Alvarado WWTP
155 Marshall St, Alvarado, MN 56710 · Marshall County · Publicly Owned Treatment Works
- Average flow
- —
- Design flow
- 0.08 MGD
- NPDES permit
- MNG585171
- Effective
- Permit expires
- November 2028
- Population served
- 389
- CWNS 2022
Alvarado WWTP is a publicly owned wastewater treatment works in Alvarado, Marshall County, Minnesota, serving about 389 residents. It discharges under NPDES permit MNG585171 (effective), which expires in November 2028, with 1 recorded violation in the last three years.
Treatment technology
One treatment structure or unit process identified at Alvarado WWTP.
Available with a free Klarifi account
See the full treatment train at Alvarado WWTP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 1
- Effluent violations
- 1
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Alvarado WWTP.
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Nearby wastewater treatment plants in Minnesota
Oslo · 5 mi away
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Warren · 10 mi away
0.16 MGD
Argyle · 14 mi away
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Viking · 27 mi away
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Fisher Township · 29 mi away
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Kennedy · 32 mi away
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Crookston · 33 mi away
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New Folden Township · 33 mi away
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Alvarado 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 6, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Significant industrial user · WWTP · all terms