Town Of Cary - North Cary WWTP
Cary, NC · Wake County · Publicly Owned Treatment Works
- Average flow
- 5.91 MGD
- Design flow
- 12 MGD
- NPDES permit
- NC0048879
- Effective
- Permit expires
- February 2028
- Population served
- 90,508
- CWNS 2022
Town Of Cary - North Cary WWTP is a publicly owned wastewater treatment works in Cary, Wake County, North Carolina treating an average of 5.91 million gallons per day against a permitted design capacity of 12 MGD, serving about 90,508 residents. Treatment on site includes clarifiers, aerated lagoons, uncovered lagoons, carrousels / oxidation ditches. It discharges under NPDES permit NC0048879 (effective), which expires in February 2028, with 0 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Clarifiers
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Aerated lagoons
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Uncovered lagoons
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Carrousels / oxidation ditches
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Compliance snapshot (last 3 years)
- Total violations
- 0
- Effluent violations
- 0
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Capital improvement projects in Cary
Cary's capital improvement plan lists 29 water, sewer and wastewater line items worth $35M starting 2026–2026. The largest budgeted items are shown here.
All water and sewer capital projects in Cary →
| Project | Budget | Years |
|---|---|---|
| Walnut Creek Pump Station (PS) - Improvements | $10,500,000 | 2026–2026 |
| Aquastar - Water Meter & Radio Replacements | $3,500,000 | 2026–2026 |
| Sewer System Repair/Rehabilitation | $3,000,000 | 2026–2026 |
| Upgrade Water Lines | $3,000,000 | 2026–2026 |
| Trenton Road Water Line | $2,500,000 | 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 Town Of Cary - North Cary WWTP.
No verified contacts on file yet
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Nearby wastewater treatment plants in North Carolina
Durham · 7 mi away
4.35 MGD
Apex · 9 mi away
—
Apex · 13 mi away
5.1 MGD
Fuquay Varina · 14 mi away
0.07 MGD
Holly Springs · 14 mi away
—
Chapel Hill · 15 mi away
4.48 MGD
Fuquay Varina · 15 mi away
1.44 MGD
Raleigh · 18 mi away
47.06 MGD
Town Of Cary - North Cary 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 May 20, 2025.