What is the address of Cambridge WWTP?

The address on the plant’s EPA facility record is 800 7th Avenue SW, Cambridge, MN 55008, in Isanti County. Its coordinates are 45.5651, -93.2345. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Cambridge WWTP treat?

Cambridge WWTP treats an average of 0.68 MGD and is permitted for a design flow of 1.92 MGD.

What treatment technology does Cambridge WWTP use?

Klarifi has identified 2 treatment structures and unit processes at the Cambridge facility. The full treatment train, with exact unit counts, is shown in Klarifi with a free account.

What is the NPDES permit for Cambridge WWTP?

The facility discharges under NPDES permit MN0020362, currently effective, expiring March 2031.

Is Cambridge WWTP in compliance?

Discharge monitoring reports show 2 violations at Cambridge WWTP in the last three years, 2 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Cambridge WWTP and how do I contact them?

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

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Cambridge WWTP

800 7th Avenue SW, Cambridge, MN 55008 · Isanti County · Publicly Owned Treatment Works

Average flow: 0.68 MGD

Design flow: 1.92 MGD

NPDES permit: MN0020362; Effective

Permit expires: March 2031

Population served: 9,273; CWNS 2022

Cambridge WWTP is a publicly owned wastewater treatment works in Cambridge, Isanti County, Minnesota treating an average of 0.68 million gallons per day against a permitted design capacity of 1.92 MGD, serving about 9,273 residents. It discharges under NPDES permit MN0020362 (effective), which expires in March 2031, with 2 recorded violations in the last three years.

Treatment technology

2 treatment structures and unit processes identified at Cambridge WWTP.

Available with a free Klarifi account

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

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Compliance snapshot (last 3 years)

Total violations: 2

Effluent violations: 2

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

Key contacts

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

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

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Nearby wastewater treatment plants in Minnesota

Braham WWTP

Braham · 11 mi away

0.14 MGD

Harris WWTP

Harris · 13 mi away

0.02 MGD

North Branch WWTP

North Branch · 13 mi away

0.41 MGD

Saint Francis WWTP

Saint Francis · 14 mi away

0.38 MGD

Princeton

Princeton · 16 mi away

0.43 MGD

Zimmerman WWTP

Zimmerman · 19 mi away

0.35 MGD

Ogilvie WWTP

Ogilvie · 20 mi away

0.04 MGD

Chisago Lakes Joint Stc

Chisago City · 21 mi away

1.02 MGD

Cambridge 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 November 13, 2025.

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

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