Calera Creek Wrp
700 Pacific Coast Hwy, Pacifica, CA 94044 · San Mateo County · Publicly Owned Treatment Works
- Average flow
- 2.59 MGD
- Design flow
- 4 MGD
- NPDES permit
- CA0038776
- Effective
- Permit expires
- November 2027
- Population served
- 33,378
- CWNS 2022
Calera Creek Wrp is a publicly owned wastewater treatment plant in Pacifica, San Mateo County, California treating an average of 2.59 million gallons per day against a permitted design capacity of 4 MGD, serving about 33,378 residents. It discharges under NPDES permit CA0038776 (effective), which expires in November 2027, with 4 recorded violations in the last three years. EPA has recorded 1 formal enforcement action naming the plant, the latest in April 2009.
Treatment technology
Treatment structures and unit processes at Calera Creek Wrp.
Treatment structure data not yet analyzed for this facility.
Compliance snapshot (last 3 years)
- Total violations
- 4
- Effluent violations
- 4
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
EPA enforcement history
Federal civil enforcement cases, compliance inspections and informal actions recorded for Calera Creek Wrp in EPA's ICIS system.
- Formal actions
- 1
- 0 since FY2020
- EPA inspections
- 0
- none on record
Latest case · Apr 2009
Pacifica AO
Administrative order · CWA, Sewage Sludge Disposal · Unilateral Administrative Order Without Adjudication
EPA's description of the case:
“The City of Pacifica violated federal sewage sludge standards (40 CFR 503) when it land applied biosolids from its Calera Creek Water Recycling Plant that did not comply with federal fecal coliform…”
Unlock EPA's full description by creating a free account on Klarifi. Create a free account →
Source: EPA ECHO, civil enforcement case 09-2009-1531.
Full case history with a free Klarifi account
Every action against Calera Creek Wrp with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Capital improvement projects in Pacifica
Pacifica's capital improvement plan lists 32 water, sewer and wastewater line items worth $61M starting 2024–2027. The largest budgeted items are shown here.
All water and sewer capital projects in Pacifica →
| Project | Budget | Years |
|---|---|---|
| Collection System Rehabilitation & Replacement Projects: Vallemar and Rockaway Beach Avenue | $17,916,000 | 2025–2028 |
| CCWRP Headworks Feasibility and Improvements | $8,230,000 | 2024–2027 |
| Ultraviolet Disinfection System Upgrade | $7,450,000 | 2024–2026 |
| Lower Linda Mar Rehabilitation and Repair Project (Renamed) | $6,334,000 | 2024–2025 |
| Relocation of Sewer Mainline at SF RV Park | $3,700,000 | 2026–2029 |
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
15 verified contacts for Calera Creek Wrp, with validated emails and direct phone numbers.
Unlock 15 verified contacts (12 more than shown)
Names, validated emails and direct phone numbers for decision-makers at Calera Creek Wrp, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in California
San Francisco · 6 mi away
—
Burlingame · 7 mi away
—
Half Moon Bay · 10 mi away
—
San Francisco · 10 mi away
72.75 MGD
San Mateo · 11 mi away
—
Sausalito · 16 mi away
—
Oakland · 18 mi away
—
Mill Valley · 19 mi away
—
Calera Creek Wrp: 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 October 26, 2026; facility record last updated September 1, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Filter press · FOG · all terms