National Groundwater Awareness Week

Frequency:
Every
MAR
Inception Year:
1999
Hashtags:
References:
ngwa.org/Events-Education/awareness/Pages/default.aspx
cdc.gov/mmwr/preview/mmwrhtml/mm6408a8.htm
water.usgs.gov/ogw/ngwaw/2017.html

The week is observed on various dates.