Miller Street Rmf
Middleburg, FL · Clay County · Publicly Owned Treatment Works
- Average flow
- 1.65 MGD
- Design flow
- 4.99 MGD
- NPDES permit
- FL0025151
- Effective
- Permit expires
- August 2029
- Population served
- 70,042
- CWNS 2022
Miller Street Rmf is a publicly owned wastewater treatment plant in Middleburg, Clay County, Florida treating an average of 1.65 million gallons per day against a permitted design capacity of 4.99 MGD, serving about 70,042 residents. Treatment on site includes uncovered lagoons, biogas balloons, biosolids chemical addition, biosolids mechanical dewatering, disinfection, chlorine/ chloramine and other unit processes. It discharges under NPDES permit FL0025151 (effective), which expires in August 2029, with 2 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Uncovered lagoons
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Biogas balloons
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Biosolids Chemical Addition
unit processBiosolids Mechanical Dewatering
unit processDisinfection, chlorine/ chloramine
unit processPrimary Clarification or Sedimentation
unit processScreening
unit processSuspended Growth, Aerobic
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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
1 verified contact for Miller Street Rmf, with validated emails and direct phone numbers.
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Names, validated emails and direct phone numbers for decision-makers at Miller Street Rmf, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Florida
Middleburg · 2 mi away
—
Orange Park · 8 mi away
0.96 MGD
Jacksonville · 10 mi away
12.59 MGD
Green Cove Springs · 10 mi away
0.26 MGD
Green Cove Springs · 13 mi away
0.26 MGD
Jacksonville · 14 mi away
4.35 MGD
Jacksonville · 16 mi away
0.2 MGD
Jacksonville · 19 mi away
3.74 MGD
Miller Street Rmf: 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 August 3, 2026.