Crestline WWTP
Crestline, OH · Crawford County · Publicly Owned Treatment Works
- Average flow
- 0.4 MGD
- Design flow
- 0.95 MGD
- NPDES permit
- OH0020664
- Effective
- Permit expires
- February 2029
- Population served
- 4,521
- CWNS 2022
Crestline WWTP is a publicly owned wastewater treatment works in Crestline, Crawford County, Ohio treating an average of 0.4 million gallons per day against a permitted design capacity of 0.95 MGD, serving about 4,521 residents. Treatment on site includes clarifiers. It discharges under NPDES permit OH0020664 (effective), which expires in February 2029, with 127 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Clarifiers
Unlock
Unlock exact unit counts →
Compliance snapshot (last 3 years)
- Total violations
- 127
- Effluent violations
- 121
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Crestline WWTP.
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 Ohio
Galion · 6 mi away
1.42 MGD
Bucyrus · 6 mi away
0.0029 MGD
Bucyrus · 8 mi away
0.0033 MGD
Bucyrus · 8 mi away
0.00061 MGD
Bucyrus · 9 mi away
0.0026 MGD
Shelby · 10 mi away
1.42 MGD
Lexington · 13 mi away
0.47 MGD
Bucyrus · 13 mi away
1.44 MGD
Crestline 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 September 11, 2026; facility record last updated November 29, 2025.