---
type: "Bill"
title: "Nutrient Management – Nonagricultural Fertilizer Application – Requirements and Penalties"
description: "Nutrient Management – Nonagricultural Fertilizer Application – Requirements and Penalties"
jurisdiction: "us/states/md"
legislature: "Maryland General Assembly"
session: "2020"
identifier: "HB 161"
citation: "Maryland HB 161 (2020)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: []
version_count: 3
action_count: 20
vote_count: 2
first_action: "2020-01-15"
last_action: "2020-05-08"
source: "openstates"
source_identifier: "ocd-bill/5ede7915-b909-4fab-a6f9-3519145af131"
source_url: "http://mgaleg.maryland.gov/mgawebsite/Legislation/Details/hb0161?ys=2020RS&search=True"
source_hash: "8112ea0e984de19b65fc5e4a36295ebd1e917234a1d17e9d41a9a6910b77307a"
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 161 (2020) — Nutrient Management – Nonagricultural Fertilizer Application – Requirements and Penalties

## Version chain

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

1. **Chapter - Nutrient Management – Nonagricultural Fertilizer Application – Requirements and Penalties** (committee substitute) — [source](http://mgaleg.maryland.gov/2020RS/Chapters_noln/CH_88_hb0161t.pdf)
2. **First - Nutrient Management - Professional Fertilizer Applicators - Requirements and Penalties** (committee substitute) — [source](http://mgaleg.maryland.gov/2020RS/bills/hb/hb0161f.pdf)
3. **Third - Nutrient Management – Nonagricultural Fertilizer Application – Requirements and Penalties** (committee substitute) — [source](http://mgaleg.maryland.gov/2020RS/bills/hb/hb0161t.pdf)

## Votes

- On Third Reading — **138–0** (pass) · lower
- On Third Reading — **44–0** (pass) · upper

## Sponsors

- Chair, Environment and Transportation Committee — primary (organization)

## Timeline

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

- **2020-01-15** First Reading Environment and Transportation `referral-committee`
- **2020-01-17** Hearing 2/05 at 2:00 p.m.
- **2020-01-17** Hearing canceled
- **2020-01-17** Hearing 2/05 at 1:00 p.m.
- **2020-01-21** Hearing canceled
- **2020-01-21** Hearing 2/12 at 1:00 p.m.
- **2020-03-02** Favorable with Amendments Report by Environment and Transportation `committee-passage-favorable`
- **2020-03-03** Favorable with Amendments { `committee-passage-favorable`
- **2020-03-03** Second Reading Passed with Amendments
- **2020-03-05** Third Reading Passed `passage`
- **2020-03-06** Referred Rules `referral-committee`
- **2020-03-14** Rereferred to Education, Health, and Environmental Affairs
- **2020-03-15** Hearing 3/16 at 11:00 a.m.
- **2020-03-17** Favorable Report by Education, Health, and Environmental Affairs `committee-passage-favorable`
- **2020-03-17** Favorable Adopted `committee-passage-favorable`
- **2020-03-17** Second Reading Passed
- **2020-03-17** Motion Rules Suspend Two Readings Same Day Const/Rule 24 (Senator King) Adopted
- **2020-03-17** Third Reading Passed `passage`
- **2020-03-18** Returned Passed
- **2020-05-08** Enacted under Article II, Section 17(c) of the Maryland Constitution - Chapter 88 `became-law`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/5ede7915-b909-4fab-a6f9-3519145af131`. Confidence: reported (aggregated from official Maryland legislature records).