City Of Grand Rapids Wastewater Treatment Plant
Grand Rapids, MI · Kent County · Publicly Owned Treatment Works
- Average flow
- 33.4 MGD
- Design flow
- —
- NPDES permit
- MI0026069
- Effective
- Permit expires
- October 2029
- Population served
- 344,538
- CWNS 2022
City Of Grand Rapids Wastewater Treatment Plant is a publicly owned wastewater treatment works in Grand Rapids, Kent County, Michigan treating an average of 33.4 million gallons per day, serving about 344,538 residents. Treatment on site includes clarifiers, aerated lagoons, biogas silos, biogas balloons. It discharges under NPDES permit MI0026069 (effective), which expires in October 2029, with 9 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Clarifiers
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Aerated lagoons
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Biogas silos
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Biogas balloons
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Compliance snapshot (last 3 years)
- Total violations
- 9
- Effluent violations
- 1
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Capital improvement projects in Grand Rapids
Grand Rapids's capital improvement plan lists 64 water, sewer and wastewater line items worth $174M starting 2025–2029. The largest budgeted items are shown here.
All water and sewer capital projects in Grand Rapids →
| Project | Budget | Years |
|---|---|---|
| 5922 - LMFP Residuals Handling Improvements (DWRF) | $30,000,000 | 2029–2029 |
| Cascade - PFAS Phase Watermain Extension | $11,263,050 | 2025–2025 |
| 8352-2025 Rotmill Lead Service Line Replacements | $9,000,000 | 2025–2025 |
| 8354-FY26 Rotomill Projects - Lead Service Line Replacements | $9,000,000 | 2026–2026 |
| 8468 - FY27-Rotomill Project - Lead Service Line Replacement | $9,000,000 | 2027–2027 |
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
10 verified contacts for City Of Grand Rapids Wastewater 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 Grand Rapids Wastewater Treatment Plant, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Michigan
Grandville · 3 mi away
14.38 MGD
Grand Rapids · 8 mi away
3.48 MGD
Allendale · 9 mi away
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Coopersville · 13 mi away
1.94 MGD
Sparta · 15 mi away
0.47 MGD
Caledonia · 16 mi away
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Conklin · 16 mi away
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Middleville · 17 mi away
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City Of Grand Rapids 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 August 7, 2026.