Lakota WWTP
3203 SW Dash Point Rd, Federal Way, WA 98023 · King County · Publicly Owned Treatment Works
- Average flow
- 4.96 MGD
- Design flow
- —
- NPDES permit
- WA0022624
- Administratively continued
- Permit expires
- September 2023
- Population served
- 69,957
- CWNS 2022
Lakota WWTP is a publicly owned wastewater treatment works in Federal Way, King County, Washington treating an average of 4.96 million gallons per day, serving about 69,957 residents. It discharges under NPDES permit WA0022624 (administratively continued), which expires in September 2023, with 4 recorded violations in the last three years.
Treatment technology
2 treatment structures and unit processes identified at Lakota WWTP.
Available with a free Klarifi account
See the full treatment train at Lakota WWTP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 4
- Effluent violations
- 0
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Capital improvement projects in Federal Way
Federal Way's capital improvement plan lists 21 water, sewer and wastewater line items worth $49M starting 2025–2030. The largest budgeted items are shown here.
All water and sewer capital projects in Federal Way →
| Project | Budget | Years |
|---|---|---|
| West Hylebos Trail (Spring Valley) | $7,775,000 | 2025–2027 |
| Cold Creek Phase 3 – S 302nd St & Marine Hills Culvert Replacement | $6,400,000 | 2030–2030 |
| S 356th Street Culvert Replacement | $5,250,000 | 2025–2030 |
| Cold Creek Phase 1 – Unmapped Culvert Replacement | $5,200,000 | 2026–2028 |
| North Fork West Hylebos Watershed Trail | $5,200,000 | 2029–2030 |
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
2 verified contacts for Lakota WWTP, with validated emails and direct phone numbers.
Unlock 2 verified contacts
Names, validated emails and direct phone numbers for decision-makers at Lakota WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Washington
Seattle · 8 mi away
3.6 MGD
Puyallup · 9 mi away
5.2 MGD
Seattle · 11 mi away
3.03 MGD
Renton · 12 mi away
74.4 MGD
Orting · 17 mi away
0.91 MGD
Port Orchard · 18 mi away
0.22 MGD
Port Orchard · 19 mi away
1.98 MGD
Enumclaw · 20 mi away
1.85 MGD
Lakota 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 19, 2026; facility record last updated July 3, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Activated sludge · Oxidation ditch · all terms