Water-Level Accuracy Codes
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# National Water Information System
# 2024/10/29
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# Date Retrieved: USGS Water Data for the Nation Help System
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Code Description
1s 51s
0 Water level accuracy to nearest foot
1 Water level accuracy to nearest tenth of a foot
2 Water level accuracy to nearest hundredth of a foot
9 Water level accuracy not to nearest foot
U Water level accuracy is unknown