What is the address of Derby Wastewater Treatment?

The address on the plant’s EPA facility record is 1501 South Highway K15, Derby, KS 67037, in Sedgwick County. Its coordinates are 37.5244, -97.2712. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Derby Wastewater Treatment treat?

Derby Wastewater Treatment treats an average of 2.03 MGD.

What treatment technology does Derby Wastewater Treatment use?

Klarifi has identified 2 treatment structures and unit processes at the Derby facility. The full treatment train, with exact unit counts, is shown in Klarifi with a free account.

What is the NPDES permit for Derby Wastewater Treatment?

The facility discharges under NPDES permit KS0050377, currently effective, expiring December 2027.

Is Derby Wastewater Treatment in compliance?

Discharge monitoring reports show 61 violations at Derby Wastewater Treatment in the last three years, 61 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Derby Wastewater Treatment and how do I contact them?

Derby Wastewater Treatment is a publicly owned treatment works in Derby, Kansas. Klarifi lists 24 verified decision-maker contacts for this facility, available with a free trial.

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Derby Wastewater Treatment

1501 South Highway K15, Derby, KS 67037 · Sedgwick County · Publicly Owned Treatment Works

Average flow: 2.03 MGD

Design flow: —

NPDES permit: KS0050377; Effective

Permit expires: December 2027

Population served: 17,546; CWNS 2022

Derby Wastewater Treatment is a publicly owned wastewater treatment works in Derby, Sedgwick County, Kansas treating an average of 2.03 million gallons per day, serving about 17,546 residents. It discharges under NPDES permit KS0050377 (effective), which expires in December 2027, with 61 recorded violations in the last three years.

Treatment technology

2 treatment structures and unit processes identified at Derby Wastewater Treatment.

Available with a free Klarifi account

See the full treatment train at Derby Wastewater Treatment: structures, unit processes and planned upgrades, with exact unit counts.

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Compliance snapshot (last 3 years)

Total violations: 61

Effluent violations: 61

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

Key contacts

24 verified contacts for Derby Wastewater Treatment, with validated emails and direct phone numbers.

Unlock 24 verified contacts (21 more than shown)

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

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Mulvane, City Of

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Haysville, City Of

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Peck Improvement District

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City Of Rose Hill WTP

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Belle Plaine WWTP

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Wichita - Four Mile Creek - New

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Derby Wastewater Treatment: 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 4, 2025.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · FOG · Equalization tank · all terms

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