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Groundwater levels for the Nation

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Agency code = usgs
site_no list =
  • 151519145473301
Minimum number of levels = 1
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USGS 151519145473301 AM-MW1b As Matuis Monitor Well 1b, Saipan, CNMI

Saipan Municipality, Northern Mariana Islands
Latitude  15°15'19.1", Longitude -145°47'32.7" NAD83
Land-surface elevation 400.36 feet above NMVD03
The depth of the well is 485 feet below land surface.
The depth of the hole is 485 feet below land surface.
Output formats
Table of data
Tab-separated data
Graph of data
Reselect period
Date Time
?
 
Water-level
date-time
accuracy
?
 
Parameter
code
Water
level,
feet
below
land
surface
Water
level,
feet
above
specific
vertical
datum
Referenced
vertical
datum
?
 
Status
?
 
Method of
measurement
?
 
Measuring
agency
?
 
Source of
measurement
?
 
Water-level
approval
status
2018-08-0106:20 UTCm72019399.19  1VUSGSSA
2018-08-0106:20 UTCm72231 1.17NMVD031VUSGSSA
2019-03-0903:54 UTCm72019399.18  1VUSGSSA
2019-03-0903:54 UTCm72231 1.18NMVD031VUSGSSA
2022-06-2422:21 UTCm72019398.56  1VUSGSSA
2022-06-2422:21 UTCm72231 1.80NMVD031VUSGSSA
2022-06-2721:52 UTCm72019398.57  1VUSGSSA
2022-06-2721:52 UTCm72231 1.79NMVD031VUSGSSA
2022-06-2723:58 UTCm72019398.68  1VUSGSSA
2022-06-2723:58 UTCm72231 1.68NMVD031VUSGSSA
2022-06-2804:16 UTCm72019399.20  1VUSGSSA
2022-06-2804:16 UTCm72231 1.16NMVD031VUSGSSA
2022-06-2804:50 UTCm72019399.27  1VUSGSSA
2022-06-2804:50 UTCm72231 1.09NMVD031VUSGSSA
2022-06-2900:16 UTCm72019398.68  1VUSGSSA
2022-06-2900:16 UTCm72231 1.68NMVD031VUSGSSA
2022-10-2021:48 UTCm72019398.88  1VUSGSSA
2022-10-2021:48 UTCm72231 1.48NMVD031VUSGSSA
2022-10-2100:23 UTCm72019399.05  1VUSGSSA
2022-10-2100:23 UTCm72231 1.31NMVD031VUSGSSA
2022-10-2104:12 UTCm72019399.23  1VUSGSSA
2022-10-2104:12 UTCm72231 1.13NMVD031VUSGSSA
2022-10-2104:41 UTCm72019399.21  1VUSGSSA
2022-10-2104:41 UTCm72231 1.15NMVD031VUSGSSA
2022-10-2203:00 UTCm72019399.09  1VUSGSSA
2022-10-2203:00 UTCm72231 1.27NMVD031VUSGSSA
2022-10-2206:21 UTCm72019399.06  1VUSGSSA
2022-10-2206:21 UTCm72231 1.30NMVD031VUSGSSA
2022-10-2206:30 UTCm72019399.06  1VUSGSSA
2022-10-2206:30 UTCm72231 1.30NMVD031VUSGSSA
2023-11-2800:13 UTCm72019399.36  1VUSGSSA
2023-11-2800:13 UTCm72231 1.00NMVD031VUSGSSA
2023-11-2806:38 UTCm72019398.94  1VUSGSSA
2023-11-2806:38 UTCm72231 1.42NMVD031VUSGSSA
2023-11-2807:21 UTCm72019398.91  1VUSGSSA
2023-11-2807:21 UTCm72231 1.45NMVD031VUSGSSA
2023-11-2821:17 UTCm72019399.85  1VUSGSSA
2023-11-2821:17 UTCm72231 0.51NMVD031VUSGSSA
2024-04-1122:47 UTCm72019398.53  4VUSGSSA
2024-04-1122:47 UTCm72231 1.83NMVD034VUSGSSA
2024-04-1203:59 UTCm72019398.65  4VUSGSSA
2024-04-1203:59 UTCm72231 1.71NMVD034VUSGSSA
2024-04-1622:45 UTCm72019398.71  4VUSGSSA
2024-04-1622:45 UTCm72231 1.65NMVD034VUSGSSA
2024-04-1700:08 UTCm72019398.70  4VUSGSSA
2024-04-1700:08 UTCm72231 1.66NMVD034VUSGSSA
2024-06-2407:02 UTCm72019399.28  4VUSGSSA
2024-06-2407:02 UTCm72231 1.08NMVD034VUSGSSA
2024-06-2407:54 UTCm72019399.39  4VUSGSSA
2024-06-2407:54 UTCm72231 0.97NMVD034VUSGSSA
2024-06-2408:51 UTCm72019399.48  4VUSGSSA
2024-06-2408:51 UTCm72231 0.88NMVD034VUSGSSA
2024-06-2423:51 UTCm72019398.38  4VUSGSSA
2024-06-2423:51 UTCm72231 1.98NMVD034VUSGSSA
2024-06-2501:03 UTCm72019398.39  4VUSGSSA
2024-06-2501:03 UTCm72231 1.97NMVD034VUSGSSA
2024-06-2505:54 UTCm72019398.91  4VUSGSSA
2024-06-2505:54 UTCm72231 1.45NMVD034VUSGSSA
2024-06-2506:02 UTCm72019398.93  4VUSGSSA
2024-06-2506:02 UTCm72231 1.43NMVD034VUSGSSA
2024-10-1803:31 UTCm72019398.66  4VUSGSSP
2024-10-1803:31 UTCm72231 1.70NMVD034VUSGSSP
2024-10-1806:52 UTCm72019398.74  4VUSGSSP
2024-10-1806:52 UTCm72231 1.62NMVD034VUSGSSP

Explanation
SectionCodeDescription
Water-level date-time accuracymDate is accurate to the Minute
Parameter code72019Depth to water level, feet below land surface
Parameter code72231Groundwater level above Northern Marianas Vertical Datum of 2003, feet
Referenced vertical datumNMVD03Northern Marianas Vertical Datum of 2003
Status1Static
Status4Groundwater level affected by tide
Method of measurementVCalibrated electric-tape measurement.
Measuring agencyUSGSU.S. Geological Survey
Source of measurementSMeasured by personnel of reporting agency.
Water-level approval statusAApproved for publication -- Processing and review completed.
Water-level approval statusPProvisional data subject to revision.