How much wastewater does Noblesville Wwtp, City Of treat?

Noblesville Wwtp, City Of treats an average of 6.05 MGD and is permitted for a design flow of 10 MGD.

What treatment technology does Noblesville Wwtp, City Of use?

Klarifi has identified clarifiers, biogas silos at the Noblesville facility.

What is the NPDES permit for Noblesville Wwtp, City Of?

The facility discharges under NPDES permit IN0020168, currently effective, expiring May 2031.

Is Noblesville Wwtp, City Of in compliance?

Discharge monitoring reports show 2 violations at Noblesville Wwtp, City Of in the last three years, 1 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Noblesville Wwtp, City Of and how do I contact them?

Noblesville Wwtp, City Of is a publicly owned treatment works in Noblesville, Indiana. Klarifi lists 7 verified decision-maker contacts for this facility, available with a free trial.

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Noblesville Wwtp, City Of

Noblesville, IN · Hamilton County · Publicly Owned Treatment Works

Average flow: 6.05 MGD

Design flow: 10 MGD

NPDES permit: IN0020168; Effective

Permit expires: May 2031

Population served: 29,891; CWNS 2022

Noblesville Wwtp, City Of is a publicly owned wastewater treatment works in Noblesville, Hamilton County, Indiana treating an average of 6.05 million gallons per day against a permitted design capacity of 10 MGD, serving about 29,891 residents. Treatment on site includes clarifiers, biogas silos. It discharges under NPDES permit IN0020168 (effective), which expires in May 2031, with 2 recorded violations in the last three years.

Treatment technology

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

Clarifiers

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Biogas silos

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Compliance snapshot (last 3 years)

Total violations: 2

Effluent violations: 1

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

Key contacts

7 verified contacts for Noblesville Wwtp, City Of, with validated emails and direct phone numbers.

Unlock 7 verified contacts (4 more than shown)

Names, validated emails and direct phone numbers for decision-makers at Noblesville Wwtp, City Of, plus the full compliance history and discharge data.

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Noblesville Wwtp, City Of: 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 29, 2025.

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