Detroit Lakes WWTP
1150 W Willow St, Detroit Lakes, MN 56501 · Becker County · Publicly Owned Treatment Works
- Average flow
- 1.04 MGD
- Design flow
- 2.21 MGD
- NPDES permit
- MN0020192
- Expired
- Permit expires
- April 2026
- Population served
- 9,869
- CWNS 2022
Detroit Lakes WWTP is a publicly owned wastewater treatment works in Detroit Lakes, Becker County, Minnesota treating an average of 1.04 million gallons per day against a permitted design capacity of 2.21 MGD, serving about 9,869 residents. It discharges under NPDES permit MN0020192 (expired), which expires in April 2026, with 3 recorded violations in the last three years.
Treatment technology
2 treatment structures and unit processes identified at Detroit Lakes WWTP.
Available with a free Klarifi account
See the full treatment train at Detroit Lakes WWTP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 3
- Effluent violations
- 3
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Capital improvement projects in Detroit Lakes
Detroit Lakes's capital improvement plan lists 7 water, sewer and wastewater line items worth $13M starting 2026–2029. The largest budgeted items are shown here.
All water and sewer capital projects in Detroit Lakes →
| Project | Budget | Years |
|---|---|---|
| 300k GAL Water Tower (South Side) | $2,480,000 | 2029–2029 |
| Main St. - Street & Utility Reconstruction | $2,392,000 | 2027–2027 |
| Bowling Ave. - Street & Utility Reconstruction | $2,164,000 | 2027–2027 |
| Union St. - Street & Utility Reconstruction | $2,083,000 | 2027–2027 |
| Central Street - Street & Utility Reconstruction | $1,901,000 | 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
1 verified contact for Detroit Lakes WWTP, with validated emails and direct phone numbers.
Unlock 1 verified contact
Names, validated emails and direct phone numbers for decision-makers at Detroit Lakes WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Minnesota
Audubon · 7 mi away
—
Callaway · 12 mi away
0.13 MGD
Lake Park · 13 mi away
—
White Earth · 19 mi away
0.09 MGD
Pelican Rapids · 19 mi away
0.38 MGD
Ogema · 20 mi away
0.07 MGD
Hawley · 22 mi away
0.17 MGD
Hitterdal · 23 mi away
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Detroit 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 March 6, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Equalization tank · Centrate · all terms