Hoyt Lakes WWTP
Leeds Rd, Hoyt Lakes, MN 55750 · Saint Louis County · Publicly Owned Treatment Works
- Average flow
- 0.31 MGD
- Design flow
- 0.68 MGD
- NPDES permit
- MN0020206
- Expired
- Permit expires
- December 2025
- Population served
- 4,033
- CWNS 2022
Hoyt Lakes WWTP is a publicly owned wastewater treatment works in Hoyt Lakes, Saint Louis County, Minnesota treating an average of 0.31 million gallons per day against a permitted design capacity of 0.68 MGD, serving about 4,033 residents. It discharges under NPDES permit MN0020206 (expired), which expires in December 2025, with 3 recorded violations in the last three years.
Treatment technology
2 treatment structures and unit processes identified at Hoyt Lakes WWTP.
Available with a free Klarifi account
See the full treatment train at Hoyt Lakes WWTP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 3
- 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 Hoyt Lakes WWTP.
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Nearby wastewater treatment plants in Minnesota
Aurora · 5 mi away
0.24 MGD
Biwabik · 9 mi away
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Mckinley · 12 mi away
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Gilbert · 14 mi away
0.26 MGD
Babbitt · 16 mi away
0.2 MGD
Virginia · 19 mi away
1.03 MGD
Eveleth · 19 mi away
0.31 MGD
Mountain Iron · 22 mi away
0.28 MGD
Hoyt Lakes 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 October 26, 2026; facility record last updated September 14, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Sludge dewatering · Biological nutrient removal · all terms