Piedmont Lagoon
Piedmont, AL · Calhoun County · Publicly Owned Treatment Works
- Average flow
- 0.8 MGD
- Design flow
- 1.55 MGD
- NPDES permit
- AL0024376
- Effective
- Permit expires
- April 2029
- Population served
- 8,340
- CWNS 2022
Piedmont Lagoon is a publicly owned wastewater treatment works in Piedmont, Calhoun County, Alabama treating an average of 0.8 million gallons per day against a permitted design capacity of 1.55 MGD, serving about 8,340 residents. Treatment on site includes clarifiers, aerated lagoons. It discharges under NPDES permit AL0024376 (effective), which expires in April 2029, with 37 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
- 37
- Effluent violations
- 34
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
2 verified contacts for Piedmont Lagoon, with validated emails and direct phone numbers.
Unlock 2 verified contacts
Names, validated emails and direct phone numbers for decision-makers at Piedmont Lagoon, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Alabama
Jacksonville · 13 mi away
1.2 MGD
Leesburg · 20 mi away
0.04 MGD
Cedar Bluff · 20 mi away
0.02 MGD
Alexandria · 20 mi away
0.0055 MGD
Glencoe · 21 mi away
0.07 MGD
Heflin · 21 mi away
0.21 MGD
Southside · 24 mi away
0.07 MGD
Gadsden · 26 mi away
4.15 MGD
Piedmont Lagoon: 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 November 8, 2025.