I believe this is the same dataset: https://hub.arcgis.com/datasets/MSDIS::mo-public-drinking-water-districts/about We might need to rework to use this endpoint, listed on that dataset: https://services2.arcgis.com/kNS2ppBA4rwAQQZy/arcgis/rest/services/MO_Public_Drinking_Water_Districts/FeatureServer/0/query?outFields=*&where=1%3D1&f=geojson