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- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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USGS Water-Year Summary 2024
194037156012901 Aimakapa Pond 2-inch PVC monitoring pipe, HI
Hawaii volcanic-rock aquifers
Hualalai Volcanic Series, Prehistoric Lava Flows
Hualalai Volcanic Series, Prehistoric Lava Flows
LOCATION - Lat 19°40'37", long 156°01'29" referenced to North American Datum of 1983, Hawaii County, HI, Hydrologic Unit 20010000, USA. Located in Aimakapa Fishpond near the southeastern, inland part of the pond, about 1 foot seaward of the basalt rock wall separating the main pond from the partitioned inland part of the pond. Owner: National Park Service (NPS).
GROUNDWATER RECORDS
DATUM - Land-surface datum is 2 ft above undefined vertical datum. Measuring point: MP is the top of 2-inch slotted PVC standpipe MP is the top of 2-inch slotted PVC standpipe MP, 2.04 ft above Local Mean Sea Level, Sep. 15, 2016 to present.
PERIOD OF RECORD - Occasional discrete water-level measurements between April 2015 to present.
Continuous water-level data were collected by USGS from April 2015 to present.
GAGE - Pipe characteristics: 2-inch diameter PVC slotted pipe, mounted vertically to bottom substrate (basalt pahoehoe) using a flange attached to expansion anchors and stainless-steel bolts. Water depth at site is about 1-2 feet. Pipe has slip-on cap.
WATER-QUALITY RECORDS
DATUM - Land-surface datum is 2 ft above undefined vertical datum. Measuring point: MP is the top of 2-inch slotted PVC standpipe MP is the top of 2-inch slotted PVC standpipe MP, 2.04 ft above Local Mean Sea Level, Sep. 15, 2016 to present.
PERIOD OF RECORD - Continuous specific-conductance and temperature data were collected by USGS between April 2015 to present.
