Holland WWTP
Holland, MI · Ottawa County · Publicly Owned Treatment Works
- Average flow
- 8.7 MGD
- Design flow
- —
- NPDES permit
- MI0023108
- Effective
- Permit expires
- October 2028
- Population served
- 55,389
- CWNS 2022
Holland WWTP is a publicly owned wastewater treatment works in Holland, Ottawa County, Michigan treating an average of 8.7 million gallons per day, serving about 55,389 residents. Treatment on site includes clarifiers, carrousels / oxidation ditches, biogas silos, biogas balloons. It discharges under NPDES permit MI0023108 (effective), which expires in October 2028, with 0 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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Carrousels / oxidation ditches
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Biogas silos
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Biogas balloons
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Compliance snapshot (last 3 years)
- Total violations
- 0
- Effluent violations
- 0
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Capital improvement projects in Holland
Holland's capital improvement plan lists 11 water, sewer and wastewater line items worth $31M starting 2025–2026. The largest budgeted items are shown here.
All water and sewer capital projects in Holland →
| Project | Budget | Years |
|---|---|---|
| Wastewater Reuse at Pease WWTF | $8,300,000 | 2025–2027 |
| Peirce Island Wastewater Treatment Facility | $4,900,000 | 2025–2027 |
| Water Storage Tanks Improvements | $4,400,000 | 2025–2027 |
| Long Term Control Plan Related Projects | $3,000,000 | 2026–2028 |
| Annual Sewer Line Replacement | $2,000,000 | 2026–2028 |
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
1 verified contact for Holland WWTP, with validated emails and direct phone numbers.
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Names, validated emails and direct phone numbers for decision-makers at Holland WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Michigan
Zeeland · 5 mi away
2.5 MGD
Hamilton · 9 mi away
—
Saugatuck · 10 mi away
1.6 MGD
Allendale · 17 mi away
—
Grand Haven · 19 mi away
2.82 MGD
Coopersville · 20 mi away
1.94 MGD
Grandville · 21 mi away
14.38 MGD
Hopkins · 21 mi away
—
Holland WWTP: 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 June 17, 2026.