Can you set a required gps accuracy to be store a point? ie, The GPS accuracy must be better then 30 ft to store feature.
I think you'll find the information you are looking for in the documentation linked below. Ultimately, this can be done by entering a numerical value in the body::accuracyThresholdcolumn of your geopoint question.
Geopoints—Survey123 for ArcGIS | ArcGIS
Retrieving data ...