---
type: "Bill"
title: "Natural Resources - Waters of the State - Mobile Locator Application"
description: "Natural Resources - Waters of the State - Mobile Locator Application"
jurisdiction: "us/states/md"
legislature: "Maryland General Assembly"
session: "2021"
identifier: "HB 800"
citation: "Maryland HB 800 (2021)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Clark"]
version_count: 3
action_count: 14
vote_count: 2
first_action: "2021-01-29"
last_action: "2021-05-18"
source: "openstates"
source_identifier: "ocd-bill/aeda710a-3b6b-4762-bf92-53f8de9f5540"
source_url: "http://mgaleg.maryland.gov/mgawebsite/Legislation/Details/hb0800?ys=2021RS&search=True"
source_hash: "997b7b37a6a4c1fd9e0b406109fd4f4b4782ab07596c03240d1bb7226d1cb19b"
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-md"]
---

# Maryland HB 800 (2021) — Natural Resources - Waters of the State - Mobile Locator Application

## Version chain

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

1. **Chapter - Natural Resources - Waters of the State - Mobile Locator Application** (committee substitute) — [source](http://mgaleg.maryland.gov/2021RS/Chapters_noln/CH_169_hb0800t.pdf)
2. **First - Aquaculture Leases - Marking and Recording Requirements - Mobile Application** (committee substitute) — [source](http://mgaleg.maryland.gov/2021RS/bills/hb/hb0800f.pdf)
3. **Third - Natural Resources - Waters of the State - Mobile Locator Application** (committee substitute) — [source](http://mgaleg.maryland.gov/2021RS/bills/hb/hb0800t.pdf)

## Votes

- On Third Reading — **138–0** (pass) · lower
- On Third Reading — **46–0** (pass) · upper

## Sponsors

- Clark — primary (person)

## Timeline

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

- **2021-01-29** First Reading Environment and Transportation `referral-committee`
- **2021-02-02** Hearing 2/17 at 1:30 p.m.
- **2021-03-08** Favorable with Amendments Report by Environment and Transportation `committee-passage-favorable`
- **2021-03-09** Favorable with Amendments { `committee-passage-favorable`
- **2021-03-09** Second Reading Passed with Amendments
- **2021-03-10** Third Reading Passed `passage`
- **2021-03-11** Referred Education, Health, and Environmental Affairs `referral-committee`
- **2021-03-16** Hearing 3/24 at 1:00 p.m.
- **2021-04-01** Favorable Report by Education, Health, and Environmental Affairs `committee-passage-favorable`
- **2021-04-01** Favorable Adopted `committee-passage-favorable`
- **2021-04-01** Second Reading Passed
- **2021-04-02** Third Reading Passed `passage`
- **2021-04-05** Returned Passed
- **2021-05-18** Approved by the Governor - Chapter 169 `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/aeda710a-3b6b-4762-bf92-53f8de9f5540`. Confidence: reported (aggregated from official Maryland legislature records).