Newark WWTP
1003 E. Main St., Newark, OH 43055 · Licking County · Publicly Owned Treatment Works
- Average flow
- 8.3 MGD
- Design flow
- 9 MGD
- NPDES permit
- OH0026671
- Effective
- Permit expires
- June 2031
- Population served
- 50,383
- CWNS 2022
Newark WWTP is a publicly owned wastewater treatment works in Newark, Licking County, Ohio treating an average of 8.3 million gallons per day against a permitted design capacity of 9 MGD, serving about 50,383 residents. It discharges under NPDES permit OH0026671 (effective), which expires in June 2031, with 472 recorded violations in the last three years. EPA has recorded 1 formal enforcement action naming the plant, the latest in February 1998.
Treatment technology
3 treatment structures and unit processes identified at Newark WWTP.
Available with a free Klarifi account
See the full treatment train at Newark WWTP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 472
- Effluent violations
- 13
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
EPA enforcement history
Federal civil enforcement cases, compliance inspections and informal actions recorded for Newark WWTP in EPA's ICIS system.
- Formal actions
- 1
- 0 since FY2020
- Penalties assessed
- $4,000
- all cases
- EPA inspections
- 0
- none on record
Latest case · Feb 1998
NEWARK WWTP, CITY OF
Administrative order · CWA, Sewage Sludge Disposal · Final Order With Penalty · Penalty $4,000
Source: EPA ECHO, civil enforcement case 05-1997-0382.
Full case history with a free Klarifi account
Every action against Newark WWTP with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Key contacts
4 verified contacts for Newark WWTP, with validated emails and direct phone numbers.
Unlock 4 verified contacts (1 more than shown)
Names, validated emails and direct phone numbers for decision-makers at Newark WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Ohio
Heath · 3 mi away
1.16 MGD
Newark · 4 mi away
0.0069 MGD
Newark · 6 mi away
0.004 MGD
Heath · 7 mi away
0.009 MGD
Granville · 8 mi away
0.5 MGD
Hebron · 8 mi away
0.69 MGD
Buckeye Lake · 11 mi away
1.15 MGD
Thornville · 12 mi away
0.3 MGD
Newark 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 May 2, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Biological nutrient removal · Tertiary treatment · all terms