City Of Fortuna - Municipal Wastewater Plant
180 Dinsmore Dr, Fortuna, CA 95540 · Humboldt County · Publicly Owned Treatment Works
- Average flow
- 1.13 MGD
- Design flow
- 1.5 MGD
- NPDES permit
- CA0022730
- Expired
- Permit expires
- October 2022
- Population served
- 11,638
- CWNS 2022
City Of Fortuna - Municipal Wastewater Plant is a publicly owned wastewater treatment works in Fortuna, Humboldt County, California treating an average of 1.13 million gallons per day against a permitted design capacity of 1.5 MGD, serving about 11,638 residents. It discharges under NPDES permit CA0022730 (expired), which expires in October 2022, with 121 recorded violations 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 City Of Fortuna - Municipal Wastewater Plant.
Available with a free Klarifi account
See the full treatment train at City Of Fortuna - Municipal Wastewater Plant: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 121
- Effluent violations
- 32
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 City Of Fortuna - Municipal Wastewater Plant in EPA's ICIS system.
- Formal actions
- 1
- 0 since FY2020
- Penalties assessed
- $800
- all cases
- EPA inspections
- 0
- none on record
Latest case · Jan 2008
City of Fortuna Wastewater Treatment Plant
Administrative order · CAA, Prevention of Accidental Release/Risk Management Plans (RMPs) · Final Order With Penalty · Penalty $800
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 Fortuna, California for their wastewater treatment plant. The violation…”
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Source: EPA ECHO, civil enforcement case 09-2008-3500.
Full case history with a free Klarifi account
Every action against City Of Fortuna - Municipal Wastewater Plant with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Capital improvement projects in Fortuna
Fortuna's capital improvement plan lists 15 water, sewer and wastewater line items worth $15M starting 2024–2026. The largest budgeted items are shown here.
All water and sewer capital projects in Fortuna →
| Project | Budget | Years |
|---|---|---|
| NPDES Compliance | $5,600,000 | 2024–2026 |
| Sewer Lining Project | $3,235,000 | 2024–2026 |
| Corrosion Control Facility Piping Project | $1,500,000 | 2024–2026 |
| Sanitary Sewer CCTV Project | $1,425,000 | 2024–2025 |
| Downtown Water Line Replacement | $795,000 | 2024–2026 |
Full project details — scope, funding source, engineering consultant and the decision-makers behind each project — are available in Klarifi, along with similar wastewater capital projects in other cities.
Key contacts
4 verified contacts for City Of Fortuna - Municipal Wastewater Plant, with validated emails and direct phone numbers.
Unlock 4 verified contacts (1 more than shown)
Names, validated emails and direct phone numbers for decision-makers at City Of Fortuna - Municipal Wastewater Plant, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in California
Loleta · 5 mi away
0.07 MGD
Ferndale · 5 mi away
0.29 MGD
Rio Dell · 7 mi away
0.35 MGD
Scotia · 8 mi away
0.0031 MGD
Eureka · 12 mi away
—
Samoa · 16 mi away
0.01 MGD
Arcata · 18 mi away
1.38 MGD
Mckinleyville · 25 mi away
0.93 MGD
City Of Fortuna - Municipal Wastewater 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 March 20, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Significant industrial user · WWTP · all terms