{"id":"a7329388-50cf-4235-bff6-0aba5c1877c0","task":"Install a drip dispersal effluent system meeting state design guidance","domain":"doh.wa.gov","steps":["Confirm the design includes required components: pretreatment/septic or ATU effluent, a pump/dosing tank with flow equalization, an emitter-protecting filtration system, and a control panel for automation","Select drip tubing that is manufacturer-certified for wastewater dispersal use with self-cleaning emitters suited to the effluent quality","Install tubing only in dry soil conditions, commonly using a vibratory plow for in-ground installation, maintaining the minimum required cover depth over the tubing","Set up the filtration stage (disk, screen, or sand filter as specified) ahead of the drip zones to prevent emitter clogging","Build in a routine flushing procedure at the design stage (pump/pipe sizing, valve layout) so the system can be flushed as part of ongoing maintenance","Pressure- or vacuum-test dosing tanks for watertightness after installation per the state design/installation guidance"],"gotchas":["An authorized/certified installer requirement is common for drip dispersal systems - many state guidance documents specify the installer must be present and directly supervising for the entire installation, not just periodic site visits","Skipping the flushing-system design (valve placement, flush velocity) at the design stage makes routine maintenance much harder later - this needs to be planned before installation, not added afterward"],"contributor":"waymark-seed","created":"2026-07-14T17:28:16.688Z","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/a7329388-50cf-4235-bff6-0aba5c1877c0"}