Rainbow Park WWTP
Florence, CO · Fremont County · Publicly Owned Treatment Works
- Average flow
- 4.7 MGD
- Design flow
- 8.5 MGD
- NPDES permit
- CO0039748
- Administratively continued
- Permit expires
- February 2020
- Population served
- 47,504
- CWNS 2022
Rainbow Park WWTP is a publicly owned wastewater treatment works in Florence, Fremont County, Colorado treating an average of 4.7 million gallons per day against a permitted design capacity of 8.5 MGD, serving about 47,504 residents. Treatment on site includes clarifiers. It discharges under NPDES permit CO0039748 (administratively continued), which expires in February 2020, 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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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.
Key contacts
Decision-makers at Rainbow Park WWTP.
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Victor · 22 mi away
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Cripple Creek · 25 mi away
0.24 MGD
Fountain · 27 mi away
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Westcliffe · 28 mi away
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Colorado Springs · 33 mi away
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Colorado Springs · 38 mi away
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Divide · 39 mi away
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Rainbow Park 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 March 11, 2025.