Green Cove Springs, City Of - Harbor Road WWTF
Green Cove Springs, FL · Clay County · Publicly Owned Treatment Works
- Average flow
- 0.26 MGD
- Design flow
- 1.25 MGD
- NPDES permit
- FL0635618
- Effective
- Permit expires
- March 2030
- Population served
- 9,784
- CWNS 2022
Green Cove Springs, City Of - Harbor Road WWTF is a publicly owned wastewater treatment works in Green Cove Springs, Clay County, Florida treating an average of 0.26 million gallons per day against a permitted design capacity of 1.25 MGD, serving about 9,784 residents. Treatment on site includes clarifiers, carrousels / oxidation ditches, biosolids aerobic digestion, biosolids drying, disinfection, chlorine/ chloramine and other unit processes. It discharges under NPDES permit FL0635618 (effective), which expires in March 2030, with 8 recorded violations 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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Carrousels / oxidation ditches
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Biosolids Aerobic Digestion
unit processBiosolids Drying
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
- 8
- Effluent violations
- 8
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
22 verified contacts for Green Cove Springs, City Of - Harbor Road WWTF, with validated emails and direct phone numbers.
Unlock 22 verified contacts (19 more than shown)
Names, validated emails and direct phone numbers for decision-makers at Green Cove Springs, City Of - Harbor Road WWTF, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Florida
Green Cove Springs · 2 mi away
0.26 MGD
Jacksonville · 8 mi away
4.35 MGD
Middleburg · 8 mi away
—
Middleburg · 10 mi away
1.65 MGD
Orange Park · 12 mi away
0.96 MGD
St Augustine · 12 mi away
2.6 MGD
Jacksonville · 16 mi away
3.74 MGD
Jacksonville · 16 mi away
12.59 MGD
Green Cove Springs, City Of - Harbor Road WWTF: 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 March 27, 2025.