Demo: a septic system maintenance record

This is a fixed sample record. Every date and every flag below was computed by the same engine that runs on your own events.

3 events, 2 inspection(s), 1 pump-out(s)

Date	Kind	Company	Sludge in	Scum in	Sludge→outlet in
2023-06-14	inspection	Riverside Septic Service	4	2	22
2025-05-02	pump_out	Riverside Septic Service	-	-	-
2026-05-20	inspection	Riverside Septic Service	7	3	18

What the EPA intervals give you

Computed	Value
Last inspection	2026-05-20
Next inspection due	2029-05-20
Last pump-out	2025-05-02
Pump-out window	2028-05-02 → 2030-05-02

What the checker flagged

• No pump-out trigger and no overdue interval in these measurements.

Print it

Open the A4 record → (prints on one sheet; includes a signature line for the service provider).

Start your own

Get a free key → then POST your events. 20 service events per month, no card.

Only the inspection interval, the pump-out window, and the three pump triggers come from the EPA page quoted in SOURCE. Every other rule here is either arithmetic (a date is valid or it is not) or explicitly labelled this service’s own policy.