What is the address of Monroe, City Of (wpc Cntr)?

The address on the plant’s EPA facility record is 770 Richwood Road #2, Monroe, LA 71202, in Ouachita County. Its coordinates are 32.4338, -92.1011. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Monroe, City Of (wpc Cntr) treat?

Monroe, City Of (wpc Cntr) treats an average of 7.62 MGD.

Has Monroe, City Of (wpc Cntr) been subject to EPA enforcement action?

EPA's enforcement records list 3 formal civil enforcement cases naming Monroe, City Of (wpc Cntr), 0 since fiscal year 2020. The latest case reached its current status in April 2017 (administrative order, final order with penalty). Penalties assessed across the cases total $1,000. The full case history, with milestones, violation types and EPA's case summaries, is shown in Klarifi with a free account.

What treatment technology does Monroe, City Of (wpc Cntr) use?

Klarifi has identified 4 treatment structures and unit processes at the Monroe facility. The full treatment train, with exact unit counts, is shown in Klarifi with a free account.

What is the NPDES permit for Monroe, City Of (wpc Cntr)?

The facility discharges under NPDES permit LAL038741, currently effective, expiring December 2030.

Is Monroe, City Of (wpc Cntr) in compliance?

Discharge monitoring reports show 78 violations at Monroe, City Of (wpc Cntr) in the last three years. The full history is available in Klarifi.

Are there capital improvement projects planned in Monroe, LA?

Yes. Monroe's capital improvement plan lists 9 water, sewer and wastewater projects worth $69M starting between 2026 and 2027. Line items and the people behind them are in Klarifi.

Who operates Monroe, City Of (wpc Cntr) and how do I contact them?

Monroe, City Of (wpc Cntr) is a publicly owned treatment works in Monroe, Louisiana. Klarifi lists 2 verified decision-maker contacts for this facility, available with a free trial.

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Monroe, City Of (wpc Cntr)

770 Richwood Road #2, Monroe, LA 71202 · Ouachita County · Publicly Owned Treatment Works

Average flow: 7.62 MGD

Design flow: —

NPDES permit: LAL038741; Effective

Permit expires: December 2030

Population served: 60,381; CWNS 2022

Monroe, City Of (wpc Cntr) is a publicly owned wastewater treatment plant in Monroe, Ouachita County, Louisiana treating an average of 7.62 million gallons per day, serving about 60,381 residents. It discharges under NPDES permit LAL038741 (effective), which expires in December 2030, with 78 recorded violations in the last three years. EPA has recorded 3 formal enforcement actions naming the plant, the latest in April 2017.

Treatment technology

4 treatment structures and unit processes identified at Monroe, City Of (wpc Cntr).

Available with a free Klarifi account

See the full treatment train at Monroe, City Of (wpc Cntr): structures, unit processes and planned upgrades, with exact unit counts.

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Compliance snapshot (last 3 years)

Total violations: 78

Effluent violations: 0

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 Monroe, City Of (wpc Cntr) in EPA's ICIS system.

Formal actions: 3; 0 since FY2020

Penalties assessed: $1,000; all cases

Compliance actions: $1,300; required by EPA orders

EPA inspections: 0; none on record

Latest case · Apr 2017

City of Monroe

Administrative order · CWA, Sewage Sludge Disposal · Final Order With Penalty · Penalty $1,000 · Compliance actions $1,000

EPA's description of the case:

“Civil penalty sought for violations issued to the City of Monroe located in Quachita Parish, Monroe Louisiana.”

Source: EPA ECHO, civil enforcement case 06-2016-1772.

Full case history with a free Klarifi account

Every action against Monroe, City Of (wpc Cntr) with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.

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Capital improvement projects in Monroe

Monroe's capital improvement plan lists 9 water, sewer and wastewater line items worth $69M starting 2026–2027. The largest budgeted items are shown here.

All water and sewer capital projects in Monroe →

Project	Budget	Years
Sewer FY26-FY30 (WPCC)	$22,761,646	2026–2030
Water FY26-FY30 (Distribution & Transmission)	$17,562,500	2026–2030
Sewer FY26-FY30 (Collection & Transmission)	$13,529,115	2026–2030
Texas Standifer Trunkline Repairs Phase 2	$8,500,000	2027–2029
River Pump Station WTP	$4,200,000	2027–2028

Full project details — scope, funding source, engineering consultant and the decision-makers behind each project — are available in Klarifi, along with similar wastewater capital projects in other cities.

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Key contacts

2 verified contacts for Monroe, City Of (wpc Cntr), with validated emails and direct phone numbers.

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Names, validated emails and direct phone numbers for decision-makers at Monroe, City Of (wpc Cntr), plus the full compliance history and discharge data.

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Nearby wastewater treatment plants in Louisiana

North Monroe Sew District #1

Monroe · 9 mi away

0.17 MGD

West Ouachita Industrial Park S.T.P.

West Monroe · 12 mi away

0.02 MGD

Sterlington, Town Of

Sterlington · 18 mi away

—

Rayville WWTF

Rayville · 19 mi away

1.29 MGD

Town Of Eros STP

Eros · 19 mi away

—

Town Of Mangham WWTP

Mangham · 21 mi away

0.06 MGD

Chatham Wastewater Treatment Facility

Chatham · 22 mi away

0.03 MGD

Downsville Wastewater Treatment Plant

Downsville · 23 mi away

—

Monroe, City Of (wpc Cntr): 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 August 5, 2026.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Biological nutrient removal · Tertiary treatment · all terms

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