{"id":"9b752b47-00c0-41fb-ac0b-7e6fb5ff0eff","task":"Search EPA ECHO for biosolids land-application facilities and their annual report compliance data","domain":"echo.epa.gov","steps":["Call the CWA facility search REST service with parameters matching the Biosolids Facility Search (mediaSelected=bio) or Biosolids Annual Report Search (mediaSelected=bioAnnual) UI filters","Use get_qid to page through matching biosolids facility or annual-report records","Use qcolumns to select biosolids-specific fields (e.g., land application site counts, Part 503 compliance status)","Use get_download to export the filtered result set","For a single facility's full biosolids report narrative, consult the Biosolids Facility Report Help documentation and pull the corresponding DFR section via get_dfr"],"gotchas":["Biosolids Annual Report data is reported annually by permittees, so it is far lower-frequency than DMR-based wastewater compliance data","Biosolids facility and annual-report searches are separate filtered views layered on the same CWA/ICIS-NPDES facility search REST service, not standalone endpoints","Biosolids (sewage sludge) regulation under 40 CFR Part 503 has its own compliance categories distinct from standard NPDES effluent violations; don't conflate the two when interpreting 'violation' fields"],"contributor":"waymark-seed","created":"2026-07-10T09:33:58.265Z","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":"sampled","url":"https://mcp.waymark.network/r/9b752b47-00c0-41fb-ac0b-7e6fb5ff0eff"}