GET api/v2/groundwater/waterlevels/wells

Returns WaterLevelsWell from filters.

NameDescriptionType
aquifers

Aquifer, or aquifers, in which well is located (as determined by the data source)

 string
baseOfGrout

Depth from surface to base of grout (feet)

 integer
bottomPerforatedCasing

Depth from surface to bottom of perforated casing (feet)

 integer
contact

Person(s) or entity associated with well either as applicant or primary contact

 string
coordinatesEw

Distance and direction from East/West section line (feet)

 integer
coordinatesEwDir

Direction of measurement from East/West section line

 string
coordinatesNs

Distance and direction from North/South section line (feet)

 integer
coordinatesNsDir

Direction of measurement from North/South section line

 string
county

County where the well is located

 string
dataSource

Primary source/provider of well measurement data

 string
designatedBasin

Eight established geographic areas in Colorado's Eastern Plains where users rely primarily on groundwater for water supply

 string
division

DWR Water Division

 integer
elevation

Surface elevation at the location of the well (feet above mean sea level)

 decimal number
elevationAccuracy

Accuracy of the ground surface elevation

 string
latitude

Latitude value in decimal degrees

 decimal number
locationAccuracy

Accuracy of location coordinates

 string
locationNumber

Bureau of Reclamation location identification string based on the PLSS location

 string
longitude

Longitude (decimal degrees)

 decimal number
managementDistrict

Thirteen local districts, within the Designated Basins, with additional administrative authority

 string
measurementBy

Name of the entity that measured the water level depth

 string
measurementDate

Date of last measurement

 date
modified

Last date time that this record was modified in the DWR database

 date
moreInformation

Hyperlink to additional details

 string
permit

Well permit number

 string
pm

Principal Meridian of well’s legal location - there are 5 principal meridians in CO: Sixth (S), New Mexico (N), Baca (B), Costilla (C), and Ute (U)

 string
porCount

Count of measurements in the well’s period of record

 integer
porEnd

Date of last measurement in the well’s period of record

 date
porStart

Date of first measurement in the well’s period of record

 date
publicationName

Name of DWR Basin Summary publication in which well is included, if applicable

 string
q10

Legal location: 10 acre quarter section

 string
q160

Legal location: 160 acre quarter section

 string
q40

Legal location: 40 acre quarter section

 string
range

Legal location: A number in the format “nnnd” where “nnn” is the range number and “d” is the direction either East or West

 string
receipt

Permit application receipt number

 string
section

Section number - township, range divided into 36 one square mile sections; “U” indicates location in Ute Correction (Division 7 only)

 string
topPerforatedCasing

Depth from surface to top of perforated casing (feet)

 integer
township

Legal location: Township number and direction

 string
usgsSiteId

US Geologic Survey well identifier

 string
utmX

The x (Easting) component of the Universal Transverse Mercator system. (Zone 13, NAD83 datum)

 decimal number
utmY

The y (Northing) component of the Universal Transverse Mercator system. (Zone 13, NAD83 datum)

 decimal number
waterDistrict

DWR Water District

 integer
waterLevelDepth

Depth to water below land surface (ft) on measurement date

 decimal number
waterLevelElevation

Elevation of water above mean sea level (feet)

 decimal number
wdid

DWR unique structure identifier

 string
wellDepth

Completed depth of well (ft)

