Millboro STP
Route 636, 0.2 Mile E Of Route, Millboro, VA 24460 · Bath County · Publicly Owned Treatment Works
- Average flow
- 0.02 MGD
- Design flow
- 0.05 MGD
- NPDES permit
- VA0073156
- Effective
- Permit expires
- August 2030
- Population served
- 721
- CWNS 2022
Millboro STP is a publicly owned wastewater treatment works in Millboro, Bath County, Virginia treating an average of 0.02 million gallons per day against a permitted design capacity of 0.05 MGD, serving about 721 residents. It discharges under NPDES permit VA0073156 (effective), which expires in August 2030, with 26 recorded violations in the last three years.
Treatment technology
One treatment structure or unit process identified at Millboro STP.
Available with a free Klarifi account
See the full treatment train at Millboro STP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 26
- Effluent violations
- 26
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Millboro STP.
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Nearby wastewater treatment plants in Virginia
Warm Springs · 12 mi away
0.03 MGD
Craigsville · 14 mi away
0.15 MGD
Hot Springs · 15 mi away
0.31 MGD
Lexington · 16 mi away
0.91 MGD
Iron Gate · 16 mi away
0.96 MGD
Hot Springs · 17 mi away
0.0069 MGD
Glen Wilton · 20 mi away
0.0046 MGD
Low Moor · 21 mi away
0.13 MGD
Millboro 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 26, 2026; facility record last updated September 3, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Anaerobic digester · Lift station · all terms