Hangtown Creek WWTP
Placerville, CA · El Dorado County · Publicly Owned Treatment Works
- Average flow
- —
- Design flow
- 2 MGD
- NPDES permit
- CAC439621
- Expired
- Permit expires
- November 2022
- Population served
- 9,000
- CWNS 2022
Hangtown Creek WWTP is a publicly owned wastewater treatment works in Placerville, El Dorado County, California, serving about 9,000 residents. Treatment on site includes clarifiers, uncovered lagoons, biogas silos. It discharges under NPDES permit CAC439621 (expired), which expires in November 2022, with 56 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
- 56
- Effluent violations
- 5
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Hangtown Creek WWTP.
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Auburn · 18 mi away
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Auburn · 24 mi away
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Roseville · 25 mi away
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Lincoln · 28 mi away
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Roseville · 29 mi away
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Ione · 32 mi away
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Hangtown Creek 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 August 19, 2026.