Russian River POTW
18400 Neely Road, Guerneville, CA 95446 · Sonoma County · Publicly Owned Treatment Works
- Average flow
- 0.31 MGD
- Design flow
- 3.5 MGD
- NPDES permit
- CA0024058
- Expired
- Permit expires
- April 2019
- Population served
- —
- CWNS 2022
Russian River POTW is a publicly owned wastewater treatment works in Guerneville, Sonoma County, California treating an average of 0.31 million gallons per day against a permitted design capacity of 3.5 MGD. It discharges under NPDES permit CA0024058 (expired), which expires in April 2019, with 17 recorded violations in the last three years.
Treatment technology
2 treatment structures and unit processes identified at Russian River POTW.
Available with a free Klarifi account
See the full treatment train at Russian River POTW: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 17
- Effluent violations
- 8
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Russian River POTW.
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Nearby wastewater treatment plants in California
Forestville · 6 mi away
0.15 MGD
Graton · 7 mi away
0.3 MGD
Healdsburg · 10 mi away
1.14 MGD
Windsor · 11 mi away
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Windsor · 11 mi away
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Santa Rosa · 15 mi away
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Cloverdale · 21 mi away
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Calistoga · 25 mi away
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Russian River POTW: 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 November 7, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Biological nutrient removal · Tertiary treatment · all terms