City Of Belgrade- Belgrade Wastewater Treatment Plant
Lagoon Rd, Belgrade, MT 59714 · Gallatin County · Publicly Owned Treatment Works
- Average flow
- 0.36 MGD
- Design flow
- —
- NPDES permit
- MTX000116
- Administratively continued
- Permit expires
- September 2023
- Population served
- 10,460
- CWNS 2022
City Of Belgrade- Belgrade Wastewater Treatment Plant is a publicly owned wastewater treatment works in Belgrade, Gallatin County, Montana treating an average of 0.36 million gallons per day, serving about 10,460 residents. It discharges under NPDES permit MTX000116 (administratively continued), which expires in September 2023, with 30 recorded violations in the last three years.
Treatment technology
4 treatment structures and unit processes identified at City Of Belgrade- Belgrade Wastewater Treatment Plant.
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See the full treatment train at City Of Belgrade- Belgrade Wastewater Treatment Plant: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 30
- Effluent violations
- 0
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
3 verified contacts for City Of Belgrade- Belgrade Wastewater Treatment Plant, with validated emails and direct phone numbers.
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Names, validated emails and direct phone numbers for decision-makers at City Of Belgrade- Belgrade Wastewater Treatment Plant, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Montana
Belgrade · 3 mi away
0.16 MGD
Bozeman · 7 mi away
6.55 MGD
Bozeman · 9 mi away
0.3 MGD
Manhattan · 10 mi away
0.29 MGD
Bozeman · 15 mi away
0.09 MGD
Three Forks · 19 mi away
0.44 MGD
Willow Creek · 23 mi away
—
Livingston · 31 mi away
0.69 MGD
City Of Belgrade- Belgrade Wastewater Treatment Plant: 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 April 24, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Activated sludge · Oxidation ditch · all terms