Knox Municipal WWTP
US 35 & Water St, Knox, IN 46534 · Starke County · Publicly Owned Treatment Works
- Average flow
- 0.31 MGD
- Design flow
- 0.7 MGD
- NPDES permit
- IN0021385
- Effective
- Permit expires
- December 2027
- Population served
- 3,662
- CWNS 2022
Knox Municipal WWTP is a publicly owned wastewater treatment works in Knox, Starke County, Indiana treating an average of 0.31 million gallons per day against a permitted design capacity of 0.7 MGD, serving about 3,662 residents. It discharges under NPDES permit IN0021385 (effective), which expires in December 2027, with 0 recorded violations in the last three years.
Treatment technology
One treatment structure or unit process identified at Knox Municipal WWTP.
Available with a free Klarifi account
See the full treatment train at Knox Municipal WWTP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 0
- Effluent violations
- 0
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
2 verified contacts for Knox Municipal WWTP, with validated emails and direct phone numbers.
Unlock 2 verified contacts
Names, validated emails and direct phone numbers for decision-makers at Knox Municipal WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Indiana
Knox · 5 mi away
0.12 MGD
Hamlet · 5 mi away
0.03 MGD
North Judson · 10 mi away
0.33 MGD
Walkerton · 10 mi away
0.06 MGD
Kingsford Heights · 12 mi away
0.07 MGD
Monterey · 13 mi away
0.04 MGD
Culver · 13 mi away
0.23 MGD
La Crosse · 13 mi away
0.09 MGD
Knox Municipal WWTP: 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 February 27, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Biosolids · Filter press · all terms