Ok City Water Util Trst-Chisholm
Edmond, OK · Oklahoma County · Publicly Owned Treatment Works
- Average flow
- 5.61 MGD
- Design flow
- 10 MGD
- NPDES permit
- OK0027553
- Effective
- Permit expires
- August 2029
- Population served
- 74,455
- CWNS 2022
Ok City Water Util Trst-Chisholm is a publicly owned wastewater treatment plant in Edmond, Oklahoma County, Oklahoma treating an average of 5.61 million gallons per day against a permitted design capacity of 10 MGD, serving about 74,455 residents. Treatment on site includes clarifiers, aerated lagoons, uncovered lagoons. It discharges under NPDES permit OK0027553 (effective), which expires in August 2029, with 21 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Compliance snapshot (last 3 years)
- Total violations
- 21
- Effluent violations
- 21
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Capital improvement projects in Edmond
Edmond's capital improvement plan lists 16 water, sewer and wastewater line items worth $72M starting 2026–2029. The largest budgeted items are shown here.
All water and sewer capital projects in Edmond →
| Project | Budget | Years |
|---|---|---|
| Annual Line Replacement | $23,800,000 | 2026–2030 |
| Sewer system construction, rehabilitation and replacement (Includes construction, easement purchases & engineering) | $23,000,000 | 2026–2030 |
| Master Plan Engineering | $7,500,000 | 2026–2030 |
| WTP Expansion Engineering/Inspection Fees | $5,500,000 | 2026–2026 |
| Master Plan Engineering | $5,000,000 | 2026–2030 |
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
2 verified contacts for Ok City Water Util Trst-Chisholm, with validated emails and direct phone numbers.
Unlock 2 verified contacts
Names, validated emails and direct phone numbers for decision-makers at Ok City Water Util Trst-Chisholm, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Oklahoma
Oklahoma City · 3 mi away
14.07 MGD
Edmond · 8 mi away
6.9 MGD
Spencer · 14 mi away
0.1 MGD
Oklahoma City · 15 mi away
4.95 MGD
Guthrie · 15 mi away
0.76 MGD
Oklahoma City · 16 mi away
39.41 MGD
Yukon · 17 mi away
3.06 MGD
Del City · 19 mi away
2.08 MGD
Ok City Water Util Trst-Chisholm: 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 April 6, 2025.