Collinsville Lagoon
County Road 51, Collinsville, AL 35961 · Dekalb County · Publicly Owned Treatment Works
- Average flow
- 0.11 MGD
- Design flow
- 0.3 MGD
- NPDES permit
- AL0024236
- Effective
- Permit expires
- May 2027
- Population served
- 2,312
- CWNS 2022
Collinsville Lagoon is a publicly owned wastewater treatment works in Collinsville, Dekalb County, Alabama treating an average of 0.11 million gallons per day against a permitted design capacity of 0.3 MGD, serving about 2,312 residents. It discharges under NPDES permit AL0024236 (effective), which expires in May 2027, with 18 recorded violations in the last three years.
Treatment technology
One treatment structure or unit process identified at Collinsville Lagoon.
Available with a free Klarifi account
See the full treatment train at Collinsville Lagoon: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 18
- Effluent violations
- 18
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
1 verified contact for Collinsville Lagoon, with validated emails and direct phone numbers.
Unlock 1 verified contact
Names, validated emails and direct phone numbers for decision-makers at Collinsville Lagoon, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Alabama
Crossville · 4 mi away
0.08 MGD
Leesburg · 9 mi away
0.1 MGD
Fort Payne · 13 mi away
1.59 MGD
Rainsville · 14 mi away
0.79 MGD
Cedar Bluff · 17 mi away
0.14 MGD
Albertville · 17 mi away
7.76 MGD
Boaz · 18 mi away
2.72 MGD
Guntersville · 20 mi away
0.02 MGD
Collinsville 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 October 26, 2026; facility record last updated January 28, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Lift station · Sludge dewatering · all terms