Water Quality Table 1

Table 1. Results from nearshore water quality samples collected by DOH during April 2024 for total metals, in micrograms per liter (µg/L). 
Parameters (Total) DOH EAL:
Surface Water
Action Level
for Marine Habitats
(Ecological)1
Hanakao’o Park Mala WharfPuunoa (Baby) BeachKamehameha
Iki Park
Shark Pit -
Puamana 
Launiupoko
Beach
Launiupoko Beach
Surf Break 
Olowalu Surf
Break
Kahekili (Airport)
Beach 
Aluminum10.711.162.978.515.417.637.252.345.650810194.678.381.877.479.266.66.526.76
Antimony 300.1280.1110.110.1020.1370.1350.1160.1160.1060.1020.1170.1250.1180.120.1150.1180.1030.1270.133
Arsenic 0.141.361.481.261.41.391.471.451.31.51.631.571.31.331.291.31.591.471.451.54
Beryllium0.038NDND0.010.010.0110.0110.009*0.010.010.0190.0110.0110.0110.0110.0120.0120.0130.0120.011
Cadmium 9.3NDND0.0060.0070.010.010.0130.0060.0070.0090.0060.0060.0150.0090.0060.0050.0070.0070.004*
Chromium 500.1650.2170.3280.3620.2280.2050.2160.2910.2931.350.390.3770.3820.370.3450.3810.3780.2180.237
Cobalt23NDND0.020.018NDNDND0.0130.007*0.3180.0350.0460.0340.040.0330.0340.039NDND
Copper 2.90.0580.0610.1720.190.2760.2970.1450.1630.1770.6040.2040.1710.1590.1520.1270.2140.2140.1010.246
Iron5.43.9636.143.54.246.9110.919.115.339340.342.733.441.430.945.740.421.93
Lead5.60.004*0.0120.0240.0270.0120.0180.020.0270.0250.1070.0220.0290.0210.0190.0180.0410.0340.0090.013
Manganese0.6920.6421.621.791.030.8741.011.211.28.472.434.674.133.193.112.422.281.151.31
Mercury0.025NDNDNDNDNDND0.004*0.004*0.002*0.004*NDNDNDNDNDNDNDNDND
Molybdenum3701010.49.389.4610.510.610.110.510.69.471010.410.510.510.21010.310.710.1
Nickel8.30.1570.1220.2480.2510.1830.2150.2110.2210.2241.50.2950.3090.2850.2960.2590.3680.3360.1950.227
Selenium710.006*0.005*0.0290.014*0.0250.0260.0230.0280.0180.0220.0210.0240.0290.0220.014*0.0240.0260.011*0.024
Silicon3853253174452403416386111967111368128368111462565188128
Silver0.10.0930.0940.1160.1260.1190.1170.1110.120.1180.1150.1130.1130.1180.1190.1270.1150.1220.1160.124
Thallium12NDND0.007*0.008*0.009*0.010.0110.009*0.008*0.008*0.009*0.009*0.0110.009*0.010.009*0.009*0.008*0.011
TinNDND0.0190.0160.0180.0250.0270.0270.0160.0220.0240.0160.0170.0150.0170.0190.0210.020.03
Titanium0.6720.9215.296.30.8071.042.44.663.7251.97.538.376.037.786.076.215.570.3290.158
Vanadium811.721.651.641.661.651.671.51.541.562.471.671.691.581.641.631.982.031.691.61
Zinc86NDND0.9190.9881.290.8110.8770.9270.9912.41.021.421.250.6310.90.9251.11.45