What is the address of St. Margaret WWTF?

The address on the plant’s EPA facility record is 527 SW St Margaret St, Lake City, FL, in Columbia County. Its coordinates are 30.1712, -82.6447. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does St. Margaret WWTF treat?

St. Margaret WWTF treats an average of 2.95 MGD and is permitted for a design flow of 2.95 MGD.

What treatment technology does St. Margaret WWTF use?

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

What is the NPDES permit for St. Margaret WWTF?

The facility discharges under NPDES permit FLA113956, currently administratively continued, expiring July 2026.

Who operates St. Margaret WWTF and how do I contact them?

St. Margaret WWTF is a publicly owned treatment works in Lake City, Florida. Klarifi lists 1 verified decision-maker contact for this facility, available with a free trial.

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St. Margaret WWTF

527 SW St Margaret St, Lake City, FL · Columbia County · Publicly Owned Treatment Works

Average flow: 2.95 MGD

Design flow: 2.95 MGD

NPDES permit: FLA113956; Administratively continued

Permit expires: July 2026

Population served: —; CWNS 2022

St. Margaret WWTF is a publicly owned wastewater treatment works in Lake City, Columbia County, Florida treating an average of 2.95 million gallons per day against a permitted design capacity of 2.95 MGD. It discharges under NPDES permit FLA113956 (administratively continued), which expires in July 2026.

Treatment technology

2 treatment structures and unit processes identified at St. Margaret WWTF.

Available with a free Klarifi account

See the full treatment train at St. Margaret WWTF: 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

1 verified contact for St. Margaret WWTF, with validated emails and direct phone numbers.

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

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St. Margaret WWTF: 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 October 22, 2026.

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

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