East Hanover Twp Dairy Ln STP
Grantville, PA · Dauphin County · Publicly Owned Treatment Works
- Average flow
- 0.17 MGD
- Design flow
- 0.25 MGD
- NPDES permit
- PA0247464
- Effective
- Permit expires
- February 2027
- Population served
- —
- CWNS 2022
East Hanover Twp Dairy Ln STP is a publicly owned wastewater treatment works in Grantville, Dauphin County, Pennsylvania treating an average of 0.17 million gallons per day against a permitted design capacity of 0.25 MGD. It discharges under NPDES permit PA0247464 (effective), which expires in February 2027, with 14 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Treatment structure data not yet analyzed for this facility.
Compliance snapshot (last 3 years)
- Total violations
- 14
- Effluent violations
- 14
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
2 verified contacts for East Hanover Twp Dairy Ln STP, with validated emails and direct phone numbers.
Unlock 2 verified contacts
Names, validated emails and direct phone numbers for decision-makers at East Hanover Twp Dairy Ln STP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Pennsylvania
Campbelltown · 4 mi away
0.14 MGD
Harrisburg · 4 mi away
0.45 MGD
Campbelltown · 5 mi away
0.12 MGD
Annville · 6 mi away
0.56 MGD
Hummelstown · 8 mi away
2.91 MGD
Jonestown · 9 mi away
0.22 MGD
Lebanon · 10 mi away
5.22 MGD
Jonestown · 10 mi away
0.07 MGD
East Hanover Twp Dairy Ln 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 September 11, 2026; facility record last updated October 1, 2025.