Tamarack WWTP
Tamarack, MN · Aitkin County · Publicly Owned Treatment Works
- Average flow
- 0.0036 MGD
- Design flow
- 0.01 MGD
- NPDES permit
- MN0064564
- Expired
- Permit expires
- August 2024
- Population served
- —
- CWNS 2022
Tamarack WWTP is a publicly owned wastewater treatment works in Tamarack, Aitkin County, Minnesota treating an average of 0.0036 million gallons per day against a permitted design capacity of 0.01 MGD. It discharges under NPDES permit MN0064564 (expired), which expires in August 2024, with 104 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Treatment structure data not yet analyzed for this facility.
Compliance snapshot (last 3 years)
- Total violations
- 104
- Effluent violations
- 61
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Tamarack WWTP.
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Nearby wastewater treatment plants in Minnesota
Mcgregor · 10 mi away
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East Lake · 10 mi away
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Cromwell · 11 mi away
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Kettle River · 16 mi away
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Palisade · 18 mi away
0.007 MGD
Barnum · 20 mi away
—
Floodwood · 21 mi away
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Moose Lake · 21 mi away
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Tamarack 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 March 15, 2025.