Klarifi Logo
Try for freeLog in
Klarifi Logo

Mt Pleasant Boro STP

340 Clay Ave, Mount Pleasant, PA 15666 · Westmoreland County · Publicly Owned Treatment Works

Average flow
1.28 MGD
Design flow
1.5 MGD
NPDES permit
PA0021148
Effective
Permit expires
June 2030
Population served
4,832
CWNS 2022

Mt Pleasant Boro STP is a publicly owned wastewater treatment works in Mount Pleasant, Westmoreland County, Pennsylvania treating an average of 1.28 million gallons per day against a permitted design capacity of 1.5 MGD, serving about 4,832 residents. It discharges under NPDES permit PA0021148 (effective), which expires in June 2030, with 8 recorded violations in the last three years. EPA has recorded 1 formal enforcement action naming the plant, the latest in April 2000.

Treatment technology

One treatment structure or unit process identified at Mt Pleasant Boro STP.

Available with a free Klarifi account

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

Create a free account

Compliance snapshot (last 3 years)

Total violations
8
Effluent violations
8

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

EPA enforcement history

Federal civil enforcement cases, compliance inspections and informal actions recorded for Mt Pleasant Boro STP in EPA's ICIS system.

Formal actions
1
0 since FY2020
Penalties assessed
$18,500
all cases
EPA inspections
0
none on record

Latest case · Apr 2000

MOUNT PLEASANT, BOROUGH OF

Judicial case · CWA, Violation of Existing AO · Final Order With Penalty · Penalty $18,500

Source: EPA ECHO, civil enforcement case 03-1988-0430.

Full case history with a free Klarifi account

Every action against Mt Pleasant Boro STP with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.

Create a free account

Key contacts

3 verified contacts for Mt Pleasant Boro STP, with validated emails and direct phone numbers.

Unlock 3 verified contacts

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

Try Klarifi free

Nearby wastewater treatment plants in Pennsylvania

Iron Bridge STP

Alverton · 2 mi away

0.16 MGD

Mtn Shadows Phase I STP

Norvelt · 4 mi away

—

Scottdale-Everson STP

Scottdale · 5 mi away

2.33 MGD

Mt Pleasant Twp STP

United · 6 mi away

0.14 MGD

New Stanton WPCP

Hunker · 7 mi away

4.84 MGD

Dunbar Twp Muni Auth STP

Dunbar · 8 mi away

0.31 MGD

Pleasant Unity STP

Greensburg · 8 mi away

0.59 MGD

Connellsville STP

Connellsville · 9 mi away

2.59 MGD

Mt Pleasant Boro 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 · Tertiary treatment · Significant industrial user · all terms


Try Klarifi for free

Create your own trial account and explore how Klarifi can help you.

Try for free