Pinole WWTF
11 Tennent Avenue, Pinole, CA 94564 · Contra Costa County · Publicly Owned Treatment Works
- Average flow
- —
- Design flow
- 4.06 MGD
- NPDES permit
- CA0037796
- Effective
- Permit expires
- July 2028
- Population served
- 79,780
- CWNS 2022
Pinole WWTF is a publicly owned wastewater treatment works in Pinole, Contra Costa County, California, serving about 79,780 residents. It discharges under NPDES permit CA0037796 (effective), which expires in July 2028, with 2 recorded violations in the last three years.
Treatment technology
2 treatment structures and unit processes identified at Pinole WWTF.
Available with a free Klarifi account
See the full treatment train at Pinole WWTF: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 2
- Effluent violations
- 0
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 Pinole WWTF in EPA's ICIS system.
- Formal actions
- 0
- none on record
- EPA inspections
- 1
- latest Feb 2012
No formal federal enforcement case is on record for this plant.
Full case history with a free Klarifi account
Every action against Pinole WWTF with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Key contacts
Decision-makers at Pinole WWTF.
No verified contacts on file yet
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Nearby wastewater treatment plants in California
Rodeo · 3 mi away
—
Vallejo · 6 mi away
—
Benicia · 8 mi away
—
Martinez · 11 mi away
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Tiburon · 12 mi away
0.000000013 MGD
American Canyon · 12 mi away
—
Martinez · 12 mi away
—
Oakland · 13 mi away
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Pinole WWTF: 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 5, 2026; facility record last updated March 3, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Centrate · Ozonation · all terms