Cambridge WWTP
Cambridge, MN · Isanti County · Publicly Owned Treatment Works
- Average flow
- 0.65 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 0.65 million gallons per day against a permitted design capacity of 1.92 MGD, serving about 9,273 residents. Treatment on site includes biogas silos, biogas balloons. It discharges under NPDES permit MN0020362 (effective), which expires in March 2031, with 2 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
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.
Unlock 1 verified contact
Names, validated emails and direct phone numbers for decision-makers at Cambridge WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Minnesota
Braham · 11 mi away
0.16 MGD
Harris · 13 mi away
0.02 MGD
North Branch · 13 mi away
0.37 MGD
Saint Francis · 14 mi away
0.39 MGD
Princeton · 16 mi away
0.45 MGD
Zimmerman · 19 mi away
0.35 MGD
Ogilvie · 20 mi away
0.04 MGD
Chisago City · 21 mi away
1.03 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 September 11, 2026; facility record last updated November 13, 2025.