New Boston Stp, City Of
Cemetary Road, New Boston, IL 61272 · Mercer County · Publicly Owned Treatment Works
- Average flow
- 0.03 MGD
- Design flow
- 0.33 MGD
- NPDES permit
- IL0074926
- Effective
- Permit expires
- September 2028
- Population served
- 570
- CWNS 2022
New Boston Stp, City Of is a publicly owned wastewater treatment works in New Boston, Mercer County, Illinois treating an average of 0.03 million gallons per day against a permitted design capacity of 0.33 MGD, serving about 570 residents. It discharges under NPDES permit IL0074926 (effective), which expires in September 2028, with 15 recorded violations in the last three years.
Treatment technology
One treatment structure or unit process identified at New Boston Stp, City Of.
Available with a free Klarifi account
See the full treatment train at New Boston Stp, City Of: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 15
- Effluent violations
- 7
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
1 verified contact for New Boston Stp, City Of, with validated emails and direct phone numbers.
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Names, validated emails and direct phone numbers for decision-makers at New Boston Stp, City Of, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Illinois
Keithsburg · 5 mi away
0.06 MGD
Joy · 5 mi away
0.13 MGD
Aledo · 12 mi away
0.3 MGD
Aledo · 13 mi away
0.32 MGD
Matherville · 20 mi away
0.05 MGD
Reynolds · 21 mi away
0.14 MGD
Viola · 22 mi away
0.09 MGD
Biggsville · 22 mi away
0.02 MGD
New Boston Stp, City 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 19, 2026; facility record last updated November 6, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Biological nutrient removal · Tertiary treatment · all terms