Beaver Bay WWTP
1002 Main St, Silver Bay, MN 55614 · Lake County · Publicly Owned Treatment Works
- Average flow
- —
- Design flow
- 0.04 MGD
- NPDES permit
- MN0040754
- Expired
- Permit expires
- December 2025
- Population served
- 196
- CWNS 2022
Beaver Bay WWTP is a publicly owned wastewater treatment works in Silver Bay, Lake County, Minnesota, serving about 196 residents. It discharges under NPDES permit MN0040754 (expired), which expires in December 2025, with 125 recorded violations in the last three years.
Treatment technology
One treatment structure or unit process identified at Beaver Bay WWTP.
Available with a free Klarifi account
See the full treatment train at Beaver Bay WWTP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 125
- Effluent violations
- 7
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
1 verified contact for Beaver Bay WWTP, with validated emails and direct phone numbers.
Unlock 1 verified contact
Names, validated emails and direct phone numbers for decision-makers at Beaver Bay WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Minnesota
Silver Bay · 3 mi away
—
Two Harbors · 24 mi away
0.76 MGD
Hoyt Lakes · 43 mi away
0.31 MGD
Babbitt · 43 mi away
0.2 MGD
Aurora · 47 mi away
0.24 MGD
Winton · 51 mi away
—
Biwabik · 51 mi away
—
Ely · 51 mi away
0.61 MGD
Beaver Bay 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 November 7, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Ozonation · Activated sludge · all terms