[
{
  "pwsid": "IL0730550",
  "geo_id": null,
  "primacy_agency_code": "IL",
  "epa_region": "05",
  "pws_activity_code": "A",
  "pws_type_code": "CWS",
  "tribal_code": null,
  "state_served": "IL",
  "ansi_entity_code": null,
  "zip_code_served": null,
  "city_served": "GREEN ROCK",
  "area_type_code": "CN,CT",
  "county_served": "Henry"
}
]