What is the address of Hancock WWTP?

The address on the plant’s EPA facility record is Lashley Road, Hancock, MD 21750, in Washington County. Its coordinates are 39.7059, -78.1551. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Hancock WWTP treat?

Hancock WWTP treats an average of 0.23 MGD and is permitted for a design flow of 0.38 MGD.

What treatment technology does Hancock WWTP use?

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

What is the NPDES permit for Hancock WWTP?

The facility discharges under NPDES permit MD0024562, currently effective, expiring May 2031.

Is Hancock WWTP in compliance?

Discharge monitoring reports show 24 violations at Hancock WWTP in the last three years, 24 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Hancock WWTP and how do I contact them?

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

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Hancock WWTP

Lashley Road, Hancock, MD 21750 · Washington County · Publicly Owned Treatment Works

Average flow: 0.23 MGD

Design flow: 0.38 MGD

NPDES permit: MD0024562; Effective

Permit expires: May 2031

Population served: 4,100; CWNS 2022

Hancock WWTP is a publicly owned wastewater treatment works in Hancock, Washington County, Maryland treating an average of 0.23 million gallons per day against a permitted design capacity of 0.38 MGD, serving about 4,100 residents. It discharges under NPDES permit MD0024562 (effective), which expires in May 2031, with 24 recorded violations in the last three years.

Treatment technology

One treatment structure or unit process identified at Hancock WWTP.

Available with a free Klarifi account

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

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Compliance snapshot (last 3 years)

Total violations: 24

Effluent violations: 24

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

Key contacts

1 verified contact for Hancock WWTP, with validated emails and direct phone numbers.

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

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Nearby wastewater treatment plants in Maryland

Sha - Sideling Hill Rest Area WWTP

Hancock · 7 mi away

0.0041 MGD

Clear Spring WWTP

Clear Spring · 13 mi away

0.12 MGD

Greenridge Forestry Camp

Flintstone · 16 mi away

0.0019 MGD

Conococheague WWTP

Williamsport · 19 mi away

2.26 MGD

Flintstone WWTP

Flintstone · 21 mi away

0.06 MGD

Funkstown WWTP

Funkstown · 25 mi away

0.05 MGD

Hunter Hill WWTP

Hagerstown · 25 mi away

0.0041 MGD

Oldtown WWTP

Oldtown · 27 mi away

0.0048 MGD

Hancock 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 March 19, 2025.

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

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