Buena WWTF
Zillah, WA · Yakima County · Publicly Owned Treatment Works
- Average flow
- —
- Design flow
- —
- NPDES permit
- WA0052132
- Administratively continued
- Permit expires
- January 2024
- Population served
- 240
- CWNS 2022
Buena WWTF is a publicly owned wastewater treatment works in Zillah, Yakima County, Washington, serving about 240 residents. Treatment on site includes uncovered lagoons. It discharges under NPDES permit WA0052132 (administratively continued), which expires in January 2024, with 3 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Uncovered lagoons
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Compliance snapshot (last 3 years)
- Total violations
- 3
- Effluent violations
- 2
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Buena WWTF.
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Nearby wastewater treatment plants in Washington
Zillah · 3 mi away
—
Toppenish · 3 mi away
0.06 MGD
Toppenish · 4 mi away
0.67 MGD
Granger · 8 mi away
—
Harrah · 12 mi away
0.03 MGD
Yakima · 13 mi away
—
Sunnyside · 16 mi away
1.31 MGD
Sunnyside · 17 mi away
1.17 MGD
Buena WWTF: 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 August 13, 2026.