Independence STP
Independence, VA · Grayson County · Publicly Owned Treatment Works
- Average flow
- 0.23 MGD
- Design flow
- 0.47 MGD
- NPDES permit
- VA0064424
- Effective
- Permit expires
- January 2027
- Population served
- 1,800
- CWNS 2022
Independence STP is a publicly owned wastewater treatment works in Independence, Grayson County, Virginia treating an average of 0.23 million gallons per day against a permitted design capacity of 0.47 MGD, serving about 1,800 residents. Treatment on site includes clarifiers, biological n removal, biosolids aerobic digestion, biosolids mechanical dewatering, biosolids thickening and other unit processes. It discharges under NPDES permit VA0064424 (effective), which expires in January 2027, with 1 recorded violation in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Clarifiers
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Biological N removal
unit processBiosolids Aerobic Digestion
unit processBiosolids Mechanical Dewatering
unit processBiosolids Thickening
unit processDisinfection, other chemical
unit processPrimary Clarification or Sedimentation
unit processScreening
unit processSuspended Growth, Aerobic
unit processUnlock exact unit counts →
Compliance snapshot (last 3 years)
- Total violations
- 1
- Effluent violations
- 1
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Independence STP.
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Nearby wastewater treatment plants in Virginia
Fries · 11 mi away
0.07 MGD
Galax · 11 mi away
1.47 MGD
Austinville · 21 mi away
0.0023 MGD
Lambsburg · 21 mi away
0.01 MGD
Rural Retreat · 22 mi away
0.14 MGD
Wytheville · 23 mi away
1.59 MGD
Hillsville · 24 mi away
0.36 MGD
Max Meadows · 27 mi away
0.28 MGD
Independence 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 September 1, 2026.