Chino
Chino, CA · San Bernardino County · Publicly Owned Treatment Works
- Average flow
- 6.4 MGD
- Design flow
- 85 MGD
- NPDES permit
- CA8000409
- Effective
- Permit expires
- July 2027
- Population served
- 125,940
- CWNS 2022
Chino is a publicly owned wastewater treatment plant in Chino, San Bernardino County, California treating an average of 6.4 million gallons per day against a permitted design capacity of 85 MGD, serving about 125,940 residents. Treatment on site includes clarifiers, biogas silos. It discharges under NPDES permit CA8000409 (effective), which expires in July 2027, with 519 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
- 519
- Effluent violations
- 36
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Capital improvement projects in Chino
Chino's capital improvement plan lists 27 water, sewer and wastewater line items worth $90M starting 2025–2027. The largest budgeted items are shown here.
All water and sewer capital projects in Chino →
| Project | Budget | Years |
|---|---|---|
| State Street Water Treatment Project | $16,591,856 | 2025–2026 |
| Phillips Reservoir 2 Demo | $7,995,000 | 2025–2030 |
| Sewer Rehab FY2026- Grand Ave-Pipeline to Roswell, Roswell Ave-Grand Ave to Schaefer | $6,172,500 | 2026–2030 |
| 790 Booster Pumps | $5,600,000 | 2026–2028 |
| Benson Water Treatment Facility Emergency Power Generator Project- Design | $4,553,000 | 2027–2028 |
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
5 verified contacts for Chino, with validated emails and direct phone numbers.
Unlock 5 verified contacts (2 more than shown)
Names, validated emails and direct phone numbers for decision-makers at Chino, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in California
Corona · 5 mi away
8.54 MGD
Corona · 6 mi away
7.64 MGD
Pomona · 9 mi away
—
Riverside · 12 mi away
27.72 MGD
Colton · 19 mi away
21.06 MGD
Colton · 20 mi away
—
Whittier · 21 mi away
28.38 MGD
Irvine · 23 mi away
6.99 MGD
Chino: 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 May 10, 2025.