Lonsdale WWTP

Lonsdale, MN · Rice County · Publicly Owned Treatment Works

Average flow: 0.29 MGD

Design flow: 0.69 MGD

NPDES permit: 3604086896; Effective

Permit expires: July 2029

Treatment technology

Treatment structures identified at this facility. Exact unit counts are available in Klarifi.

Aerated lagoons

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Uncovered lagoons

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Biogas balloons

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Compliance snapshot (last 3 years)

Total violations: 0

Effluent violations: 0

Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.

Key contacts

Contacts for Lonsdale WWTP are available in the Klarifi platform.

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Names, validated emails and direct phone numbers for decision-makers at Lonsdale WWTP — plus full compliance history and discharge data.

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Nearby wastewater treatment plants in Minnesota

Mndot - Heath Creek Rest Area

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New Prague WWTP

New Prague · 10 mi away

0.82 MGD

Northfield WWTP

Northfield · 13 mi away

2.17 MGD

Kilkenny WWTP

Kilkenny · 13 mi away

0.14 MGD

Morristown WWTP

Morristown · 17 mi away

0.11 MGD

Le Center WWTP

Le Center · 17 mi away

0.46 MGD

Smsc Water Reclamation Facili

Prior Lake · 18 mi away

1.04 MGD

Dennison WWTP

Dennison · 19 mi away

0.26 MGD

Data sourced from public EPA / NPDES records and Klarifi analysis. Last updated November 2025.

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