Bay City Wastewater Treatment Plant
Bay City, MI · Bay County · Publicly Owned Treatment Works
- Average flow
- 6.6 MGD
- Design flow
- —
- NPDES permit
- MI0022284
- Administratively continued
- Permit expires
- October 2015
- Population served
- 46,680
- CWNS 2022
Bay City Wastewater Treatment Plant is a publicly owned wastewater treatment works in Bay City, Bay County, Michigan treating an average of 6.6 million gallons per day, serving about 46,680 residents. Treatment on site includes clarifiers, biogas balloons. It discharges under NPDES permit MI0022284 (administratively continued), which expires in October 2015, with 25 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
- 25
- Effluent violations
- 25
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Capital improvement projects in Bay City
Bay City's capital improvement plan lists 22 water, sewer and wastewater line items worth $24M starting 2024–2029. The largest budgeted items are shown here.
All water and sewer capital projects in Bay City →
| Project | Budget | Years |
|---|---|---|
| New Preliminary Grit Removal System | $6,000,000 | 2029–2030 |
| Rehabilitation Project Construction | $4,500,000 | 2024–2030 |
| Flushing System Rehab at the RTBs | $3,450,000 | 2027–2029 |
| Biological Process Replacement Project | $2,391,474 | 2025–2026 |
| Trickling Filters | $1,762,227 | 2024–2025 |
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
36 verified contacts for Bay City Wastewater Treatment Plant, with validated emails and direct phone numbers.
Unlock 36 verified contacts (33 more than shown)
Names, validated emails and direct phone numbers for decision-makers at Bay City Wastewater Treatment Plant, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Michigan
Bay City · 1 mi away
4 MGD
Saginaw · 10 mi away
0.79 MGD
Saginaw · 10 mi away
13.41 MGD
Reese · 13 mi away
—
Freeland · 13 mi away
1.16 MGD
Saginaw · 16 mi away
3.24 MGD
Bridgeport · 18 mi away
0.97 MGD
Pinconning · 18 mi away
0.12 MGD
Bay City Wastewater 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 September 11, 2026; facility record last updated May 19, 2025.