GET /collections/monitoring-locations/items
Summary: Query monitoring locations
Operation ID: getMonitoringLocations
Auth: unknown
Operation ID: getMonitoringLocations
Auth: unknown
Description
Returns monitoring location features. Use to find monitoring sites by location, state, county, HUC, site type, etc.
Parameters (15)
agency_code
(string, query, optional)
Filter by agency code
bbox
(array, query, optional)
Bounding box for spatial filtering (minLon,minLat,maxLon,maxLat)
county_code
(string, query, optional)
Filter by county code
county_name
(string, query, optional)
Filter by county name
cursor
(string, query, optional)
Cursor for pagination (from previous response)
f
(string, query, optional, default: json)
Output format
Constraints: {'enum': ['json', 'html', 'jsonld', 'csv']}
hydrologic_unit_code
(string, query, optional)
Filter by hydrologic unit code (HUC)
limit
(integer, query, optional, default: 100)
Maximum number of items to return
Constraints: {'minimum': 1, 'maximum': 10000}
monitoring_location_name
(string, query, optional)
Filter by monitoring location name
monitoring_location_number
(string, query, optional)
Filter by monitoring location number (site number)
offset
(integer, query, optional, default: 0)
Offset for pagination
Constraints: {'minimum': 0}
site_type
(string, query, optional)
Filter by site type
site_type_code
(string, query, optional)
Filter by site type code
state_code
(string, query, optional)
Filter by state code (FIPS code)
state_name
(string, query, optional)
Filter by state name
Examples (1)
| Title | Type | URL | Action |
|---|---|---|---|
| Query monitoring locations | probe-gate |
https://api.waterdata.usgs.gov/ogcapi/v0/collections/monitoring-locations/items |
Probe History
Status Codes
| Time | Status | Latency | Size |
|---|---|---|---|
| 2026-03-23 10:48:48.500332 | 200 | 899ms | |
| 2026-03-20T03:18:55.041858 | 200 | 839ms |
Response Changes
| When | Old | New |
|---|---|---|
| 2026-03-23 10:48:48.500332 | 127123dd9f40 |
142e6b17b6e9 |