What is the address of Smelterville WWTP?

The address on the plant’s EPA facility record is Commerce Dr And K St, Smelterville, ID 83874, in Shoshone County. Its coordinates are 47.5442, -116.2012. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Smelterville WWTP treat?

Smelterville WWTP treats an average of 0.05 MGD and is permitted for a design flow of 0.24 MGD.

What treatment technology does Smelterville WWTP use?

Klarifi has identified 3 treatment structures and unit processes at the Smelterville facility. The full treatment train, with exact unit counts, is shown in Klarifi with a free account.

What is the NPDES permit for Smelterville WWTP?

The facility discharges under NPDES permit ID0020117, currently administratively continued, expiring September 2018.

Is Smelterville WWTP in compliance?

Discharge monitoring reports show 21 violations at Smelterville WWTP in the last three years, 21 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Smelterville WWTP and how do I contact them?

Smelterville WWTP is a publicly owned treatment works in Smelterville, Idaho. Klarifi lists 1 verified decision-maker contact for this facility, available with a free trial.

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Smelterville WWTP

Commerce Dr And K St, Smelterville, ID 83874 · Shoshone County · Publicly Owned Treatment Works

Average flow: 0.05 MGD

Design flow: 0.24 MGD

NPDES permit: ID0020117; Administratively continued

Permit expires: September 2018

Population served: 670; CWNS 2022

Smelterville WWTP is a publicly owned wastewater treatment works in Smelterville, Shoshone County, Idaho treating an average of 0.05 million gallons per day against a permitted design capacity of 0.24 MGD, serving about 670 residents. It discharges under NPDES permit ID0020117 (administratively continued), which expires in September 2018, with 21 recorded violations in the last three years.

Treatment technology

3 treatment structures and unit processes identified at Smelterville WWTP.

Available with a free Klarifi account

See the full treatment train at Smelterville WWTP: structures, unit processes and planned upgrades, with exact unit counts.

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Compliance snapshot (last 3 years)

Total violations: 21

Effluent violations: 21

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

Key contacts

1 verified contact for Smelterville WWTP, with validated emails and direct phone numbers.

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Names, validated emails and direct phone numbers for decision-makers at Smelterville WWTP, plus the full compliance history and discharge data.

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Nearby wastewater treatment plants in Idaho

Page WWTP

Smelterville · 1 mi away

2.04 MGD

Mullan WWTP

Mullan · 19 mi away

0.14 MGD

St Maries WWTP

Saint Maries · 23 mi away

2.25 MGD

Santa Fernwood WWTF

Fernwood · 30 mi away

0.17 MGD

Hayden Area Regional Sewer Board WWTP

Hayden · 33 mi away

1.24 MGD

Emida Waste Water Facility

Saint Maries · 35 mi away

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Worley WWTP

Worley · 35 mi away

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Tensed WWTP

Tensed · 43 mi away

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Smelterville 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 September 11, 2026.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Anaerobic digester · Lift station · all terms

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