 integer
wellId

Unique ID of well in DWR database

 integer
wellName

Name of well in DWR database

 string

Response Formats

application/json, text/json
Sample: 
[
  {
    "wellId": 1,
    "wellName": "sample string 2",
    "receipt": "sample string 3",
    "permit": "sample string 4",
    "wellDepth": 1,
    "measurementDate": "2025-12-06T17:28:06.6364408-07:00",
    "waterLevelDepth": 1.1,
    "waterLevelElevation": 1.1,
    "measurementBy": "sample string 5",
    "porStart": "2025-12-06T17:28:06.6364408-07:00",
    "porEnd": "2025-12-06T17:28:06.6364408-07:00",
    "porCount": 1,
    "publicationName": "sample string 6",
    "aquifers": "sample string 7",
    "elevation": 1.1,
    "elevationAccuracy": "sample string 8",
    "topPerforatedCasing": 1,
    "bottomPerforatedCasing": 1,
    "baseOfGrout": 1,
    "wdid": "sample string 9",
    "locationNumber": "sample string 10",
    "usgsSiteId": "sample string 11",
    "contact": "sample string 12",
    "division": 1,
    "waterDistrict": 1,
    "county": "sample string 13",
    "designatedBasin": "sample string 14",
    "managementDistrict": "sample string 15",
    "q10": "sample string 16",
    "q40": "sample string 17",
    "q160": "sample string 18",
    "section": "sample string 19",
    "township": "sample string 20",
    "range": "sample string 21",
    "pm": "sample string 22",
    "coordinatesEw": 1,
    "coordinatesEwDir": "sample string 23",
    "coordinatesNs": 1,
    "coordinatesNsDir": "sample string 24",
    "utmX": 1.0,
    "utmY": 1.0,
    "latitude": 1.0,
    "longitude": 1.0,
    "locationAccuracy": "sample string 25",
    "dataSource": "sample string 26",
    "modified": "2025-12-06T17:28:06.6364408-07:00",
    "moreInformation": "sample string 27"
  },
  {
    "wellId": 1,
    "wellName": "sample string 2",
    "receipt": "sample string 3",
    "permit": "sample string 4",
    "wellDepth": 1,
    "measurementDate": "2025-12-06T17:28:06.6364408-07:00",
    "waterLevelDepth": 1.1,
    "waterLevelElevation": 1.1,
    "measurementBy": "sample string 5",
    "porStart": "2025-12-06T17:28:06.6364408-07:00",
    "porEnd": "2025-12-06T17:28:06.6364408-07:00",
    "porCount": 1,
    "publicationName": "sample string 6",
    "aquifers": "sample string 7",
    "elevation": 1.1,
    "elevationAccuracy": "sample string 8",
    "topPerforatedCasing": 1,
    "bottomPerforatedCasing": 1,
    "baseOfGrout": 1,
    "wdid": "sample string 9",
    "locationNumber": "sample string 10",
    "usgsSiteId": "sample string 11",
    "contact": "sample string 12",
    "division": 1,
    "waterDistrict": 1,
    "county": "sample string 13",
    "designatedBasin": "sample string 14",
    "managementDistrict": "sample string 15",
    "q10": "sample string 16",
    "q40": "sample string 17",
    "q160": "sample string 18",
    "section": "sample string 19",
    "township": "sample string 20",
    "range": "sample string 21",
    "pm": "sample string 22",
    "coordinatesEw": 1,
    "coordinatesEwDir": "sample string 23",
    "coordinatesNs": 1,
    "coordinatesNsDir": "sample string 24",
    "utmX": 1.0,
    "utmY": 1.0,
    "latitude": 1.0,
    "longitude": 1.0,
    "locationAccuracy": "sample string 25",
    "dataSource": "sample string 26",
    "modified": "2025-12-06T17:28:06.6364408-07:00",
    "moreInformation": "sample string 27"
  }
]
application/xml, text/xml
Sample: 
<ArrayOfWaterLevelsWell xmlns:i="http://www.w3.org/2001/XMLSchema-instance">
  <WaterLevelsWell>
    <aquifers>sample string 7</aquifers>
    <baseOfGrout>1</baseOfGrout>
    <bottomPerforatedCasing>1</bottomPerforatedCasing>
    <contact>sample string 12</contact>
    <coordinatesEw>1</coordinatesEw>
    <coordinatesEwDir>sample string 23</coordinatesEwDir>
    <coordinatesNs>1</coordinatesNs>
