St. Marys Glacier Wsd
Idaho Springs, CO · Clear Creek County · Publicly Owned Treatment Works
- Average flow
- 0.11 MGD
- Design flow
- 0.6 MGD
- NPDES permit
- CO0023094
- Administratively continued
- Permit expires
- June 2021
- Population served
- 475
- CWNS 2022
St. Marys Glacier Wsd is a publicly owned wastewater treatment plant in Idaho Springs, Clear Creek County, Colorado treating an average of 0.11 million gallons per day against a permitted design capacity of 0.6 MGD, serving about 475 residents. Treatment on site includes uncovered lagoons. It discharges under NPDES permit CO0023094 (administratively continued), which expires in June 2021, with 113 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Uncovered lagoons
Unlock
Unlock exact unit counts →
Compliance snapshot (last 3 years)
- Total violations
- 113
- Effluent violations
- 93
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
1 verified contact for St. Marys Glacier Wsd, with validated emails and direct phone numbers.
Unlock 1 verified contact
Names, validated emails and direct phone numbers for decision-makers at St. Marys Glacier Wsd, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Colorado
Georgetown · 6 mi away
0.26 MGD
Blackhawk · 7 mi away
0.001 MGD
Winter Park · 9 mi away
0.2 MGD
Nederland · 9 mi away
0.03 MGD
Idaho Springs · 10 mi away
0.23 MGD
Black Hawk · 12 mi away
0.49 MGD
Evergreen · 14 mi away
0.0064 MGD
Tabernash · 17 mi away
0.04 MGD
St. Marys Glacier Wsd: 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 27, 2025.