Green Lake Wwsl
4315 5th Street, Caledonia, MI 49316 · Kent County · Publicly Owned Treatment Works
- Average flow
- 0.04 MGD
- Design flow
- —
- NPDES permit
- MIG580393
- Administratively continued
- Permit expires
- April 2024
- Population served
- —
- CWNS 2022
Green Lake Wwsl is a publicly owned wastewater treatment plant in Caledonia, Kent County, Michigan treating an average of 0.04 million gallons per day. It discharges under NPDES permit MIG580393 (administratively continued), which expires in April 2024, with 2 recorded violations in the last three years.
Treatment technology
2 treatment structures and unit processes identified at Green Lake Wwsl.
Available with a free Klarifi account
See the full treatment train at Green Lake Wwsl: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 2
- Effluent violations
- 2
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Green Lake Wwsl.
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Shelbyville · 11 mi away
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Hopkins · 12 mi away
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Grandville · 15 mi away
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Grand Rapids · 16 mi away
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Lowell · 18 mi away
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Allegan · 19 mi away
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Plainwell · 20 mi away
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Green Lake Wwsl: 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 3, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Lift station · Sludge dewatering · all terms