WAIHOME LLC

Haleiwa, HI · Clean tech · Private

Aboveground wastewater treatment system using photosynthetic algal-bacterial biofilm for passive aerobic treatment

Claim this profile

Follows are private to you and power your alerts

Updated

Sector
Clean tech
Headquarters
Haleiwa, HI
Total capital
$1.5M
Federal grants
$1.5M
2 awards · 2021–2023
Rank in peer group#15 of 27
Private capital raised
None on recordNo Form D filings on SEC EDGAR. Some raises are not filed.
Federal contracts
None on recordNo federal contract awards found.
Granted patents
0
3 pending

Capital timeline

202120222023FEDERAL ↑EQUITY ↓Cumulative $1.5M$256K$1.2M
202120222023FEDERAL ↑EQUITY ↓Cumulative $1.5M$256K$1.2M

Latest events

  • Federal grantNSF · Phase II · SBIR Phase II:Affordable Onsite Wastewater Treatment Solution$1.2M
  • Federal grantNSF · Phase I · SBIR Phase I: Affordable Onsite Wastewater Treatment Solution$256K

Node area is scaled to amount. Form D reports securities sold, which can differ from an announced round; filings are numbered in the order they were made.

Standing among 27 peers

Line = median

Clean tech · Device

  • Federal grantsBelow median

Cumulative measures favor older companies. Rankings describe position today, not outcome. Below the median, ranks show as a band rather than a number.

Founders and team

No founders are linked to this company yet.

Founders appear once a person is matched to the company through its own patents, grants or filings. We never infer people from social profiles.

Checked: USPTO inventors; federal award principal investigators; SEC Form D related persons · Oct 23, 2026

Claim this profile to add your team

What it has protected

USPTO · 0 granted of 3
  • PendingPassive Aerobic Treatment Unit And Method Of UseUSPTOApplication 18442273
  • PendingSolids Separation DeviceUSPTOApplication PCTUS2025057387
  • PendingPassive Wastewater Treatment Unit And Method Of UseUSPTOApplication PCTUS2022075637
  • INTERSPHERE INCSimilar federal contract value in Clean tech · null in contracts
  • Releaf EarthSimilar federal contract value in Clean tech · null in contracts
  • Pure Biomass Inc.Similar federal contract value in Clean tech · null in contracts
  • CL CHEMICAL COMPANYSimilar federal contract value in Clean tech · null in contracts
  • Samraksh Company, TheSimilar federal contract value in Clean tech · null in contracts
  • STEC TECHNOLOGY, INC.Similar federal contract value in Clean tech · null in contracts

Regulatory activity · Clean tech

Sector-level, not company-level

Rules are matched to sector, not to company. Recent activity in a sector is context rather than a signal about this business — until rules are matched to what a company actually builds, the section is shown as context and nothing more.

Sources

Federal grants from SBIR/STTR, NIH, NSF and DoD records. Federal contracts from USAspending.gov. Private capital from SEC Form D. Patents from USPTO. Publications from OpenAlex. Regulatory activity from the Federal Register. Press matched on company name.

How to read this page

Figures show associations in public records, not causes or predictions. Nothing here is investment advice. An em-dash means no record was found under this company's name, not that none exists.

Data freshness

SEC Form D filings through . SBIR and STTR awards through .