Klarifi Logo
Try for freeLog in
Klarifi Logo

Arkansas City Mwwtp

1701 South M Street, Arkansas City, KS 67005 · Cowley County · Publicly Owned Treatment Works

Average flow
1.46 MGD
Design flow
—
NPDES permit
KS0044831
Effective
Permit expires
February 2028
Population served
11,402
CWNS 2022

Arkansas City Mwwtp is a publicly owned wastewater treatment works in Arkansas City, Cowley County, Kansas treating an average of 1.46 million gallons per day, serving about 11,402 residents. It discharges under NPDES permit KS0044831 (effective), which expires in February 2028, with 12 recorded violations in the last three years. EPA has recorded 2 formal enforcement actions naming the plant, the latest in September 2025.

Treatment technology

2 treatment structures and unit processes identified at Arkansas City Mwwtp.

Available with a free Klarifi account

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

Create a free account

Compliance snapshot (last 3 years)

Total violations
12
Effluent violations
12

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

EPA enforcement history

Federal civil enforcement cases, compliance inspections and informal actions recorded for Arkansas City Mwwtp in EPA's ICIS system.

Formal actions
2
1 since FY2020
Penalties assessed
$3,000
all cases
EPA inspections
0
none on record

Latest case · Sep 2025

Arkansas City Biosolids ESA CWA 309G2E AO For Class I Penalties - Biosolids Expedited Settlement Pro

Administrative order · CWA, NPDES Permit Violations · Final Order With Penalty · Penalty $3,000

EPA's description of the case:

“Facility generates Class A biosolids for public sale. The biosolids did not meet the requirements of 503.”

Source: EPA ECHO, civil enforcement case 07-2025-0098.

Full case history with a free Klarifi account

Every action against Arkansas City Mwwtp with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.

Create a free account

Key contacts

1 verified contact for Arkansas City Mwwtp, with validated emails and direct phone numbers.

Unlock 1 verified contact

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

Try Klarifi free

Nearby wastewater treatment plants in Kansas

Geuda Springs WWTP

Geuda Springs · 8 mi away

—

Winfield, City Of

Winfield · 13 mi away

1.28 MGD

Dexter Wastewater Plant

Dexter · 19 mi away

—

Burden Wastewater Plant

Burden · 24 mi away

—

Wellington, City Of

Wellington · 24 mi away

0.67 MGD

Udall, City Of

Udall · 25 mi away

—

Arkansas City Mwwtp: 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 30, 2025.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Biosolids · Filter press · all terms


Try Klarifi for free

Create your own trial account and explore how Klarifi can help you.

Try for free