    <coordinatesNsDir>sample string 24</coordinatesNsDir>
    <county>sample string 13</county>
    <dataSource>sample string 26</dataSource>
    <designatedBasin>sample string 14</designatedBasin>
    <division>1</division>
    <elevation>1.1</elevation>
    <elevationAccuracy>sample string 8</elevationAccuracy>
    <latitude>1</latitude>
    <locationAccuracy>sample string 25</locationAccuracy>
    <locationNumber>sample string 10</locationNumber>
    <longitude>1</longitude>
    <managementDistrict>sample string 15</managementDistrict>
    <measurementBy>sample string 5</measurementBy>
    <measurementDate>2025-12-06T17:28:06.6364408-07:00</measurementDate>
    <modified>2025-12-06T17:28:06.6364408-07:00</modified>
    <moreInformation>sample string 27</moreInformation>
    <permit>sample string 4</permit>
    <pm>sample string 22</pm>
    <porCount>1</porCount>
    <porEnd>2025-12-06T17:28:06.6364408-07:00</porEnd>
    <porStart>2025-12-06T17:28:06.6364408-07:00</porStart>
    <publicationName>sample string 6</publicationName>
    <q10>sample string 16</q10>
    <q160>sample string 18</q160>
    <q40>sample string 17</q40>
    <range>sample string 21</range>
    <receipt>sample string 3</receipt>
    <section>sample string 19</section>
    <topPerforatedCasing>1</topPerforatedCasing>
    <township>sample string 20</township>
    <usgsSiteId>sample string 11</usgsSiteId>
    <utmX>1</utmX>
    <utmY>1</utmY>
    <waterDistrict>1</waterDistrict>
    <waterLevelDepth>1.1</waterLevelDepth>
    <waterLevelElevation>1.1</waterLevelElevation>
    <wdid>sample string 9</wdid>
    <wellDepth>1</wellDepth>
    <wellId>1</wellId>
    <wellName>sample string 2</wellName>
  </WaterLevelsWell>
  <WaterLevelsWell>
    <aquifers>sample string 7</aquifers>
    <baseOfGrout>1</baseOfGrout>
    <bottomPerforatedCasing>1</bottomPerforatedCasing>
    <contact>sample string 12</contact>
    <coordinatesEw>1</coordinatesEw>
    <coordinatesEwDir>sample string 23</coordinatesEwDir>
    <coordinatesNs>1</coordinatesNs>
    <coordinatesNsDir>sample string 24</coordinatesNsDir>
    <county>sample string 13</county>
    <dataSource>sample string 26</dataSource>
    <designatedBasin>sample string 14</designatedBasin>
    <division>1</division>
    <elevation>1.1</elevation>
    <elevationAccuracy>sample string 8</elevationAccuracy>
    <latitude>1</latitude>
    <locationAccuracy>sample string 25</locationAccuracy>
    <locationNumber>sample string 10</locationNumber>
    <longitude>1</longitude>
    <managementDistrict>sample string 15</managementDistrict>
    <measurementBy>sample string 5</measurementBy>
    <measurementDate>2025-12-06T17:28:06.6364408-07:00</measurementDate>
    <modified>2025-12-06T17:28:06.6364408-07:00</modified>
    <moreInformation>sample string 27</moreInformation>
    <permit>sample string 4</permit>
    <pm>sample string 22</pm>
    <porCount>1</porCount>
    <porEnd>2025-12-06T17:28:06.6364408-07:00</porEnd>
    <porStart>2025-12-06T17:28:06.6364408-07:00</porStart>
    <publicationName>sample string 6</publicationName>
    <q10>sample string 16</q10>
    <q160>sample string 18</q160>
    <q40>sample string 17</q40>
    <range>sample string 21</range>
    <receipt>sample string 3</receipt>
    <section>sample string 19</section>
    <topPerforatedCasing>1</topPerforatedCasing>
    <township>sample string 20</township>
    <usgsSiteId>sample string 11</usgsSiteId>
    <utmX>1</utmX>
    <utmY>1</utmY>
    <waterDistrict>1</waterDistrict>
    <waterLevelDepth>1.1</waterLevelDepth>
    <waterLevelElevation>1.1</waterLevelElevation>
    <wdid>sample string 9</wdid>
    <wellDepth>1</wellDepth>
    <wellId>1</wellId>
    <wellName>sample string 2</wellName>
  </WaterLevelsWell>
</ArrayOfWaterLevelsWell>