Puerto Rico and Virgin Islands Real-Time Groundwater Level Network

Explanation of symbols on the map.

Puerto Rico Network wells depicted on the Real-Time Groundwater Level Network location map
Note: Color shading in the table below indicates multiple wells that plot as a single point on the state location map above.
Note: BLS = Water Level in Feet Below Land Surface, RVD = Water Level referenced to a vertical datum

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AquiferSiteIDSite nameDate of most
recent measurement
Water level
   South Coastal Plain Alluvial Aquifer175734066233300ALOMAR OESTE WELL, SANTA ISABEL, PR 9/19/202110-24%  16.35 BLS
   South Coastal Plain Alluvial Aquifer175858066100200JUA 5 WELL, GUAYAMA, PR 9/19/2021<10%  64.96 BLS
   South Coastal Plain Alluvial Aquifer175910066155500PIEZOMETER RASA D, SALINAS, PR 9/19/202110-24%  49.49 BLS
   South Coastal Plain Alluvial Aquifer175934066364800CONSTANCIA 3 WELL, PONCE, PR 9/19/202125-75%  11.56 BLS
   South Coastal Plain Alluvial Aquifer175947066130601PIEZOMETER AGUIRRE HW 5B, SALINAS, PR 9/19/2021Low  30.84 BLS
   Guayanilla Alluvial Aquifer180052066471000MER 3 WELL, GUAYANILLA, PR 9/19/202110-24%   9.52 BLS
   South Coastal Plain Alluvial Aquifer180057066311300PIEZOMETER JAC-6, JUANA DIAZ, PR 9/19/2021<10%  24.88 BLS
   Guanica Alluvial Aquifer180122066560300ARENAS 1 WELL, GUANICA, PR 9/19/2021Not ranked   9.78 BLS
   Esperanza Alluvial Aquifer180559065280501VIEQUES A1 WELL, VIEQUES, PR 9/19/2021Not ranked  12.44 BLS
   Humacao-naguabo Alluvial Aquifer181217065453000PIEZOMETER CA-1, NAGUABO, PR 9/19/202125-75%   5.86 BLS
   Volcanic Rocks Aquifer181301067081900CE-RUM2 OBSERVATION WELL, MAYAGUEZ CAMPUS, PR 9/19/2021Not ranked   5.20 BLS
   Caguas-juncos Valley Alluvial Aquifer181352066025300PIEZOMETER CAGUAS-JUNCOS 19A, CAGUAS, PR 9/19/202125-75%  23.44 BLS
   North Coast Limestone Aquifer, Lower182133066342800FLORIDA 7 WELL, FLORIDA, PR 9/19/202110-24% 131.00 BLS
  182224065430300MW 11 WELL, LUQUILLO, PR 9/19/2021Not ranked  10.96 BLS
   Alluvium, Coastal182515065594100PIEZOMETER CAMPO RICO 1, CAROLINA, PR 9/19/202125-75%   5.48 BLS
   North Coast Limestone Aquifer, Upper182515066194000PONDEROSA 1 WELL, VEGA ALTA, PR 9/19/202125-75%  67.26 BLS
   North Coast Limestone Aquifer, Upper182549066304300USGS 166 OBSERVATION WELL, MANATI, PR 9/19/202110-24%  23.53 BLS
   North Coast Limestone Aquifer, Upper182637066475900PALOMA 3 WELL, HATILLO, PR 9/19/202110-24% 311.82 BLS
   North Coast Limestone Aquifer, Upper182639066385200SANTANA 1 WELL, ARECIBO, PR 9/19/202125-75% 101.55 BLS
  174303064484400ADVENTURE 28 WELL, ST. CROIX, USVI 9/19/202125-75%  26.15 BLS
  182038064550300GRADE SCHOOL 3 WELL, ST. THOMAS, USVI 9/19/202176-90%   7.49 BLS
  182044064454900SUSANNABERG DPW 3 WELL, ST. JOHN, USVI 9/19/2021Not ranked  18.03 BLS