Aerial documentary photograph of Hawaii sea cliffs with natural green vegetation and Pacific surf

Water bringing life to Hawaii

Reliable groundwater from exploration through pump install.

WRI develops the wells that feed agriculture, municipal supply, and private estates — with licensed crews mobilized statewide from Honolulu and Kawaihae.

  • 35+ Years in Hawaii
  • $150M+ Contracts completed
  • 2,800 ft Max well depth
  • Pacific Basin coverage
Government · Commercial · Agricultural · Private · 35+ years · Pacific Basin

Water = more green

Groundwater that feeds Hawaii’s land and people.

Every well we drill connects rain and recharge to something visible — taro loi filled, pastures irrigated, municipal tanks supplied. WRI has spent thirty-five years turning hydrogeologic knowledge into production wells that last, with pump systems sized for real demand and permits handled start to finish.

From exploration to production

  1. 01

    Site assessment

    Review geology, existing records, and permit requirements for your parcel and intended use.

  2. 02

    Permit & design

    Coordinate county well permits, DOH requirements, and pump sizing with your project timeline.

  3. 03

    Drill & test

    Mobilize certified drillers, complete the borehole, and run yield and water quality testing.

  4. 04

    Pump install

    Install and commission deep well pumping systems matched to production and demand.

  5. 05

    Monitor

    Document as-builts and optional monitoring for municipal, commercial, and agricultural clients.

Track-driven mobile drill rig in cool mist — fal-generated hero

Featured well

Deep production well — Central Oʻahu

Municipal supply · basalt formation · 2024

  • Depth 1,840 ft
  • Yield 450 gpm
  • Formation Basalt aquifer
  • Scope Drill + pump + test

Compliance & credentials

Licensed, permitted, and contract-proven

  • State-licensed drillers Certified drilling crews with decades of Hawaii-specific formation experience.
  • Permit coordination County well permits and DOH requirements managed through drilling and pump commissioning.
  • Contract track record 35+ years and $150M+ in completed public and private contracts.

Offices & coverage

Honolulu headquarters · Kawaihae field office

Mobilization across Oʻahu, Maui, Hawaiʻi Island, Kauaʻi, and the Pacific Basin for contract clients.

Honolulu office

1100 Alakea St., Suite 2900

Honolulu, HI 96813

(808) 531-8422

Big Island office

61-3295 Maluokalani St. Bay #1

Kawaihae, HI 96743

(808) 882-7207

Alakea Street · Kawaihae Bay · Island-wide mobilization
OahuMauiHawaii IslandKauaiMolokaiLanai

In Hawaii, water is not abstract — it is what keeps fields green, communities supplied, and coastlines alive. Our work is developing the groundwater that sustains all three.

Water Resources International · Est. 1989

Ready to scope your well project?

Exploration, drilling, and pump installation for government, commercial, and private clients across Hawaii.