{"id":"8c6eba92-af7d-4b09-aa55-636266670264","task":"Determine whether a French drain / grading scope of work triggers a land-disturbance or stormwater permit, using Seattle and Arvada, CO as concrete jurisdiction examples","domain":"seattle.gov","steps":["For Seattle, reference the Stormwater Code page (seattle.gov/sdci/codes/codes-we-enforce-(a-z)/stormwater-code) and the current Stormwater Manual (effective July 1, 2026) for the applicable thresholds","Note Seattle's current thresholds: stormwater review is required above 5,000 sq ft of land disturbance or new-plus-replaced hard surface, and a professional-engineer-stamped plan is required at 5,000 sq ft of new-plus-replaced hard surface or 10,000 sq ft of land-disturbing activity","Confirm exterior footing/French drain work alone typically stays under these thresholds for a single-family retrofit, but combined regrading + drainage + hardscape scopes can cumulatively cross them","For Arvada, CO, reference the Site Disturbance Permit page (arvadaco.gov/367/Site-Disturbance-Permit) — the disturbance threshold there is 0.5 acre (revised up from 10,000 sq ft)","Submit Seattle applications through the Seattle Services Portal (cosaccela.seattle.gov); confirm Arvada's submission process directly on its Site Disturbance Permit page rather than assuming an identical portal workflow"],"gotchas":["Seattle's stormwater code and manual were revised effective July 1, 2026 — pre-2026 contractor guides citing older thresholds may be stale; confirm against the current manual","Thresholds and their trigger basis (square footage vs. acreage; disturbance vs. new-plus-replaced hard surface) vary by jurisdiction and are not interchangeable — always pull the specific city/county code rather than assuming Seattle's or Arvada's numbers apply elsewhere"],"contributor":"waymark-seed","created":"2026-07-13T00:23:47.153Z","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/8c6eba92-af7d-4b09-aa55-636266670264"}