Newfolden WWTP
130th Ave NW & 320th St NW, New Folden Township, MN 56738 · Marshall County · Publicly Owned Treatment Works
- Average flow
- —
- Design flow
- 0.03 MGD
- NPDES permit
- MNG585145
- Effective
- Permit expires
- November 2028
- Population served
- 352
- CWNS 2022
Newfolden WWTP is a publicly owned wastewater treatment works in New Folden Township, Marshall County, Minnesota, serving about 352 residents. It discharges under NPDES permit MNG585145 (effective), which expires in November 2028, with 25 recorded violations in the last three years.
Treatment technology
One treatment structure or unit process identified at Newfolden WWTP.
Available with a free Klarifi account
See the full treatment train at Newfolden WWTP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 25
- Effluent violations
- 5
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
1 verified contact for Newfolden WWTP, with validated emails and direct phone numbers.
Unlock 1 verified contact
Names, validated emails and direct phone numbers for decision-makers at Newfolden WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Minnesota
Middle River · 9 mi away
—
Viking · 10 mi away
—
Thief River Falls · 17 mi away
6.93 MGD
Karlstad · 19 mi away
0.07 MGD
Argyle · 23 mi away
—
Saint Hilaire · 24 mi away
—
Warren · 24 mi away
0.16 MGD
Greenbush · 27 mi away
—
Newfolden 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 6, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Equalization tank · Centrate · all terms