleta · 40 mi away
—
San Luis Obispo · 42 mi away
4.23 MGD
San Luis Obispo · 47 mi away
—
Santa Barbara · 48 mi away
—
Santa Barbara · 50 mi away
0.58 MGD
Lompoc Wastewater Plant: frequently asked questions
Sources and methodology
Flow, permit and violation figures come from the EPA's ICIS-NPDES discharge monitoring records. Population served comes from the Clean Watersheds Needs Survey 2022. Treatment structures are identified by Klarifi's review of aerial imagery, and capital improvement projects are extracted from published municipal budget documents. Violations are counted over the last three years of monitoring reports.
Data refreshed September 11, 2026; facility record last updated March 18, 2025.