City Of Tracy Waste Water Treatment Plant
3900 Holly Dr, Tracy, CA 95304 · San Joaquin County · Publicly Owned Treatment Works
- Average flow
- 9.33 MGD
- Design flow
- —
- NPDES permit
- CAL079154
- Effective
- Permit expires
- December 2030
- Population served
- 79,920
- CWNS 2022
City Of Tracy Waste Water Treatment Plant is a publicly owned wastewater treatment works in Tracy, San Joaquin County, California treating an average of 9.33 million gallons per day, serving about 79,920 residents. It discharges under NPDES permit CAL079154 (effective), which expires in December 2030, with 11 recorded violations in the last three years. EPA has recorded 1 formal enforcement action naming the plant, the latest in August 2015.
Treatment technology
2 treatment structures and unit processes identified at City Of Tracy Waste Water Treatment Plant.
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See the full treatment train at City Of Tracy Waste Water Treatment Plant: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 11
- Effluent violations
- 11
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 City Of Tracy Waste Water Treatment Plant in EPA's ICIS system.
- Formal actions
- 1
- 0 since FY2020
- Penalties assessed
- $1,600
- all cases
- Compliance actions
- $3,000
- required by EPA orders
- EPA inspections
- 2
- latest Mar 2009
Latest case · Aug 2015
City of Tracy WWTP
Administrative order · CAA, Prevention of Accidental Release/Risk Management Plans (RMPs) · Final Order With Penalty · Penalty $1,600 · Compliance actions $3,000
EPA's description of the case:
“This is an Expedited Settlement Agreement between US EPA and the City of Tracy Waste Water Treatment Plant(Respondent) in CA, for violation of the Clean Air Act Section 112(r) requirement to review…”
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Source: EPA ECHO, civil enforcement case 09-2015-3505.
Full case history with a free Klarifi account
Every action against City Of Tracy Waste Water Treatment Plant with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Key contacts
10 verified contacts for City Of Tracy Waste Water Treatment Plant, with validated emails and direct phone numbers.
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Names, validated emails and direct phone numbers for decision-makers at City Of Tracy Waste Water Treatment Plant, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in California
Mountain House · 6 mi away
1.42 MGD
Manteca · 9 mi away
6.91 MGD
Discovery Bay · 13 mi away
1.08 MGD
Stockton · 13 mi away
28.94 MGD
Brentwood · 20 mi away
2.88 MGD
Livermore · 22 mi away
—
Oakley · 22 mi away
2.81 MGD
Lodi · 23 mi away
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City Of Tracy Waste Water Treatment 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 October 26, 2026; facility record last updated March 27, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Biosolids · Filter press · all terms