Excavation in Kalihiwai
Kalihiwai sits between Kīlauea and Princeville along Kalihiwai Bay and the Kalihiwai River — a 2030 Act 125 priority zone with coastal parcels, valley homes, and steady cesspool conversion work.
Working on the ground in Kalihiwai
High water table near the river mouth, steep valley access roads, mixed alluvial and red-clay soils, and SMA overlay on every coastal parcel.
What we run here
Cesspool-to-IWS conversions ahead of the 2030 deadline, driveway grading on valley parcels, foundation pads for rebuilds, and drainage work on bluff-edge lots.
Your cesspool priority zone
the hawaiʻi department of health classifies every cesspool on the island into a priority zone based on proximity to drinking water, streams, the coastline, and sensitive ecosystems. here is what shows up inside Kalihiwai.
working target: convert by 2030
high-priority zone, these cesspools sit closest to drinking water wells, streams, the coastline, or sea-level rise zones. flagged for fastest conversion.
2030 and 2035 are working targets recommended by the hawaiʻi cesspool conversion working group and reflected in kauaʻi county's grant prioritization. the only deadline in current law is january 1, 2050 under act 125. zone assignments are read from the doh prioritization tool.
Want your property's exact zone?
we pull your tmk against the doh prioritization tool during our free site visit and map your specific path to a compliant system.
Request a Site VisitReady to break ground in Kalihiwai?
Call for a project-specific scope and estimate.