5585 State Route 405, Milton, PA 17847 · Northumberland County · Publicly Owned Treatment Works
Milton Wastewater Treatment Plant is a publicly owned wastewater treatment works in Milton, Northumberland County, Pennsylvania treating an average of 1.61 million gallons per day, serving about 9,793 residents. It discharges under NPDES permit PAL020273 (effective), which expires in December 2030, with 2 recorded violations in the last three years. EPA has recorded 2 formal enforcement actions naming the plant, the latest in January 2006.
One treatment structure or unit process identified at Milton Wastewater Treatment Plant.
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See the full treatment train at Milton Wastewater Treatment Plant: structures, unit processes and planned upgrades, with exact unit counts.
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Federal civil enforcement cases, compliance inspections and informal actions recorded for Milton Wastewater Treatment Plant in EPA's ICIS system.
Latest case · Jan 2006
MILTON WASTEWATER TREATMENT PLANT/MILTON REGIONAL SEWER AUTHORITY
Administrative order · CAA, Prevention of Accidental Release/Risk Management Plans (RMPs) · Final Order Issued · Penalty $400 · Compliance actions $400
Source: EPA ECHO, civil enforcement case 03-2005-0291.
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Every action against Milton Wastewater Treatment Plant with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Decision-makers at Milton Wastewater Treatment Plant.
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New Columbia · 2 mi away
0.26 MGD
Milton · 4 mi away
0.02 MGD
Danville · 8 mi away
0.0037 MGD
New Berlin · 11 mi away
0.19 MGD
Mifflinburg · 11 mi away
0.65 MGD
Washingtonville · 11 mi away
0.05 MGD
Sunbury · 11 mi away
2.1 MGD
Danville · 13 mi away
1.75 MGD
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 March 3, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Centrate · Ozonation · all terms