Two Harbors WWTP
Two Harbors, MN · Lake County · Publicly Owned Treatment Works
- Average flow
- 0.77 MGD
- Design flow
- 1.6 MGD
- NPDES permit
- MN0022250
- Effective
- Permit expires
- October 2030
- Population served
- 3,941
- CWNS 2022
Two Harbors WWTP is a publicly owned wastewater treatment works in Two Harbors, Lake County, Minnesota treating an average of 0.77 million gallons per day against a permitted design capacity of 1.6 MGD, serving about 3,941 residents. It discharges under NPDES permit MN0022250 (effective), which expires in October 2030, with 4 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
- 4
- Effluent violations
- 4
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Capital improvement projects in Two Harbors
Two Harbors's capital improvement plan lists 4 water, sewer and wastewater line items worth $3M starting 2025–2026. The largest budgeted items are shown here.
All water and sewer capital projects in Two Harbors →
| Project | Budget | Years |
|---|---|---|
| MN DOT - TH61 Reconstruction - Watermain Replacement - 4th St to RR Bridge | $1,650,000 | 2025–2025 |
| MN DOT - TH61 Reconstruction - Sanitary Sewer Replacement - 4th St to RR Bridge | $1,270,000 | 2026–2026 |
| MN DOT - TH61 Reconstruction - Replace Sanitary Sewer Crossing at 11th St. | $100,000 | 2026–2026 |
| Truck Replacement | $38,000 | 2026–2026 |
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
Decision-makers at Two Harbors WWTP.
No verified contacts on file yet
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Nearby wastewater treatment plants in Minnesota
Silver Bay · 24 mi away
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Silver Bay · 27 mi away
—
Hoyt Lakes · 41 mi away
0.31 MGD
Aurora · 44 mi away
0.26 MGD
Biwabik · 47 mi away
—
Mckinley · 48 mi away
—
Gilbert · 50 mi away
0.29 MGD
Babbitt · 50 mi away
0.23 MGD
Two Harbors 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 6, 2025.