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| Project Name: | Improving and Maintaining Water Quality in Kawa Stream |
| ASO Log No.: | 04-303 |
| Start/End Date: | June 2004 to December 2006 |
| Federal Funds: | $199,602.00 |
| Matching Funds: | $200,612.00 |
| Contractor: | Dr. Wenhao Sun Marine AgriTech, Inc. 1188 Bishop Street, Ste., 2003 Honolulu, HI 96813 Phone: (808) 523-5517 Fax: (808) 526-9411 |
| Background/ Overview: |
Nonpoint source pollution is a serious problem impairing the water quality of Kawa Stream, which flows into and impacts the coastal environment of South Kaneohe Bay, are on the 303d list of impaired waters. |
| Objectives/Goals: | Restore and maintain the water quality of South Kaneohe Bay by improving the water quality of Kawa Stream. |
| Methods Employed: | • Design and construct 57 FPP (floating phytoremediation
platforms) units made of ground cover or heavy polyethylene sheet
supported by air-inflated plastic pipes and using cultivated akulikuli
(Sesuvium portulacastrum) • Coordinate and work with Castle High School to engage students in the assessment of water quality. • Conduct 2 public workshops on benefits of phytoremediation. • Conduct a college-level lecture on phytoremediation. • Reconnect Kawa Stream with Waikalua Loko to restore the fishpond in the loko kuapa style. |
| Pollutants of Concern: | Nutrients, turbidity, and suspended solids |
| Watershed: | Koolaupoko Watershed, island of Oahu |
| Size of Project: | 3500 feet of Kawa Estuary |
| Affected Water Bodies: | Kawa Stream and South Kaneohe Bay |
| Deliverables: | • Photo documentation of selected portions of Kawa Stream
and fishpond • Water quality monitoring data • Plant biomass measurement data • Video called “Clean Hawaii Water: Phytoremediation Works • Curriculum on ahupuaa concept and fishpond restoration |
