---
type: "Bill"
title: "Concerning state board of health rules regarding on-site sewage systems."
description: "Concerning state board of health rules regarding on-site sewage systems."
jurisdiction: "us/states/wa"
legislature: "Washington Legislature"
session: "2019-2020"
identifier: "SB 5503"
citation: "Washington SB 5503 (2019-2020)"
classification: ["bill"]
subjects: ["SEWAGE AND SEWERS", "HEALTH DEPARTMENTS", "LOCAL"]
status: "enacted"
primary_sponsors: ["Das"]
version_count: 1
action_count: 23
vote_count: 2
first_action: "2019-01-23"
last_action: "2019-04-17"
source: "openstates"
source_identifier: "ocd-bill/94a8a111-5e8a-4677-9cdd-eda7490efe70"
source_url: "http://apps.leg.wa.gov/billinfo/summary.aspx?bill=5503&year=2019"
source_hash: "f71c41af33bea00f59399b5cde062fa798685b76efd3b557ef9c9e811ecd155a"
vintage: "2026-07-01"
source_snapshot: "https://data.openstates.org/daily/2026-07-01/public.pgdump"
retrieved_at: "2026-07-06"
confidence: "reported"
tags: ["legislation", "bill", "us-wa"]
---

# Washington SB 5503 (2019-2020) — Concerning state board of health rules regarding on-site sewage systems.

## Version chain

The bill's text revisions, in order — the diff chain from filing to enrollment.

1. **Bill** (committee substitute) — [source](http://lawfilesext.leg.wa.gov/Biennium/2019-20/Htm/Bills/Senate%20Bills/5503.htm)

## Votes

- Final Passage (#12) — **93–0** (pass) · lower
- 3rd Reading & Final Passage (#16) — **47–0** (pass) · upper

## Sponsors

- Das — primary (person)
- Fortunato — cosponsor (person)
- Takko — cosponsor (person)

## Timeline

The legislative action history — every referral, reading, and vote.

- **2019-01-23** First reading, referred to Environment, Energy & Technology. `reading-1`
- **2019-02-14** ENET - Majority; do pass.
- **2019-02-15** Passed to Rules Committee for second reading.
- **2019-02-19** Made eligible to be placed on second reading.
- **2019-02-26** Placed on second reading by Rules Committee.
- **2019-03-06** Rules suspended. Placed on Third Reading.
- **2019-03-06** Third reading, passed; yeas, 47; nays, 0; absent, 0; excused, 2. `reading-3`
- **2019-03-08** First reading, referred to Environment & Energy. `reading-1`
- **2019-03-26** ENVI - Majority; do pass.
- **2019-03-29** Referred to Rules 2 Review.
- **2019-04-03** Rules Committee relieved of further consideration. Placed on second reading.
- **2019-04-04** Placed on third reading.
- **2019-04-04** Third reading, passed; yeas, 93; nays, 0; absent, 0; excused, 5. `reading-3`
- **2019-04-08** President signed. `passage`
- **2019-04-09** Speaker signed. `passage`
- **2019-04-11** Delivered to Governor.
- **2019-04-17** Governor partially vetoed. `executive-veto-line-item`
- **2019-04-17** Chapter 21, 2019 Laws PV. `became-law`
- **2019-04-17** Effective date 7/28/2019. `became-law`
- **2019-02-13T13:30:00+00:00** Scheduled for public hearing in the Senate Committee on Environment, Energy & Technology at 08:30 AM
- **2019-02-14T15:00:00+00:00** Scheduled for public hearing in the Senate Committee on Environment, Energy & Technology at 10:00 AM
- **2019-03-18T17:30:00+00:00** Scheduled for public hearing in the House Committee on Environment & Energy at 01:30 PM
- **2019-03-26T19:30:00+00:00** Scheduled for public hearing in the House Committee on Environment & Energy at 03:30 PM

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/94a8a111-5e8a-4677-9cdd-eda7490efe70`. Confidence: reported (aggregated from official Washington legislature records).