What is the address of Big Coppitt WWTP?

The address on the plant’s EPA facility record is 9500 Overseas Hwy, US MM 9.5, East Rockland Key, FL, in Monroe County. Its coordinates are 24.5919, -81.6796. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Big Coppitt WWTP treat?

Big Coppitt WWTP treats an average of 0.41 MGD and is permitted for a design flow of 0.41 MGD.

What treatment technology does Big Coppitt WWTP use?

Klarifi has identified 5 treatment structures and unit processes at the East Rockland Key facility. The full treatment train, with exact unit counts, is shown in Klarifi with a free account.

What is the NPDES permit for Big Coppitt WWTP?

The facility discharges under NPDES permit FLA567591, currently effective, expiring March 2028.

Who operates Big Coppitt WWTP and how do I contact them?

Big Coppitt WWTP is a publicly owned treatment works in East Rockland Key, Florida. Klarifi lists 1 verified decision-maker contact for this facility, available with a free trial.

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Big Coppitt WWTP

9500 Overseas Hwy, US MM 9.5, East Rockland Key, FL · Monroe County · Publicly Owned Treatment Works

Average flow: 0.41 MGD

Design flow: 0.41 MGD

NPDES permit: FLA567591; Effective

Permit expires: March 2028

Population served: —; CWNS 2022

Big Coppitt WWTP is a publicly owned wastewater treatment works in East Rockland Key, Monroe County, Florida treating an average of 0.41 million gallons per day against a permitted design capacity of 0.41 MGD. It discharges under NPDES permit FLA567591 (effective), which expires in March 2028.

Treatment technology

5 treatment structures and unit processes identified at Big Coppitt WWTP.

Available with a free Klarifi account

See the full treatment train at Big Coppitt WWTP: 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 Big Coppitt WWTP, with validated emails and direct phone numbers.

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

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Big Coppitt 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 October 22, 2026.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Centrate · Ozonation · all terms

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