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Mankato Wastewater Treatment Plant

Mankato, MN · Blue Earth County · Publicly Owned Treatment Works

Average flow
6.23 MGD
Design flow
NPDES permit
3604682559
Effective
Permit expires
December 2030

Treatment technology

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

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Biogas silos

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Biogas balloons

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Compliance snapshot (last 3 years)

Total violations
2
Effluent violations
2

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

Capital improvement projects in Mankato

ProjectBudgetYears
Disinfection and Digestion Upgrade$79,798,3602025–2026
2025 - Regional trunk line - engineering work / construction 3rd ave$8,000,0002026–2029
Infra - Mulberry Liftstation Upgrade$4,150,0002025–2026
2028 - Blower Replacement with turbo blowers$3,868,7502025–2028
Balcerzak Tower Rehab$2,050,0002025–2026

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.

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Key contacts

13 verified contacts for Mankato Wastewater Treatment Plant, with validated emails and direct phone numbers.

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Names, validated emails and direct phone numbers for decision-makers at Mankato Wastewater Treatment Plant — plus full compliance history and discharge data.

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

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