Covelo WWTP
76001 Commercial St, Covelo, CA 95428 · Mendocino County · Publicly Owned Treatment Works
- Average flow
- —
- Design flow
- 0.08 MGD
- NPDES permit
- CA0023574
- Effective
- Permit expires
- July 2028
- Population served
- 1,080
- CWNS 2022
Covelo WWTP is a publicly owned wastewater treatment works in Covelo, Mendocino County, California, serving about 1,080 residents. It discharges under NPDES permit CA0023574 (effective), which expires in July 2028, with 395 recorded violations in the last three years.
Treatment technology
One treatment structure or unit process identified at Covelo WWTP.
Available with a free Klarifi account
See the full treatment train at Covelo WWTP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 395
- 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 Covelo WWTP.
No verified contacts on file yet
Klarifi verifies plant and municipal decision-makers continuously. Start a free trial to browse contacts at nearby plants and flag this one for verification.
Nearby wastewater treatment plants in California
Willits · 26 mi away
1.01 MGD
Fort Bragg · 39 mi away
0.7 MGD
Redway · 39 mi away
—
Mendocino · 45 mi away
0.09 MGD
Ukiah · 47 mi away
—
Whitethorn · 47 mi away
0.08 MGD
Willows · 60 mi away
0.57 MGD
Red Bluff · 60 mi away
1.26 MGD
Covelo 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 October 26, 2026; facility record last updated January 30, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Sludge dewatering · Biological nutrient removal · all terms