What is the address of Mcconnellsburg STP?

The address on the plant’s EPA facility record is South Second St Extended, Mcconnellsburg, PA 17233, in Fulton County. Its coordinates are 39.9261, -78.0050. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Mcconnellsburg STP treat?

Mcconnellsburg STP treats an average of 0.25 MGD and is permitted for a design flow of 0.6 MGD.

What treatment technology does Mcconnellsburg STP use?

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

What is the NPDES permit for Mcconnellsburg STP?

The facility discharges under NPDES permit PA0020508, currently effective, expiring February 2031.

Is Mcconnellsburg STP in compliance?

Discharge monitoring reports show 7 violations at Mcconnellsburg STP in the last three years, 7 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Mcconnellsburg STP and how do I contact them?

Mcconnellsburg STP is a publicly owned treatment works in Mcconnellsburg, Pennsylvania. Klarifi lists 1 verified decision-maker contact for this facility, available with a free trial.

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Mcconnellsburg STP

South Second St Extended, Mcconnellsburg, PA 17233 · Fulton County · Publicly Owned Treatment Works

Average flow: 0.25 MGD

Design flow: 0.6 MGD

NPDES permit: PA0020508; Effective

Permit expires: February 2031

Population served: —; CWNS 2022

Mcconnellsburg STP is a publicly owned wastewater treatment works in Mcconnellsburg, Fulton County, Pennsylvania treating an average of 0.25 million gallons per day against a permitted design capacity of 0.6 MGD. It discharges under NPDES permit PA0020508 (effective), which expires in February 2031, with 7 recorded violations in the last three years.

Treatment technology

One treatment structure or unit process identified at Mcconnellsburg STP.

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See the full treatment train at Mcconnellsburg STP: structures, unit processes and planned upgrades, with exact unit counts.

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Compliance snapshot (last 3 years)

Total violations: 7

Effluent violations: 7

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

Key contacts

1 verified contact for Mcconnellsburg STP, with validated emails and direct phone numbers.

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

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Mercersburg STP

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Mcconnellsburg STP: 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 12, 2026; facility record last updated September 16, 2026.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Significant industrial user · WWTP · all terms

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