Brookport STP
North Baynes Street, Brookport, IL 62910 · Massac County · Publicly Owned Treatment Works
- Average flow
- 0.05 MGD
- Design flow
- 0.39 MGD
- NPDES permit
- IL0027782
- Effective
- Permit expires
- June 2028
- Population served
- 1,179
- CWNS 2022
Brookport STP is a publicly owned wastewater treatment works in Brookport, Massac County, Illinois treating an average of 0.05 million gallons per day against a permitted design capacity of 0.39 MGD, serving about 1,179 residents. It discharges under NPDES permit IL0027782 (effective), which expires in June 2028, with 15 recorded violations in the last three years.
Treatment technology
One treatment structure or unit process identified at Brookport STP.
Available with a free Klarifi account
See the full treatment train at Brookport STP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 15
- Effluent violations
- 15
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Brookport STP.
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Nearby wastewater treatment plants in Illinois
Joppa · 12 mi away
0.006 MGD
Golconda · 18 mi away
0.0064 MGD
Karnak · 21 mi away
0.0063 MGD
New Grand Chain · 23 mi away
0.01 MGD
Vienna · 24 mi away
0.3 MGD
Olmsted · 25 mi away
0.18 MGD
Rosiclare · 26 mi away
0.11 MGD
Cypress · 26 mi away
0.0026 MGD
Brookport STP: 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 November 6, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · FOG · Equalization tank · all terms