Special Reports

SUBSURFACE HYDROGEOLOGY OF NU‘UANU TEST HOLES: AN ASSESSMENT OF STORM-WATER HARVESTING POTENTIAL, O‘AHU, HAWAI‘I

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SPECIAL REPORT SR-2022-05 SUBSURFACE HYDROGEOLOGY OF NU‘UANU TEST HOLES: AN ASSESSMENT OF STORMWATER HARVESTING POTENTIAL, O‘AHU, HAWAI‘I Michael Knight, Brytne K. Okuhata, and Aly I. El-Kadi May 2022, xii+125 pp. ABSTRACT Groundwater is the primary source of fresh potable water…

PERFORMANCE EVALUATION OF A WETLAND-TYPE ON-SITE WASTEWATER SYSTEM

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SPECIAL REPORT SR-2020-04 Performance Evaluation of a Wetland-Type On-Site Wastewater System Roger W. Babcock, Jr., Danielle Restelli, Trevor Yatomi, Cody Tallman, and Kanoelani Yadao December 2021, iv+46 pp. ABSTRACT The Ridge to Reefs (R2R) Bioreactor Garden (BG) is a constructed…

PERFORMANCE EVALUATION OF A CYCLIC BIOLOGICAL WASTEWATER TREATMENT SYSTEM

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SPECIAL REPORT SR-2022-03 Performance Evaluation of a Cyclic Biological Wastewater Treatment System Roger W. Babcock, Jr., Danielle Restelli, Trevor Yatomi, Cody Tallman, and Kanoelani Yada November 2021, iv+45 pp. ABSTRACT The International Wastewater Technologies, Inc. Cyclic Biological Treatment (CBT) System…

2021 HAWAI‘I CESSPOOL HAZARD ASSESSMENT & PRIORITIZATION TOOL

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SPECIAL REPORT SR-2022-02 2021 Hawai’i Cesspool Hazard Assessment & Prioritization Tool 202l Report & Technical Appendices Michael Mezzacapo August 2021, 97 pp. Prepared For: State of Hawai’i Department of Health Wastewater Branch State of Hawai’i Cesspool Conversion Working Group ABSTRACT…

MICROBIAL INDICATORS, SEWAGE MARKERS, AND HUMAN PATHOGENS IN HAWAII STREAMS

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SPECIAL REPORT SR-2022-01 Microbial Indicators, Sewage Markers, and Human Pathogens in Hawaii Streams Marek Kirs September 2021, vi+71 pp. ABSTRACT The overarching goal of this study was to support and improve application of protective and meaningful microbiological recreational water quality…

DENITRIFYING LEACHFIELDS: ENHANCED NITROGEN REMOVAL FROM DOMESTIC WASTEWATER IN HAWAI‘I

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SPECIAL REPORT SR-2021-01 Denitrifying Leachfields: Enhanced Nitrogen Removal from Domestic Wastewater in Hawai’i Roger Babcock Jr., Micah Tang, Tracey Panlasigui, and Julien Sassi January 2021, vi+21 pp. ABSTRACT Act 125 bans all cesspools in Hawaii by 2050, which means that…

MICROBIOLOGICAL WATER QUALITY OF KO OLINA LAGOONS

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SPECIAL REPORT SR-2020-04 Microbiological Water Quality of Ko Olina Lagoons Marek Kirs and Jaline Sergue May 2020, viii+18 pp. ABSTRACT The Ko Olina Resort lagoons are extremely popular for recreational activities, however, they have not been extensively monitored for water…

IDENTIFYING POTENTIAL KNOWLEDGE GAPS FOR HAWAI‘I’S CESSPOOL CONVERSION PLAN

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SPECIAL REPORT SR-2020-03 IDENTIFYING POTENTIAL KNOWLEDGE GAPS FOR HAWAI‘I’S CESSPOOL CONVERSION PLAN Michael A. Mezzacapo March 2020, 85 pp. ABSTRACT Cesspools are widely used as a sewage disposal method across the Hawaiian Islands. However, cesspools lack adequate treatment of waste…

MULTI-STATE REGULATION AND POLICY SURVEY OF ONSITE WASTEWATER TREATMENT SYSTEM UPGRADE PROGRAMS

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SPECIAL REPORT SR-2020-02 MULTI-STATE REGULATION AND POLICY SURVEY OF ONSITE WASTEWATER TREATMENT SYSTEM UPGRADE PROGRAMS Michael A. Mezzacapo September 2019, xi+84 pp. ABSTRACT This report was commissioned by the Cesspool Conversion Working Group (CCWG) to evaluate and analyze cesspool and…

GROUNDWATER DEVELOPMENT POTENTIAL AND CONCEPTUAL HYDROGEOLOGIC MODEL FOR TUTUILA, AMERICAN SAMOA

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SPECIAL REPORT SR-2019-01 GROUNDWATER DEVELOPMENT POTENTIAL AND CONCEPTUAL HYDROGEOLOGIC MODEL FOR TUTUILA, AMERICAN SAMOA Christopher K. Shuler, Paul R. Eyre, and Aly I. El-Kadi May 2019, viii+64 pp. ABSTRACT On Tutuila, the main island in the Territory of American Samoa,…