What is the address of Clarks WWTF?

The address on the plant’s EPA facility record is 209 N Green, Clarks, NE 68628, in Merrick County. Its coordinates are 41.2339, -97.8085. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Clarks WWTF treat?

Clarks WWTF is permitted for a design flow of 0.07 MGD. Its average daily flow is not available in the current EPA data.

What treatment technology does Clarks WWTF use?

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

What is the NPDES permit for Clarks WWTF?

The facility discharges under NPDES permit NE0113549, currently administratively continued, expiring March 2017.

Is Clarks WWTF in compliance?

Discharge monitoring reports show 179 violations at Clarks WWTF in the last three years, 1 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Clarks WWTF and how do I contact them?

Clarks WWTF is a publicly owned treatment works in Clarks, Nebraska. Klarifi lists decision-maker contacts for this facility, available with a free trial.

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Clarks WWTF

209 N Green, Clarks, NE 68628 · Merrick County · Publicly Owned Treatment Works

Average flow: —

Design flow: 0.07 MGD

NPDES permit: NE0113549; Administratively continued

Permit expires: March 2017

Population served: 374; CWNS 2022

Clarks WWTF is a publicly owned wastewater treatment works in Clarks, Merrick County, Nebraska, serving about 374 residents. It discharges under NPDES permit NE0113549 (administratively continued), which expires in March 2017, with 179 recorded violations in the last three years.

Treatment technology

One treatment structure or unit process identified at Clarks WWTF.

Available with a free Klarifi account

See the full treatment train at Clarks WWTF: structures, unit processes and planned upgrades, with exact unit counts.

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Compliance snapshot (last 3 years)

Total violations: 179

Effluent violations: 1

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

Key contacts

Decision-makers at Clarks WWTF.

No verified contacts on file yet

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Nearby wastewater treatment plants in Nebraska

Silver Creek Wastewater Treatment Facility

Silver Creek · 10 mi away

0.1 MGD

Central City WWTF

Central City · 12 mi away

0.24 MGD

Stromsburg Wastewater Treatment Facility

Stromsburg · 14 mi away

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Genoa Wastewater Treatment

Genoa · 15 mi away

0.06 MGD

Monroe Wastewater Treatment

Monroe · 20 mi away

0.04 MGD

Saint Edward

St Edward · 23 mi away

0.19 MGD

Sid 1 Butler Co -Clear Lake Residential Assn

Columbus · 25 mi away

0.0049 MGD

Rising City Wastewater Treatment Facility

Rising City · 26 mi away

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Clarks WWTF: 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 November 5, 2025.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Anaerobic digester · Lift station · all terms

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