Hawaii Environmental Law: State Statutes and Federal Compliance
Hawaii's environmental legal framework operates at the intersection of state statute, administrative rule, and federal regulatory overlay — a layered system shaped by the state's unique geography, fragile ecosystems, and dependency on finite land and water resources. This page describes the structure of Hawaii environmental law, the agencies and statutes that govern it, how federal programs such as those administered by the U.S. Environmental Protection Agency interact with state authority, and the boundaries that define this legal domain. The framework matters because violations can carry civil penalties under both Hawaii Revised Statutes (HRS) Chapter 342 series and federal law simultaneously.
Definition and scope
Hawaii environmental law encompasses the body of state statutes, administrative rules, and federally delegated regulatory programs that govern air quality, water resources, land use, hazardous waste management, coastal zone management, and environmental impact assessment within the State of Hawaii.
The primary statutory authority resides in the Hawaii Revised Statutes, specifically the Chapter 342 series:
- HRS Chapter 342B — Air Pollution Control
- HRS Chapter 342C — Solid Waste Management
- HRS Chapter 342D — Water Pollution
- HRS Chapter 342E — Underground Storage Tanks
- HRS Chapter 342H — Hazardous Waste
- HRS Chapter 342J — Hazardous Materials
- HRS Chapter 342L — Noise Pollution
Environmental impact assessment is governed by HRS Chapter 343, which establishes the Hawaii Environmental Impact Statement (EIS) law — one of the earliest state-level EIS statutes in the United States, predating the 1969 National Environmental Policy Act (NEPA) in its approach to state-triggered project review.
The Hawaii Department of Health (DOH) administers most environmental permitting and enforcement functions through its Environmental Health Division. The Hawaii Department of Land and Natural Resources (DLNR) oversees land, water, and coastal resources under a separate but overlapping statutory mandate.
Scope limitation: This page addresses the legal framework applicable within the State of Hawaii. It does not cover federal environmental law as applied to federal lands (managed by agencies such as the U.S. Fish & Wildlife Service or National Park Service), nor does it address environmental regulations in other U.S. jurisdictions. Hawaiian customary and traditional water rights — a distinct legal domain — are addressed in the Hawaii Water Rights Law reference.
How it works
Hawaii environmental regulation operates through a dual-track structure: state-administered programs and federally delegated programs.
State-administered programs originate in HRS Chapter 342 statutes and are implemented through Hawaii Administrative Rules (HAR) Title 11, administered by DOH. Permits are issued at the state level; enforcement actions are brought in Hawaii circuit courts or through DOH administrative proceedings.
Federally delegated programs occur where the EPA authorizes Hawaii to administer federal programs in lieu of direct federal enforcement. Hawaii holds delegated authority under:
- The Clean Air Act (CAA) — Hawaii administers a State Implementation Plan (SIP) approved by EPA under 42 U.S.C. § 7410 (EPA SIP registry)
- The Clean Water Act (CWA) — Hawaii operates the National Pollutant Discharge Elimination System (NPDES) permit program under EPA authorization (EPA NPDES)
- The Resource Conservation and Recovery Act (RCRA) — DOH administers hazardous waste programs under partial delegation
Where Hawaii has not obtained delegation (e.g., certain underground injection programs), the EPA Region 9 office in San Francisco retains direct regulatory authority.
The Hawaii Environmental Impact Statement process under HRS § 343-5 applies to actions involving state or county lands, state or county funds, or activities within environmentally sensitive areas. The process produces either an Environmental Assessment (EA) with a Finding of No Significant Impact (FONSI) or a full EIS, reviewed through the Hawaii Office of Environmental Quality Control (OEQC).
Common scenarios
Environmental law issues in Hawaii most frequently arise in the following contexts:
- Coastal development and shoreline setbacks — Projects near the shoreline trigger both Coastal Zone Management Act compliance under HRS Chapter 205A and federal Coastal Zone Management Act (CZMA) consistency review
- Agricultural runoff and water quality — Activities generating nonpoint source pollution into state waters implicate HRS § 342D and the federal CWA Section 319 program
- Hazardous waste site remediation — DOH's Hazard Evaluation and Emergency Response (HEER) Office administers cleanup under HRS Chapter 128D (Hawaii Environmental Response Law), modeled structurally on federal CERCLA
- Air permits for industrial facilities — Title V operating permits and minor source permits under HRS Chapter 342B, coordinated with EPA Region 9
- EIS challenges — Third parties may challenge the adequacy of an Environmental Assessment or EIS through contested case hearings or judicial review in Hawaii circuit courts
The Hawaii Administrative Rules and Agencies framework governs how DOH and DLNR conduct contested case proceedings for permit disputes.
Decision boundaries
Practitioners and parties navigating Hawaii environmental law must distinguish between overlapping but legally distinct regulatory tracks:
| Dimension | State Program | Federal Program |
|---|---|---|
| Governing statute | HRS Chapter 342 series | CAA, CWA, RCRA, CERCLA |
| Administering agency | Hawaii DOH / DLNR | EPA Region 9 |
| Enforcement forum | Hawaii circuit courts / DOH | U.S. District Court / EPA |
| Penalty authority | Set by HRS (e.g., up to $25,000/day under HRS § 342B-51) | Federal maximums set by statute and inflation adjustments per EPA Civil Penalty Policy |
The interaction between state and federal enforcement is addressed in the broader regulatory context for Hawaii's legal system, which describes how federal supremacy and delegation agreements affect state agency authority.
A critical decision boundary involves Native Hawaiian water rights and environmental interests. The Hawaii Supreme Court has held that the public trust doctrine applies to water resources, requiring DLNR to consider traditional and customary uses in permit decisions. This constitutional dimension — grounded in Article XI of the Hawaii Constitution — operates separately from the statutory permitting framework and can override otherwise-compliant permits. The full scope of Hawaii's legal system, including how courts interact with administrative agencies, is accessible through the site index.
References
- Hawaii Department of Health – Environmental Health Division
- Hawaii Department of Land and Natural Resources (DLNR)
- Hawaii Office of Environmental Quality Control (OEQC)
- Hawaii Revised Statutes – Chapter 342B (Air Pollution Control)
- Hawaii Revised Statutes – Chapter 342D (Water Pollution)
- Hawaii Revised Statutes – Chapter 343 (Environmental Impact Statements)
- Hawaii Revised Statutes – Chapter 128D (Hawaii Environmental Response Law)
- U.S. EPA Region 9 – Pacific Southwest
- EPA National Pollutant Discharge Elimination System (NPDES)
- EPA State Implementation Plans (SIPs)
- EPA Civil Penalty Policies
- National Environmental Policy Act (NEPA) – 42 U.S.C. § 4321 et seq.
- Hawaii Administrative Rules – Title 11 (Department of Health)