Chisago Lakes Joint Stc
31505 Lofton Ave N, Chisago City, MN 55013 · Chisago County · Publicly Owned Treatment Works
- Average flow
- 1.02 MGD
- Design flow
- 2.46 MGD
- NPDES permit
- MN0055808
- Effective
- Permit expires
- March 2030
- Population served
- 9,426
- CWNS 2022
Chisago Lakes Joint Stc is a publicly owned wastewater treatment plant in Chisago City, Chisago County, Minnesota treating an average of 1.02 million gallons per day against a permitted design capacity of 2.46 MGD, serving about 9,426 residents. It discharges under NPDES permit MN0055808 (effective), which expires in March 2030, with 3 recorded violations in the last three years.
Treatment technology
One treatment structure or unit process identified at Chisago Lakes Joint Stc.
Available with a free Klarifi account
See the full treatment train at Chisago Lakes Joint Stc: structures, unit processes and planned upgrades, with exact unit counts.
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
Decision-makers at Chisago Lakes Joint Stc.
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Nearby wastewater treatment plants in Minnesota
Shafer · 6 mi away
—
North Branch · 9 mi away
0.41 MGD
Harris · 13 mi away
0.02 MGD
Cambridge · 21 mi away
0.68 MGD
Saint Francis · 24 mi away
0.38 MGD
Oak Park Heights · 26 mi away
2.44 MGD
Braham · 26 mi away
0.14 MGD
Pine City · 31 mi away
0.61 MGD
Chisago Lakes Joint Stc: 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 March 19, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Activated sludge · Oxidation ditch · all terms