Elk River WWTP
248 Railroad Drive, Elk River, MN 55330 · Sherburne County · Publicly Owned Treatment Works
- Average flow
- 1.31 MGD
- Design flow
- —
- NPDES permit
- MNL020788
- Effective
- Permit expires
- December 2030
- Population served
- 26,090
- CWNS 2022
Elk River WWTP is a publicly owned wastewater treatment works in Elk River, Sherburne County, Minnesota treating an average of 1.31 million gallons per day, serving about 26,090 residents. It discharges under NPDES permit MNL020788 (effective), which expires in December 2030, with 1 recorded violation in the last three years.
Treatment technology
2 treatment structures and unit processes identified at Elk River WWTP.
Available with a free Klarifi account
See the full treatment train at Elk River WWTP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 1
- Effluent violations
- 1
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
1 verified contact for Elk River WWTP, with validated emails and direct phone numbers.
Unlock 1 verified contact
Names, validated emails and direct phone numbers for decision-makers at Elk River WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Minnesota
Rogers · 4 mi away
0.53 MGD
Otsego · 5 mi away
0.49 MGD
Albertville · 6 mi away
0.56 MGD
Rogers · 7 mi away
1.16 MGD
Saint Michael · 8 mi away
1.03 MGD
Zimmerman · 9 mi away
0.35 MGD
Big Lake · 9 mi away
0.73 MGD
Monticello · 11 mi away
1.04 MGD
Elk River 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 March 6, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Equalization tank · Centrate · all terms