South Ft. Collins Sanit. Dist.
Fort Collins, CO · Larimer County · Publicly Owned Treatment Works
- Average flow
- 4.23 MGD
- Design flow
- 4.5 MGD
- NPDES permit
- CO0020737
- Administratively continued
- Permit expires
- January 2018
- Population served
- 14,153
- CWNS 2022
South Ft. Collins Sanit. Dist. is a publicly owned wastewater treatment plant in Fort Collins, Larimer County, Colorado treating an average of 4.23 million gallons per day against a permitted design capacity of 4.5 MGD, serving about 14,153 residents. Treatment on site includes clarifiers, carrousels / oxidation ditches, biogas balloons. It discharges under NPDES permit CO0020737 (administratively continued), which expires in January 2018, with 1 recorded violation 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
- 1
- Effluent violations
- 1
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Capital improvement projects in Fort Collins
Fort Collins's capital improvement plan lists 19 water, sewer and wastewater line items worth $49M starting 2025–2025. The largest budgeted items are shown here.
All water and sewer capital projects in Fort Collins →
| Project | Budget | Years |
|---|---|---|
| Utilities: Wastewater - Water Reclamation and Biosolids | $14,625,747 | 2025–2026 |
| Utilities: Wastewater - Trunk & Collection | $4,400,641 | 2025–2026 |
| Utilities: Wastewater - DWRF Septage Receiving | $3,800,000 | 2025–2025 |
| Utilities: Wastewater - Collection System Replacement | $3,500,000 | 2025–2026 |
| Utilities: Wastewater - Collection Small Capital Projects | $3,500,000 | 2025–2026 |
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
1 verified contact for South Ft. Collins Sanit. Dist., with validated emails and direct phone numbers.
Unlock 1 verified contact
Names, validated emails and direct phone numbers for decision-makers at South Ft. Collins Sanit. Dist., plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Colorado
Johnstown · 7 mi away
0.55 MGD
Fort Collins · 7 mi away
—
Windsor · 9 mi away
2.85 MGD
Berthoud · 13 mi away
1.61 MGD
Milliken · 14 mi away
0.53 MGD
Mead · 17 mi away
0.33 MGD
Greeley · 18 mi away
1.79 MGD
Greeley · 19 mi away
9.4 MGD
South Ft. Collins Sanit. Dist.: 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 March 19, 2025.