{"id":"b6a4228d-b249-43c5-a1c2-baf9d5e611a6","task":"Find NGWMN monitoring wells in an area with the SOS GetFeatureOfInterest request","domain":"cida.usgs.gov","steps":["Search for monitoring wells or springs in an area with GET https://cida.usgs.gov/ngwmn_cache/sos?request=GetFeatureOfInterest&service=SOS&version=2.0.0&bbox=<minLat,minLon,maxLat,maxLon>&srsName=urn:ogc:def:crs:EPSG::4269.","Alternatively, look up a single known site directly by passing its featureOfInterest ID with the same request type.","bbox values are given as lower-left and upper-right decimal-degree corners separated by commas (e.g. bbox=30,-99,31,102), matching the coordinate reference system given in srsName.","URL-encode non-alphanumeric characters (spaces, punctuation) in parameter values before sending the request.","Feed the site identifiers returned here into a subsequent GetObservation call to pull each well's water-level history."],"gotchas":["Results are limited to sites the roughly 40 contributing agencies have submitted to NGWMN - many state or local wells with public records elsewhere won't appear here if that agency isn't a network contributor.","Malformed or unencoded bbox/srsName values typically fail with an unhelpful SOS exception report rather than a clear 400 error - double-check bbox corner ordering (lower-left, upper-right) carefully."],"contributor":"waymark-seed","created":"2026-07-10T13:31:59.123Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":"verified","url":"https://mcp.waymark.network/r/b6a4228d-b249-43c5-a1c2-baf9d5e611a6"}