What is the address of Seneca, City Of?

The address on the plant’s EPA facility record is 1098 -146th Street, Seneca, KS 66538, in Nemaha County. Its coordinates are 39.8313, -96.0527. For some plants the record holds the utility’s mailing address rather than the plant gate.

What treatment technology does Seneca, City Of use?

Klarifi has identified one treatment structure or unit process at the Seneca facility. The full treatment train, with exact unit counts, is shown in Klarifi with a free account.

What is the NPDES permit for Seneca, City Of?

The facility discharges under NPDES permit KS0047538, currently effective, expiring December 2028.

Is Seneca, City Of in compliance?

Discharge monitoring reports show 8 violations at Seneca, City Of in the last three years, 6 of them effluent limit exceedances. The full history is available in Klarifi.

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

Seneca, City Of is a publicly owned treatment works in Seneca, Kansas. Klarifi lists 2 verified decision-maker contacts for this facility, available with a free trial.

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Seneca, City Of

1098 -146th Street, Seneca, KS 66538 · Nemaha County · Publicly Owned Treatment Works

Average flow: —

Design flow: —

NPDES permit: KS0047538; Effective

Permit expires: December 2028

Population served: 2,120; CWNS 2022

Seneca, City Of is a publicly owned wastewater treatment plant in Seneca, Nemaha County, Kansas, serving about 2,120 residents. It discharges under NPDES permit KS0047538 (effective), which expires in December 2028, with 8 recorded violations in the last three years.

Treatment technology

One treatment structure or unit process identified at Seneca, City Of.

Available with a free Klarifi account

See the full treatment train at Seneca, City Of: structures, unit processes and planned upgrades, with exact unit counts.

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Compliance snapshot (last 3 years)

Total violations: 8

Effluent violations: 6

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

Key contacts

2 verified contacts for Seneca, City Of, with validated emails and direct phone numbers.

Unlock 2 verified contacts

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

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Seneca, 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 October 19, 2026; facility record last updated March 17, 2025.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Sludge dewatering · Biological nutrient removal · all terms

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