Golden City Of
Jefferson County, CO · Jefferson County · Publicly Owned Treatment Works
- Average flow
- 1.73 MGD
- Design flow
- 4.8 MGD
- NPDES permit
- CO0042170
- Administratively continued
- Permit expires
- September 2017
- Population served
- —
- CWNS 2022
Golden City Of is a publicly owned wastewater treatment plant in Jefferson County, Jefferson County, Colorado treating an average of 1.73 million gallons per day against a permitted design capacity of 4.8 MGD. Treatment on site includes aerated lagoons, uncovered lagoons. It discharges under NPDES permit CO0042170 (administratively continued), which expires in September 2017, with 0 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
- 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 Golden City Of.
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Idaho Springs · 17 mi away
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Golden City Of: 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 16, 2025.