County Of Hawaii Papaikou-Paukaa WWTP
Hilo, HI · Hawaii County · Publicly Owned Treatment Works
- Average flow
- 0.05 MGD
- Design flow
- 0.35 MGD
- NPDES permit
- HI0021113
- Effective
- Permit expires
- April 2031
- Population served
- 1,510
- CWNS 2022
County Of Hawaii Papaikou-Paukaa WWTP is a publicly owned wastewater treatment works in Hilo, Hawaii County, Hawaii treating an average of 0.05 million gallons per day against a permitted design capacity of 0.35 MGD, serving about 1,510 residents. It discharges under NPDES permit HI0021113 (effective), which expires in April 2031, with 40 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Treatment structure data not yet analyzed for this facility.
Compliance snapshot (last 3 years)
- Total violations
- 40
- Effluent violations
- 1
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at County Of Hawaii Papaikou-Paukaa WWTP.
No verified contacts on file yet
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Nearby wastewater treatment plants in Hawaii
Hilo · 7 mi away
3.53 MGD
Kapaa · 315 mi away
0.34 MGD
County Of Hawaii Papaikou-Paukaa 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 September 11, 2026; facility record last updated September 18, 2025.