What is the address of Underwood City Of?

The address on the plant’s EPA facility record is 88 Lincoln Ave, Underwood, ND 58576, in Mclean County. Its coordinates are 47.4456, -101.1393. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Underwood City Of treat?

Underwood City Of is permitted for a design flow of 0.001 MGD. Its average daily flow is not available in the current EPA data.

What treatment technology does Underwood City Of use?

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

What is the NPDES permit for Underwood City Of?

The facility discharges under NPDES permit NDG321385, currently effective, expiring September 2029.

Is Underwood City Of in compliance?

Discharge monitoring reports show 9 violations at Underwood City Of in the last three years. The full history is available in Klarifi.

Who operates Underwood City Of and how do I contact them?

Underwood City Of is a publicly owned treatment works in Underwood, North Dakota. Klarifi lists 1 verified decision-maker contact for this facility, available with a free trial.

Try for free Log in

Underwood City Of

88 Lincoln Ave, Underwood, ND 58576 · Mclean County · Publicly Owned Treatment Works

Average flow: —

Design flow: 0.001 MGD

NPDES permit: NDG321385; Effective

Permit expires: September 2029

Population served: 898; CWNS 2022

Underwood City Of is a publicly owned wastewater treatment plant in Underwood, Mclean County, North Dakota, serving about 898 residents. It discharges under NPDES permit NDG321385 (effective), which expires in September 2029, with 9 recorded violations in the last three years.

Treatment technology

One treatment structure or unit process identified at Underwood City Of.

Available with a free Klarifi account

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

Create a free account

Compliance snapshot (last 3 years)

Total violations: 9

Effluent violations: 0

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

Key contacts

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

Unlock 1 verified contact

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

Try Klarifi free

Nearby wastewater treatment plants in North Dakota

Turtle Lake City Of

Turtle Lake · 13 mi away

—

Pick City City Of

Pick City · 15 mi away

—

Mercer City Of

Mercer · 20 mi away

—

Wilton City Of

Wilton · 26 mi away

—

Max City Of

Max · 27 mi away

—

Beulah City Of

Beulah · 31 mi away

—

Mcclusky City Of

Mcclusky · 32 mi away

—

Douglas City Of

Douglas · 33 mi away

—

Underwood 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 26, 2026; facility record last updated April 5, 2025.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Ozonation · Activated sludge · all terms

Try Klarifi for free

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

Try for free