Nassau Regional WWTF
State Road 200 (A1A) At Chester Road, Yulee, FL 32097 · Nassau County · Publicly Owned Treatment Works
- Average flow
- 1.71 MGD
- Design flow
- 4 MGD
- NPDES permit
- FL0116793
- Effective
- Permit expires
- January 2031
- Population served
- 14,972
- CWNS 2022
Nassau Regional WWTF is a publicly owned wastewater treatment works in Yulee, Nassau County, Florida treating an average of 1.71 million gallons per day against a permitted design capacity of 4 MGD, serving about 14,972 residents. It discharges under NPDES permit FL0116793 (effective), which expires in January 2031, with 247 recorded violations in the last three years.
Treatment technology
8 treatment structures and unit processes identified at Nassau Regional WWTF.
Available with a free Klarifi account
See the full treatment train at Nassau Regional WWTF: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 247
- Effluent violations
- 52
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
2 verified contacts for Nassau Regional WWTF, with validated emails and direct phone numbers.
Unlock 2 verified contacts
Names, validated emails and direct phone numbers for decision-makers at Nassau Regional WWTF, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Florida
Fernandina Beach · 7 mi away
0.95 MGD
Callahan · 17 mi away
0.15 MGD
Jacksonville · 17 mi away
0.02 MGD
Jacksonville · 19 mi away
21.38 MGD
Callahan · 20 mi away
0.0099 MGD
Hilliard · 22 mi away
0.26 MGD
Jacksonville · 26 mi away
1 MGD
Ponte Vedra Beach · 28 mi away
0.32 MGD
Nassau Regional 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 October 26, 2026; facility record last updated October 22, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Centrate · Ozonation · all terms