What is the address of Carlos WWTP?

The address on the plant’s EPA facility record is County Road 13 N, Carlos, MN 56319, in Douglas County. Its coordinates are 45.9813, -95.2939. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Carlos WWTP treat?

Carlos WWTP is permitted for a design flow of 0.06 MGD. Its average daily flow is not available in the current EPA data.

What treatment technology does Carlos WWTP use?

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

What is the NPDES permit for Carlos WWTP?

The facility discharges under NPDES permit MN0023019, currently effective, expiring January 2028.

Is Carlos WWTP in compliance?

Discharge monitoring reports show 3 violations at Carlos WWTP in the last three years, 3 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Carlos WWTP and how do I contact them?

Carlos WWTP is a publicly owned treatment works in Carlos, Minnesota. Klarifi lists 1 verified decision-maker contact for this facility, available with a free trial.

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Carlos WWTP

County Road 13 N, Carlos, MN 56319 · Douglas County · Publicly Owned Treatment Works

Average flow: —

Design flow: 0.06 MGD

NPDES permit: MN0023019; Effective

Permit expires: January 2028

Population served: 497; CWNS 2022

Carlos WWTP is a publicly owned wastewater treatment works in Carlos, Douglas County, Minnesota, serving about 497 residents. It discharges under NPDES permit MN0023019 (effective), which expires in January 2028, with 3 recorded violations in the last three years.

Treatment technology

One treatment structure or unit process identified at Carlos WWTP.

Available with a free Klarifi account

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

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Compliance snapshot (last 3 years)

Total violations: 3

Effluent violations: 3

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

Key contacts

1 verified contact for Carlos WWTP, with validated emails and direct phone numbers.

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

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Nearby wastewater treatment plants in Minnesota

Miltona WWTP

Miltona · 5 mi away

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Garfield WWTP

Garfield · 9 mi away

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Alexandria Lake Area Sanitary District

Alexandria · 10 mi away

2.75 MGD

Osakis WWTP

Osakis · 11 mi away

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Millerville WWTP

Brandon · 14 mi away

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Urbank WWTP

Clitherall · 15 mi away

0.02 MGD

Evansville WWTP

Evansville · 19 mi away

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Long Prairie WWTP

Long Prairie · 20 mi away

1.1 MGD

Carlos WWTP: 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 13, 2026.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Significant industrial user · WWTP · all terms

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