Darbydale WWTP
Sandy Ln And State Rte 665, Columbus, OH 43215 · Franklin County · Publicly Owned Treatment Works
- Average flow
- 0.26 MGD
- Design flow
- 0.45 MGD
- NPDES permit
- OH0130923
- Effective
- Permit expires
- August 2030
- Population served
- 3,801
- CWNS 2022
Darbydale WWTP is a publicly owned wastewater treatment works in Columbus, Franklin County, Ohio treating an average of 0.26 million gallons per day against a permitted design capacity of 0.45 MGD, serving about 3,801 residents. It discharges under NPDES permit OH0130923 (effective), which expires in August 2030, with 15 recorded violations in the last three years.
Treatment technology
One treatment structure or unit process identified at Darbydale WWTP.
Available with a free Klarifi account
See the full treatment train at Darbydale WWTP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 15
- Effluent violations
- 15
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Capital improvement projects in Columbus
Columbus's capital improvement plan lists 297 water, sewer and wastewater line items worth $4.2B starting 2025–2029. The largest budgeted items are shown here.
All water and sewer capital projects in Columbus →
| Project | Budget | Years |
|---|---|---|
| Fourth Water Plant | $548,000,000 | 2025–2028 |
| Williams and Castle Interceptor | $361,500,000 | 2025–2029 |
| Three Creeks Relief Tunnel | $249,500,000 | 2025–2028 |
| SWWTP Effluent Pump Station Expansion | $228,400,000 | 2027–2029 |
| Fourth Water Plant Transmission Main | $217,500,000 | 2025–2029 |
Full project details — scope, funding source, engineering consultant and the decision-makers behind each project — are available in Klarifi, along with similar wastewater capital projects in other cities.
Key contacts
1 verified contact for Darbydale WWTP, with validated emails and direct phone numbers.
Unlock 1 verified contact
Names, validated emails and direct phone numbers for decision-makers at Darbydale WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Ohio
Grove City · 4 mi away
0.00067 MGD
Orient · 4 mi away
0.76 MGD
West Jefferson · 7 mi away
1.24 MGD
West Jefferson · 9 mi away
0.0029 MGD
Columbus · 9 mi away
0.07 MGD
Lockbourne · 9 mi away
112.28 MGD
Columbus · 9 mi away
0.0013 MGD
Commercial Point · 10 mi away
0.77 MGD
Darbydale 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 September 27, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Lift station · Sludge dewatering · all terms