republic-os/legislation/us/states/in/2020/hb-1099.md

---
type: "Bill"
title: "Low head dams."
description: "Requires the natural resources commission to establish a roster of low head dams in the state that are capable of creating hazardous currents that pose safety issues. Establishes requirements concerning low head dams for the department of natural resources (department) and owners of low head dams. Provides that an owner of at least two low head dams is exempt from certain requirements if that owner has previously installed warning signs, in coordination with the department, and maintains and repairs the existing signs. Except for purposes of an inspection, maintenance, or removal, prohibits a person from accessing a low head dam. Prohibits wading, boating, swimming, or accessing the waters within 50 feet of a low head dam when warning signs are present. Provides that the state is not liable for any death or injury that occurs on or resulting from a low head dam that is not owned by the state. Provides for a penalty for violations. Requires the department to prepare a report that includes recommendations concerning the creation of a low head dam removal program and any recommendations concerning low head dam safety legislation."
jurisdiction: "us/states/in"
legislature: "Indiana General Assembly"
session: "2020"
identifier: "HB 1099"
citation: "Indiana HB 1099 (2020)"
classification: ["bill"]
subjects: ["COMMISSIONS OR COUNCILS", "Existing Agencies", "RIVERS AND STREAMS", "NATURAL RESOURCES", "State Department of", "DAMS AND RESERVOIRS"]
status: "enacted"
primary_sponsors: ["Ethan Manning", "Justin Busch", "Susan Glick"]
version_count: 4
action_count: 23
vote_count: 2
first_action: "2020-01-07"
last_action: "2020-03-30"
source: "openstates"
source_identifier: "ocd-bill/e4dd7094-32fa-4603-ae1c-0e10434824f9"
source_url: "http://iga.in.gov/legislative/2020/bills/house/1099"
source_hash: "36c77dc20282b2ac4c1484f17d4c13c54022b6fc0eeb5e24e7cfda1243f11283"
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-in"]
---

# Indiana HB 1099 (2020) — Low head dams.

Requires the natural resources commission to establish a roster of low head dams in the state that are capable of creating hazardous currents that pose safety issues. Establishes requirements concerning low head dams for the department of natural resources (department) and owners of low head dams. Provides that an owner of at least two low head dams is exempt from certain requirements if that owner has previously installed warning signs, in coordination with the department, and maintains and repairs the existing signs. Except for purposes of an inspection, maintenance, or removal, prohibits a person from accessing a low head dam. Prohibits wading, boating, swimming, or accessing the waters within 50 feet of a low head dam when warning signs are present. Provides that the state is not liable for any death or injury that occurs on or resulting from a low head dam that is not owned by the state. Provides for a penalty for violations. Requires the department to prepare a report that includes recommendations concerning the creation of a low head dam removal program and any recommendations concerning low head dam safety legislation.

## Version chain

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

1. **Enrolled House Bill (H)** (committee substitute) — [source](http://in-proxy.openstates.org/2020/bills/HB1099/versions/HB1099.04.ENRS)
2. **House Bill (H)** (committee substitute) — [source](http://in-proxy.openstates.org/2020/bills/HB1099/versions/HB1099.03.COMS)
3. **House Bill (S)** (committee substitute) — [source](http://in-proxy.openstates.org/2020/bills/HB1099/versions/HB1099.02.COMH)
4. **Introduced House Bill (H)** (committee substitute) — [source](http://in-proxy.openstates.org/2020/bills/HB1099/versions/HB1099.01.INTR)

## Votes

- HB 1099 - Busch - 3rd Reading — **48–0** (pass) · upper
- HB 1099 - Manning - 3rd Reading — **97–1** (pass) · lower

## Sponsors

- Ethan Manning — primary (person)
- Justin Busch — primary (person)
- Susan Glick — primary (person)
- David Abbott — coauthor (person)
- Pat Boy — coauthor (person)
- Ronald Grooms — cosponsor (person)
- Sean Eberhart — coauthor (person)
- Timothy Lanane — cosponsor (person)

## Timeline

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

- **2020-01-07** Authored by Representative Manning
- **2020-01-07** First reading: referred to Committee on Natural Resources `reading-1, referral-committee`
- **2020-01-09** Representatives Eberhart and Abbott D added as coauthors
- **2020-01-16** Representative Boy added as coauthor
- **2020-01-23** Committee report: amend do pass, adopted `committee-passage`
- **2020-01-27** Second reading: ordered engrossed `reading-2`
- **2020-01-28** Senate sponsors: Senators Busch and Glick
- **2020-01-28** Third reading: passed; Roll Call 83: yeas 97, nays 1 `reading-3, passage`
- **2020-01-29** Referred to the Senate
- **2020-02-05** First reading: referred to Committee on Natural Resources `reading-1, referral-committee`
- **2020-02-17** Committee report: amend do pass, adopted `committee-passage`
- **2020-02-17** Senator Lanane added as cosponsor
- **2020-02-20** Second reading: ordered engrossed `reading-2`
- **2020-02-24** Third reading: passed; Roll Call 221: yeas 48, nays 0 `reading-3, passage`
- **2020-02-25** Senator Grooms added as cosponsor
- **2020-02-26** Returned to the House with amendments `amendment-failure`
- **2020-03-04** Motion to concur filed
- **2020-03-05** House concurred in Senate amendments; Roll Call 319: yeas 81, nays 0 `amendment-failure`
- **2020-03-10** Signed by the Speaker
- **2020-03-12** Signed by the President Pro Tempore
- **2020-03-18** Signed by the President of the Senate
- **2020-03-18** Signed by the Governor `executive-signature`
- **2020-03-30** Public Law 104

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/e4dd7094-32fa-4603-ae1c-0e10434824f9`. Confidence: reported (aggregated from official Indiana legislature records).