Lott Wastewater Treatment Plant
Olympia, WA · Thurston County · Publicly Owned Treatment Works
- Average flow
- —
- Design flow
- —
- NPDES permit
- WAG994545
- Terminated
- Permit expires
- December 2026
- Population served
- 111,878
- CWNS 2022
Lott Wastewater Treatment Plant is a publicly owned wastewater treatment works in Olympia, Thurston County, Washington, serving about 111,878 residents. Treatment on site includes clarifiers, biogas silos. It discharges under NPDES permit WAG994545 (terminated), which expires in December 2026, with 0 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Compliance snapshot (last 3 years)
- Total violations
- 0
- 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 Olympia
Olympia's capital improvement plan lists 80 water, sewer and wastewater line items worth $99M starting 2025–2031. The largest budgeted items are shown here.
All water and sewer capital projects in Olympia →
| Project | Budget | Years |
|---|---|---|
| East Elevated Storage | $7,700,000 | 2028–2029 |
| 9610 Eastside (Tank) Reservoir Rehabilitation Construction | $6,935,000 | 2026–2028 |
| Percival Creek Sewer Replacement | $6,627,285 | 2027–2028 |
| 9609 Asbestos Cement (AC) and Again Pipe Replacement | $5,000,000 | 2026–2030 |
| Aging Infrastructure Rehabilitation | $3,881,045 | 2025–2030 |
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 Lott Wastewater Treatment Plant, with validated emails and direct phone numbers.
Unlock 2 verified contacts
Names, validated emails and direct phone numbers for decision-makers at Lott Wastewater Treatment Plant, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Washington
Littlerock · 16 mi away
0.04 MGD
Shelton · 16 mi away
0.000000013 MGD
University Place · 18 mi away
17.07 MGD
Rochester · 19 mi away
—
Eatonville · 32 mi away
—
Orting · 32 mi away
—
Montesano · 34 mi away
0.24 MGD
Chehalis · 34 mi away
0.03 MGD
Lott 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 September 11, 2026; facility record last updated September 5, 2025.