{"schemaVersion":"ready-scan.discovery-surface.v1","id":"urn:readyscan:corpus:buyer-question:excel-landscaping-q139719814-answer-4c19b3dc1c23b9155221","key":"buyer_question:excel-landscaping-q139719814-answer-4c19b3dc1c23b9155221","kind":"buyer_question","slug":"excel-landscaping-q139719814-answer-4c19b3dc1c23b9155221","canonicalUrl":"https://readyscan.ai/corpus/buyer-question/excel-landscaping-q139719814-answer-4c19b3dc1c23b9155221","machineUrl":"https://readyscan.ai/discovery/corpus/buyer-question/excel-landscaping-q139719814-answer-4c19b3dc1c23b9155221.json","datePublished":"2026-10-22","dateModified":"2026-10-22","materialFingerprint":"fnv1a64:ff368e2b58e3940d","membershipFingerprint":"fnv1a64:83f160915f2f8158","relatedEntitySlugs":["excel-landscaping-q139719814"],"relatedSurfaceKeys":["buyer_question:excel-landscaping-q139719814-answer-1e759ac132af87e17987","buyer_question:excel-landscaping-q139719814-answer-2285b77100b19c8e78af","buyer_question:excel-landscaping-q139719814-answer-5b7604981bb0c72a1ea1","buyer_question:excel-landscaping-q139719814-answer-d6bf5c6043920712ec19","buyer_question:excel-landscaping-q139719814-answer-e10a200ccdd641835685","evidence:excel-landscaping-q139719814","relationship:excel-landscaping-q139719814-products-and-services"],"sourceIds":["ready-scan-subjects"],"provenance":[{"snapshotId":"excel-landscaping-q139719814-content-3f2c16194f9ba534-snapshot","sourceId":"ready-scan-subjects","sourceRecordId":"Q139719814","sourceRevisionId":"Q139719814:content:86cfc4d65329beda","sourceContentHash":"fnv1a64:9fd844ec11220136","recordRevisionId":"Q139719814:content:86cfc4d65329beda","recordContentHash":"fnv1a64:afbb4b6f25a4e0f2","sourceCanonicalUrl":"https://excellandscapingstl.com/","sourceModifiedAt":"2026-10-22T03:23:36.963Z","observedOn":"2026-10-22","permission":{"basis":"public_information","evidenceUrl":"https://excellandscapingstl.com/"},"attributionUrl":"https://excellandscapingstl.com/"}],"quality":{"method":"same_kind_unique_trigram_floor","minimumUniqueTrigramRatio":0.3,"status":"passed"},"title":"How much does a drainage system cost?","summary":"Cited source answers across 1 active corpus record.","question":"How much does a drainage system cost?","answers":[{"entitySlug":"excel-landscaping-q139719814","entityName":"Excel Landscaping","answer":"“Drainage costs vary depending on the size of the property, the type of system, excavation requirements, pipe length, materials, and where the water will discharge. Based on our experience installing drainage systems throughout St. Louis, many residential drainage projects start around $4,000 to 8x,000, with larger or more complex systems increasing from there.”","sourceUrls":["https://excellandscapingstl.com/drainage-solutions/"]}]}