Harristown Stp, Village Of
400 South Meridian Road, Harristown, IL 62537 · Macon County · Publicly Owned Treatment Works
- Average flow
- 0.08 MGD
- Design flow
- 0.63 MGD
- NPDES permit
- ILG580055
- Effective
- Permit expires
- May 2027
- Population served
- 1,448
- CWNS 2022
Harristown Stp, Village Of is a publicly owned wastewater treatment works in Harristown, Macon County, Illinois treating an average of 0.08 million gallons per day against a permitted design capacity of 0.63 MGD, serving about 1,448 residents. It discharges under NPDES permit ILG580055 (effective), which expires in May 2027, with 12 recorded violations in the last three years.
Treatment technology
2 treatment structures and unit processes identified at Harristown Stp, Village Of.
Available with a free Klarifi account
See the full treatment train at Harristown Stp, Village Of: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 12
- Effluent violations
- 12
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Harristown Stp, Village Of.
No verified contacts on file yet
Klarifi verifies plant and municipal decision-makers continuously. Start a free trial to browse contacts at nearby plants and flag this one for verification.
Nearby wastewater treatment plants in Illinois
Niantic · 4 mi away
0.06 MGD
Decatur · 5 mi away
34.42 MGD
Warrensburg · 7 mi away
0.06 MGD
Illiopolis · 7 mi away
0.18 MGD
Blue Mound · 9 mi away
0.1 MGD
Macon · 12 mi away
—
Stonington · 15 mi away
0.11 MGD
Maroa · 16 mi away
0.2 MGD
Harristown Stp, Village Of: 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 7, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Tertiary treatment · Significant industrial user · all terms