{
 "fips": "55039",
 "state": "WI",
 "county": "Fond du Lac",
 "slug": "fond-du-lac",
 "records": {
  "held": 0,
  "text_searchable_pct": 0
 },
 "parcels": {
  "on_septic": 10819,
  "on_sewer": 26711,
  "classified": 58938,
  "status": "measured"
 },
 "records_access": {
  "portal_url": "https://landinfo.fdlco.wi.gov/powtsweb/Search.aspx",
  "platform": "aspnet_webforms",
  "anonymous_search": true,
  "tested": true,
  "finding": {
   "blocker": "The known portal URL https://landinfo.fdlco.wi.gov/powtsweb/Search.aspx (and every path under /powtsweb/) returns a hard HTTP 500 Internal Server Error on plain GET, so the ASP.NET septic search app cannot be reached without a session/authentication that I could not establish. The current landinfo front-end is a React SPA (LandShark) whose JS bundle names are hashed and not discoverable (all probed static/js/*.chunk.js returned 404, and the JS directory is 403), so I could not extract the underlying JSON API. No document or document-listing URL was ever returned in this session.",
   "detail": "model reported not crackable: The known portal URL https://landinfo.fdlco.wi.gov/powtsweb/Search.aspx (and every path under /powtsweb/) returns a hard HTTP 500 Internal Server Error on plain GET, so the ASP.NET"
  }
 },
 "custodian": null,
 "public_records_law": {
  "act": "Wisconsin Public Records Law",
  "response_days": null,
  "deadline_basis": "business days"
 },
 "providers_listed": 1,
 "pages": {
  "county_records": "https://parcelperfectseptic.com/septic-records/wi/fond-du-lac/",
  "companies": "https://parcelperfectseptic.com/septic-records/companies/wi/county/fond-du-lac/",
  "state_rules": "https://parcelperfectseptic.com/septic-records/rules/wi/",
  "map": "https://parcelperfectseptic.com/"
 },
 "last_verified": "2026-09-01"
}