Cbpu Waste Water Treatment Plant
100 Jay St, Coldwater, MI 49036 · Branch County · Publicly Owned Treatment Works
- Average flow
- 3.54 MGD
- Design flow
- —
- NPDES permit
- MI0020117
- Administratively continued
- Permit expires
- October 2026
- Population served
- 12,941
- CWNS 2022
Cbpu Waste Water Treatment Plant is a publicly owned wastewater treatment works in Coldwater, Branch County, Michigan treating an average of 3.54 million gallons per day, serving about 12,941 residents. It discharges under NPDES permit MI0020117 (administratively continued), which expires in October 2026, with 10 recorded violations in the last three years.
Treatment technology
4 treatment structures and unit processes identified at Cbpu Waste Water Treatment Plant.
Available with a free Klarifi account
See the full treatment train at Cbpu Waste Water Treatment Plant: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 10
- Effluent violations
- 10
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
6 verified contacts for Cbpu Waste Water Treatment Plant, with validated emails and direct phone numbers.
Unlock 6 verified contacts (3 more than shown)
Names, validated emails and direct phone numbers for decision-makers at Cbpu Waste Water Treatment Plant, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Michigan
Quincy · 8 mi away
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Bronson · 10 mi away
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Tekonsha · 10 mi away
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Union City · 11 mi away
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Reading · 16 mi away
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Jonesville · 18 mi away
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Homer · 18 mi away
0.95 MGD
Camden · 19 mi away
0.71 MGD
Cbpu 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 April 4, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · WWTP · Biosolids · all terms