What is the address of Belle Fourche WTP?

The address on the plant’s EPA facility record is 511 6th Avenue, Belle Fourche, SD 57717, in Butte County. Its coordinates are 44.6959, -103.8446. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Belle Fourche WTP treat?

Belle Fourche WTP is permitted for a design flow of 2 MGD. Its average daily flow is not available in the current EPA data.

What treatment technology does Belle Fourche WTP use?

Klarifi has identified 2 treatment structures and unit processes at the Belle Fourche facility. The full treatment train, with exact unit counts, is shown in Klarifi with a free account.

What is the NPDES permit for Belle Fourche WTP?

The facility discharges under NPDES permit SD0021628, currently effective, expiring April 2028.

Who operates Belle Fourche WTP and how do I contact them?

Belle Fourche WTP is a publicly owned treatment works in Belle Fourche, South Dakota. Klarifi lists decision-maker contacts for this facility, available with a free trial.

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Belle Fourche WTP

511 6th Avenue, Belle Fourche, SD 57717 · Butte County · Publicly Owned Treatment Works

Average flow: —

Design flow: 2 MGD

NPDES permit: SD0021628; Effective

Permit expires: April 2028

Population served: —; CWNS 2022

Belle Fourche WTP is a publicly owned wastewater treatment plant in Belle Fourche, Butte County, South Dakota. It discharges under NPDES permit SD0021628 (effective), which expires in April 2028.

Treatment technology

2 treatment structures and unit processes identified at Belle Fourche WTP.

Available with a free Klarifi account

See the full treatment train at Belle Fourche WTP: structures, unit processes and planned upgrades, with exact unit counts.

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Compliance snapshot (last 3 years)

Total violations: —

Effluent violations: —

Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.

Key contacts

Decision-makers at Belle Fourche WTP.

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Sturgis, City Of

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Belle Fourche WTP: 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 7, 2025.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Equalization tank · Centrate · all terms

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