This data set contains sewage pollution data in the form of in situ measurements and deductions produced in the laboratory from in field samples. The original files as provided to the National Center for Environmental Information (NCEI) are Microsoft Excel spreadsheets. Redundant copies of the original files are made available by NCEI in comma-separated value (CSV) format. The data collection was performed along the Puako and South Kohalao shoreline of Hawaii Island within nearshore and inland areas primarily within 2014-2017 though select data were collected as early as 2007. The project was funded through the NOAA Coral Reef Conservation Program, Puako Community Foundation, Kamehameha Schools, Hawaii Division of Aquatic Resources, University of Hawaii at Hilo, and the National Science Foundation's Research Experiences for Undergraduates (NSF REU).

Transects were made on three Hawaiian islands (Maui, Lanai, and Hawaii) in nine areas to collect in situ water quality measurements. Each area has several survey transects from the shallows seaward. The project was lead by Dr. Richard Brock of the University of Hawaii Sea Grant College Program with sponsorship from the Monitoring Section of the State of Hawaii, Department of Health, Clean Water Branch. Well-established instruments and methodologies were used. Most of the data were during 2001 - 2005, however, some areas have data back to 1989 and several to the mid-1990's. Transects were mostly repeated quarterly to semi-annually. Data is provided in spreadsheet format.

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This data set contains coastal water quality parameters as measured at seven shoreline locations on the west side of the Island of Hawaii and one site on Lanai, Hawaii during 1988-2011. Each location had over 20 sub-sites for sampling. Most were sampled roughly 4 times per year though some only once annually and other years with as many as 11 observational visits. The water quality data comprise 14 parameters and were collected using well-established instruments and methodologies. Parameters are aspects of water chemistry including turbidity. This set does not include measurements of bacteria. The data are stored in spreadsheets of the same format, with one file per location.

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Water quality data from were collected by the Monitoring Section of the State of Hawaii, Department of Health. Data were obtained from 373 state-wide coastal stations employing well-established instruments and methodologies. This dataset spans 1973-2006. Parameters include temperature, salinity, conductivity, dissolved oxygen, percent saturation of oxygen, pH, turbidity, oxidation-reduction potential, and concentration of fecal coliforms.