Klarifi Logo
Try for freeLog in
Klarifi Logo

City Of Monmouth

Monmouth, IL · Warren County · Publicly Owned Treatment Works

Average flow
3.98 MGD
Design flow
NPDES permit
3604681733
Effective
Permit expires
December 2030

Treatment technology

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

Clarifiers

Unlock

Aerated lagoons

Unlock

Covered lagoons

Unlock

Uncovered lagoons

Unlock

Carrousels / oxidation ditches

Unlock

Unlock exact unit counts →

Compliance snapshot (last 3 years)

Total violations
20
Effluent violations
20

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

Key contacts

1 verified contact for City Of Monmouth, with validated emails and direct phone numbers.

Unlock 1 verified contact

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

Try Klarifi free

Nearby wastewater treatment plants in Illinois

Monmouth Main STP

Monmouth · 2 mi away

Kirkwood Stp, Village Of

Kirkwood · 8 mi away

0.13 MGD

Alexis STP

Alexis · 9 mi away

0.16 MGD

Galesburg Sanitary District STP

Galesburg · 12 mi away

6.18 MGD

Biggsville Stp, Village Of

Biggsville · 13 mi away

0.03 MGD

Abingdon Stp, City Of

Abingdon · 17 mi away

0.59 MGD

Aledo South Stp, City Of

Aledo · 17 mi away

0.33 MGD

Knoxville STP

Knoxville · 19 mi away


Data sourced from public EPA / NPDES records and Klarifi analysis. Last updated March 2025.

Try Klarifi for free

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

Try for free