What is the address of Rock Lake City Of?

The address on the plant’s EPA facility record is 6556 98 St NE, Rock Lake, ND 58365, in Towner County. Its coordinates are 48.7873, -99.2412. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Rock Lake City Of treat?

Rock Lake City Of is permitted for a design flow of 0.001 MGD. Its average daily flow is not available in the current EPA data.

What treatment technology does Rock Lake City Of use?

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

What is the NPDES permit for Rock Lake City Of?

The facility discharges under NPDES permit NDG321377, currently effective, expiring September 2029.

Is Rock Lake City Of in compliance?

Discharge monitoring reports show 10 violations at Rock Lake City Of in the last three years, 1 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Rock Lake City Of and how do I contact them?

Rock Lake City Of is a publicly owned treatment works in Rock Lake, North Dakota. Klarifi lists 1 verified decision-maker contact for this facility, available with a free trial.

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Rock Lake City Of

6556 98 St NE, Rock Lake, ND 58365 · Towner County · Publicly Owned Treatment Works

Average flow: —

Design flow: 0.001 MGD

NPDES permit: NDG321377; Effective

Permit expires: September 2029

Population served: 117; CWNS 2022

Rock Lake City Of is a publicly owned wastewater treatment plant in Rock Lake, Towner County, North Dakota, serving about 117 residents. It discharges under NPDES permit NDG321377 (effective), which expires in September 2029, with 10 recorded violations in the last three years.

Treatment technology

One treatment structure or unit process identified at Rock Lake City Of.

Available with a free Klarifi account

See the full treatment train at Rock Lake City Of: structures, unit processes and planned upgrades, with exact unit counts.

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Compliance snapshot (last 3 years)

Total violations: 10

Effluent violations: 1

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

Key contacts

1 verified contact for Rock Lake City Of, with validated emails and direct phone numbers.

Unlock 1 verified contact

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

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Rock Lake 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 March 20, 2025.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Lift station · Sludge dewatering · all terms

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