City Of Macclenny Wastewater Facility
Macclenny, FL · Baker County · Publicly Owned Treatment Works
- Average flow
- 0.69 MGD
- Design flow
- 1.3 MGD
- NPDES permit
- FL0040495
- Effective
- Permit expires
- January 2030
- Population served
- 6,480
- CWNS 2022
City Of Macclenny Wastewater Facility is a publicly owned wastewater treatment works in Macclenny, Baker County, Florida treating an average of 0.69 million gallons per day against a permitted design capacity of 1.3 MGD, serving about 6,480 residents. Treatment on site includes clarifiers, uncovered lagoons. It discharges under NPDES permit FL0040495 (effective), which expires in January 2030, with 427 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Compliance snapshot (last 3 years)
- Total violations
- 427
- Effluent violations
- 13
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
2 verified contacts for City Of Macclenny Wastewater Facility, with validated emails and direct phone numbers.
Unlock 2 verified contacts
Names, validated emails and direct phone numbers for decision-makers at City Of Macclenny Wastewater Facility, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Florida
Jacksonville · 9 mi away
0.2 MGD
Middleburg · 21 mi away
1.65 MGD
Middleburg · 23 mi away
—
Jacksonville · 24 mi away
12.59 MGD
Orange Park · 26 mi away
0.96 MGD
Callahan · 28 mi away
0.14 MGD
Jacksonville · 30 mi away
24.34 MGD
Green Cove Springs · 32 mi away
0.26 MGD
City Of Macclenny Wastewater Facility: 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 18, 2026.