How much wastewater does Wakpamni Community Lagoon treat?

Wakpamni Community Lagoon is permitted for a design flow of 0.007 MGD. Its average daily flow is not available in the current EPA data.

What treatment technology does Wakpamni Community Lagoon use?

Klarifi has identified one treatment structure or unit process at the Pine Ridge facility. The full treatment train, with exact unit counts, is shown in Klarifi with a free account.

What is the NPDES permit for Wakpamni Community Lagoon?

The facility discharges under NPDES permit SDG589511, currently effective, expiring March 2027.

Who operates Wakpamni Community Lagoon and how do I contact them?

Wakpamni Community Lagoon is a publicly owned treatment works in Pine Ridge, South Dakota. Klarifi lists decision-maker contacts for this facility, available with a free trial.

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Wakpamni Community Lagoon

Pine Ridge, SD 57770 · Shannon County · Publicly Owned Treatment Works

Average flow: —

Design flow: 0.007 MGD

NPDES permit: SDG589511; Effective

Permit expires: March 2027

Population served: —; CWNS 2022

Wakpamni Community Lagoon is a publicly owned wastewater treatment works in Pine Ridge, Shannon County, South Dakota. It discharges under NPDES permit SDG589511 (effective), which expires in March 2027.

Treatment technology

One treatment structure or unit process identified at Wakpamni Community Lagoon.

Available with a free Klarifi account

See the full treatment train at Wakpamni Community Lagoon: 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 Wakpamni Community Lagoon.

No verified contacts on file yet

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Nearby wastewater treatment plants in South Dakota

Wounded Knee Community Lagoon

Pine Ridge · 14 mi away

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Wolf Creek Lagoon

Pine Ridge · 15 mi away

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Porcupine Community Lagoon

Porcupine · 17 mi away

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Manderson Community Lagoon

Manderson · 22 mi away

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Martin Sunrise Housing WW Lagoon

Martin · 23 mi away

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Sharp'S Corner Lagoon System

Kyle · 28 mi away

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Oglala Community Lagoon

Oglala · 32 mi away

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Potato Creek Community Lagoon

Pine Ridge · 36 mi away

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Wakpamni Community Lagoon: 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 14, 2025.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Activated sludge · Oxidation ditch · all terms

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