TRIANGLE ENVIRONMENTAL HEALTH INITIATIVE LLC

Clean tech · Private

Electrochemical water treatment system for selective ionic separation and resource recovery

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Updated Oct 23, 2026

Sector: Clean tech
Total capital: $4.8M

Federal grants: $275K; 1 award · 2024; Rank in peer group#6 of 59
Private capital raised: None on recordNo Form D filings on SEC EDGAR. Some raises are not filed.
Federal contracts: $4.6M; 7 awards · Agency for Interna, Environmental Prot; Rank in Clean tech#30 of 914
Granted patents: 2; 4 pending · first 2025; Rank in peer group#7 of 59

Capital timeline

Latest events

Aug 2024Federal grantNSF · Phase I · SBIR Phase I: Selective Ion Separation and Recovery for Wastewater Treatment$275K
Oct 2022Federal contractEnvironmental Prot · Epa SBIR FY23 Phase II - A Compact, Modular Treatment System For Non-potable Re-use Of Residential And Commercial Greywater$500K
Jan 2022Federal contractEnvironmental Prot · FY21-22 Epa SBIR Phase II - Zero-waste (zewa) Water And Energy Recovery System$500K
Dec 2021Federal contractEnvironmental Prot · Epa SBIR FY21-22 Phase I - A Compact, Modular Wastewater Treatment System For Non-potable Reuse Of Household Greywater$100K
Apr 2021Federal contractEnvironmental Prot · SBIR Phase II Proposal #B20P2-1G01 Electrodialytic Nutrient Recovery For Traditional And Advanced Owts Effluent. Triangle Environmental Health Initiative$400K
Mar 2021Federal contractEnvironmental Prot · SBIR Phase I Proposal #B201B-0022. Zero-waste (zewa) Water And Energy Recovery System. Triangle Environmental Health Initiative$100K
Mar 2020Federal contractEnvironmental Prot · SBIR Phase I Award$100K

Show 1 earlier federal award

Oct 2019Federal contractAgency for Interna · Solid Waste Accountability Platform (swap) Project Is To Improve Solid Waste Service Provision In Urban Cambodia.$2.9M

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 59 peers

Line = median

Clean tech · System

Federal grants#6 · top 10%
Granted patents#7 · top 12%

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

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What it has protected

USPTO · 2 granted of 6

Feb 17, 2026GrantedWater and Energy Recovery SystemUSPTOUS 12,552,695
Jan 15, 2026PendingMethods and Systems for Onsite Wastewater Treatment and ReuseUSPTOApplication 19264789
Nov 20, 2025PendingMethods and Systems for Ion Separation and RecoveryUSPTOApplication 19208165

Show all 6 patent records

Water and Energy Recovery SystemFeb 17, 2026 · US 12,552,695Granted
Methods and Systems for Onsite Wastewater Treatment and ReuseJan 15, 2026 · Application 19264789Pending
Methods and Systems for Ion Separation and RecoveryNov 20, 2025 · Application 19208165Pending
Methods And Systems For Wastewater TreatmentJan 14, 2025 · US 12,195,370Granted
Methods and Systems for Onsite Wastewater Treatment and ReuseApplication 63669464Pending
Methods and Systems for Ion Separation and RecoveryApplication 63647412Pending

NGIMAT, LLCSimilar federal contract value in Clean tech · $4.9M in contracts
ENEXOR ENERGY, LLCSimilar federal contract value in Clean tech · $4.8M in contracts
Energy Research CompanySimilar federal contract value in Clean tech · $4.7M in contracts
SoFar Ocean Technologies, Inc.Similar federal contract value in Clean tech · $4.3M in contracts
Droplet Measurement Technologies, LLCSimilar federal contract value in Clean tech · $3.8M in contracts
INNOVATEK, INC.Similar federal contract value in Clean tech · $3.6M in contracts

Regulatory activity · Clean tech

Sector-level, not company-level

09 Jul 2026Air Plan Approval; Michigan; Redesignation and Maintenance Plan for the Partial St. Clair 2010 1-Hour Sulfur Dioxide (SO2) NAAQS Nonattainment AreaEnvironmental Protection Agency
02 Jul 2026Air Plan Approval; Delaware; 2006 24-Hour Fine Particulate Matter Limited Maintenance Plan for the Philadelphia Nonattainment AreaEnvironmental Protection Agency
02 Jul 2026Air Plan Approval; Oklahoma; Updates to the State Implementation Plan for New Source Review Permitting and General SIP ProvisionsEnvironmental Protection Agency
30 Jun 2026Epyrifenacil; Pesticide TolerancesEnvironmental Protection Agency
30 Jun 2026Fluoxapiprolin; Pesticide TolerancesEnvironmental Protection Agency
30 Jun 2026Chlormequat Chloride; Pesticide TolerancesEnvironmental Protection Agency

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 Oct 23, 2026. SBIR and STTR awards through Oct 21, 2026.