Okc South Canadian Wwt
Oklahoma City, OK · Oklahoma County · Publicly Owned Treatment Works
- Average flow
- 39.41 MGD
- Design flow
- 80 MGD
- NPDES permit
- OK0036978
- Effective
- Permit expires
- July 2029
- Population served
- 40,017
- CWNS 2022
Okc South Canadian Wwt is a publicly owned wastewater treatment works in Oklahoma City, Oklahoma County, Oklahoma treating an average of 39.41 million gallons per day against a permitted design capacity of 80 MGD, serving about 40,017 residents. It discharges under NPDES permit OK0036978 (effective), which expires in July 2029, with 189 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Treatment structure data not yet analyzed for this facility.
Compliance snapshot (last 3 years)
- Total violations
- 189
- Effluent violations
- 189
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Capital improvement projects in Oklahoma City
Oklahoma City's capital improvement plan lists 47 water, sewer and wastewater line items worth $322M starting 2026–2026. The largest budgeted items are shown here.
All water and sewer capital projects in Oklahoma City →
| Project | Budget | Years |
|---|---|---|
| Raw Water 2nd Atoka Pipeline - Lake Atoka to Lake Stanley Draper (Citywide) | $174,764,000 | 2026–2026 |
| Hefner WTP Upgrades - 3827 W. Hefner Road (Ward 8) | $15,018,000 | 2026–2026 |
| Citywide Water Main R & R - City Wide (Citywide) | $14,838,000 | 2026–2026 |
| Citywide Sanitary Sewer R & R - City Wide (Citywide) | $14,751,000 | 2026–2026 |
| N Canadian WWT R & R - 12800 N. Anderson Road (Ward 7) | $9,349,000 | 2026–2026 |
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
Decision-makers at Okc South Canadian Wwt.
No verified contacts on file yet
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Nearby wastewater treatment plants in Oklahoma
Valley Brook · 5 mi away
0.03 MGD
Del City · 5 mi away
2.08 MGD
Oklahoma City · 7 mi away
4.95 MGD
Spencer · 10 mi away
0.1 MGD
Moore · 12 mi away
4.94 MGD
Mustang · 13 mi away
1.66 MGD
Yukon · 14 mi away
3.06 MGD
Oklahoma City · 15 mi away
14.07 MGD
Okc South Canadian Wwt: 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 December 22, 2024.