Highspire Boro - STP
297 Industrial Rd, Highspire, PA 17034 · Dauphin County · Publicly Owned Treatment Works
- Average flow
- 0.63 MGD
- Design flow
- 2 MGD
- NPDES permit
- PA0024040
- Effective
- Permit expires
- February 2027
- Population served
- —
- CWNS 2022
Highspire Boro - STP is a publicly owned wastewater treatment works in Highspire, Dauphin County, Pennsylvania treating an average of 0.63 million gallons per day against a permitted design capacity of 2 MGD. It discharges under NPDES permit PA0024040 (effective), which expires in February 2027, with 2 recorded violations in the last three years.
Treatment technology
3 treatment structures and unit processes identified at Highspire Boro - STP.
Available with a free Klarifi account
See the full treatment train at Highspire Boro - STP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 2
- Effluent violations
- 2
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Highspire Boro - STP.
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Nearby wastewater treatment plants in Pennsylvania
Harrisburg · 4 mi away
17.17 MGD
New Cumberland · 5 mi away
4.1 MGD
Hummelstown · 5 mi away
3.37 MGD
York Haven · 5 mi away
0.5 MGD
Lemoyne · 6 mi away
0.26 MGD
Lewisberry · 6 mi away
0.04 MGD
Bainbridge · 7 mi away
0.01 MGD
Camp Hill · 8 mi away
1.94 MGD
Highspire 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 May 24, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Equalization tank · Centrate · all terms