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St John City Of

100 Martin St SW PO Box 165, St John, ND 58369 · Rolette County · Publicly Owned Treatment Works

Average flow
—
Design flow
0.001 MGD
NPDES permit
NDG323248
Effective
Permit expires
September 2029
Population served
350
CWNS 2022

St John City Of is a publicly owned wastewater treatment plant in St John, Rolette County, North Dakota, serving about 350 residents. It discharges under NPDES permit NDG323248 (effective), which expires in September 2029, with 11 recorded violations in the last three years.

Treatment technology

One treatment structure or unit process identified at St John City Of.

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Compliance snapshot (last 3 years)

Total violations
11
Effluent violations
2

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

Key contacts

1 verified contact for St John City Of, with validated emails and direct phone numbers.

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Names, validated emails and direct phone numbers for decision-makers at St John City Of, plus the full compliance history and discharge data.

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Nearby wastewater treatment plants in North Dakota

Green Acres Lagoon System WWTF

Belcourt · 8 mi away

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St. Mary'S Housing Lagoon

Belcourt · 9 mi away

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Sky Dancer Lagoon System

Belcourt · 9 mi away

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Shell Valley Project

Belcourt · 13 mi away

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International Peace Gardens

Dunseith · 17 mi away

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Rolette City Of

Rolette · 21 mi away

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Rock Lake City Of

Rock Lake · 24 mi away

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St John City Of: 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 August 18, 2026.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Filter press · FOG · all terms


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