Dry Creek Regional Wastewater Treatment Plant
1800 Booth Rd, Roseville, CA 95747 · Placer County · Publicly Owned Treatment Works
- Average flow
- —
- Design flow
- 18 MGD
- NPDES permit
- CAC426201
- Effective
- Permit expires
- September 2030
- Population served
- 120,655
- CWNS 2022
Dry Creek Regional Wastewater Treatment Plant is a publicly owned wastewater treatment works in Roseville, Placer County, California, serving about 120,655 residents. It discharges under NPDES permit CAC426201 (effective), which expires in September 2030, with 1 recorded violation in the last three years. EPA has recorded 1 formal enforcement action naming the plant, the latest in January 2008.
Treatment technology
3 treatment structures and unit processes identified at Dry Creek Regional Wastewater Treatment Plant.
Available with a free Klarifi account
See the full treatment train at Dry Creek Regional Wastewater Treatment Plant: structures, unit processes and planned upgrades, with exact unit counts.
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.
EPA enforcement history
Federal civil enforcement cases, compliance inspections and informal actions recorded for Dry Creek Regional Wastewater Treatment Plant in EPA's ICIS system.
- Formal actions
- 1
- 0 since FY2020
- Penalties assessed
- $2,000
- all cases
- EPA inspections
- 0
- none on record
Latest case · Jan 2008
City of Roseville
Administrative order · CAA, Prevention of Accidental Release/Risk Management Plans (RMPs) · Final Order With Penalty · Penalty $2,000
EPA's description of the case:
“This is an Administrative Penalty Action (Expedited Settlement Agreement), pursuant to CAA 112(r)7, issued to the City of Roseville, for the Dry Creek Wastewater Treatment Plant facility in…”
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Source: EPA ECHO, civil enforcement case 09-2008-3503.
Full case history with a free Klarifi account
Every action against Dry Creek Regional Wastewater Treatment Plant with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Key contacts
Decision-makers at Dry Creek Regional Wastewater Treatment Plant.
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Nearby wastewater treatment plants in California
Roseville · 5 mi away
—
Lincoln · 9 mi away
—
Auburn · 15 mi away
1.29 MGD
El Dorado Hills · 16 mi away
1.97 MGD
Sacramento · 18 mi away
16.24 MGD
Davis · 21 mi away
3.8 MGD
Elk Grove · 22 mi away
—
Woodland · 22 mi away
3.86 MGD
Dry Creek Regional Wastewater Treatment Plant: 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 October 26, 2026; facility record last updated July 31, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Ozonation · Activated sludge · all terms