republic-os/legislation/us/states/co/2026a/hb-1145.md

---
type: "Bill"
title: "Mobile Home Park Water Quality"
description: "The water quality control division (division) administers a program to test for and remediate water quality issues for mobile home parks (program). The program tests for water quality issues that pose a risk to not only health or safety but also the welfare of park residents. The act authorizes the division to require remediation of welfare-related water quality violations. One of the requirements of the program is for the park owner to certify that the park owner has made certain water-quality-related notices to park residents. The act authorizes the division to issue an order requiring the park owner to comply with the park resident notice certification requirement. Under the program, the park owner is prohibited from imposing the cost of compliance with certain remediation-related requirements on park residents. The act authorizes a park owner who is also a park resident to bear this cost. The program authorizes the division to issue orders requiring the park owner to perform additional water testing, perform temporary measures necessary to address acute health risks, make additional reports to the division, create a remediation plan, implement a remediation plan, or respond to the division in connection with a remediation plan. The act clarifies that a park owner may ask for a hearing only regarding the orders that concern remediation plans. The act also clarifies that:The division has authority to enforce the requirements of the program; andThe division has authority to issue cease-and-desist orders to address violations related to the program, regardless of whether the issues are related to water quality violations. The act also provides that:An additional monthly penalty of up to $5,000 for a continuing violation may be imposed for the first 30 days of noncompliance; andA park owner is not entitled to an administrative hearing to contest an imposed civil penalty but may seek judicial review.(Note: This summary applies to this bill as enacted.)"
jurisdiction: "us/states/co"
legislature: "Colorado General Assembly"
session: "2026A"
identifier: "HB 1145"
citation: "Colorado HB 1145 (2026A)"
classification: ["bill"]
subjects: ["Public Health", "Water"]
status: "enacted"
primary_sponsors: ["E. Velasco", "J. Phillips", "K. Mullica", "L. Cutter"]
version_count: 7
action_count: 14
vote_count: 4
first_action: "2026-02-04"
last_action: "2026-05-04"
source: "openstates"
source_identifier: "ocd-bill/e9403e7b-25fe-46b1-ac6f-c081228e0f36"
source_url: "https://leg.colorado.gov/bills/HB26-1145"
source_hash: "849a8d42e3045c7fe9773a04ca4bf61715c50011c1ebe1a1c55ef7a63b355eda"
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-co"]
---

# Colorado HB 1145 (2026A) — Mobile Home Park Water Quality

The water quality control division (division) administers a program to test for and remediate water quality issues for mobile home parks (program). The program tests for water quality issues that pose a risk to not only health or safety but also the welfare of park residents. The act authorizes the division to require remediation of welfare-related water quality violations. One of the requirements of the program is for the park owner to certify that the park owner has made certain water-quality-related notices to park residents. The act authorizes the division to issue an order requiring the park owner to comply with the park resident notice certification requirement. Under the program, the park owner is prohibited from imposing the cost of compliance with certain remediation-related requirements on park residents. The act authorizes a park owner who is also a park resident to bear this cost. The program authorizes the division to issue orders requiring the park owner to perform additional water testing, perform temporary measures necessary to address acute health risks, make additional reports to the division, create a remediation plan, implement a remediation plan, or respond to the division in connection with a remediation plan. The act clarifies that a park owner may ask for a hearing only regarding the orders that concern remediation plans. The act also clarifies that:The division has authority to enforce the requirements of the program; andThe division has authority to issue cease-and-desist orders to address violations related to the program, regardless of whether the issues are related to water quality violations. The act also provides that:An additional monthly penalty of up to $5,000 for a continuing violation may be imposed for the first 30 days of noncompliance; andA park owner is not entitled to an administrative hearing to contest an imposed civil penalty but may seek judicial review.(Note: This summary applies to this bill as enacted.)

## Version chain

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

1. **Introduced** (filed) — [source](https://leg.colorado.gov/bill_files/111290/download)
2. **Engrossed** (committee substitute) — [source](https://leg.colorado.gov/bill_files/112857/download)
3. **Final Act** (committee substitute) — [source](https://leg.colorado.gov/bill_files/114919/download)
4. **Reengrossed** (committee substitute) — [source](https://leg.colorado.gov/bill_files/112904/download)
5. **Rerevised** (committee substitute) — [source](https://leg.colorado.gov/bill_files/113958/download)
6. **Revised** (committee substitute) — [source](https://leg.colorado.gov/bill_files/113929/download)
7. **Signed Act** (committee substitute) — [source](https://leg.colorado.gov/bill_files/115771/download)

## Votes

- Refer House Bill 26-1145 to the Committee of the Whole. — **pass** (pass) · upper
- Refer House Bill 26-1145, as amended, to the Committee of the Whole. — **pass** (pass) · lower
- Adopt amendment L.001 (Attachment C) — **pass** (pass) · lower
- BILL — **pass** (pass) · lower

## Sponsors

- E. Velasco — primary (person)
- J. Phillips — primary (person)
- K. Mullica — primary (person)
- L. Cutter — primary (person)
- A. Benavidez — cosponsor (person)
- A. Boesenecker — cosponsor (person)
- A. Paschal — cosponsor (person)
- B. Marshall — cosponsor (person)
- B. Titone — cosponsor (person)
- C. Espenoza — cosponsor (person)
- C. Kipp — cosponsor (person)
- C. Kolker — cosponsor (person)
- D. Roberts — cosponsor (person)
- E. Hamrick — cosponsor (person)
- E. Sirota — cosponsor (person)
- G. Rydin — cosponsor (person)
- I. Jodeh — cosponsor (person)
- J. Amabile — cosponsor (person)
- J. Bacon — cosponsor (person)
- J. Coleman — cosponsor (person)
- J. Gonzales — cosponsor (person)
- J. Jackson — cosponsor (person)
- J. Joseph — cosponsor (person)
- J. Marchman — cosponsor (person)
- K. Brown — cosponsor (person)
- K. McCormick — cosponsor (person)
- K. Nguyen — cosponsor (person)
- K. Stewart — cosponsor (person)
- K. Wallace — cosponsor (person)
- L. Daugherty — cosponsor (person)
- L. Goldstein — cosponsor (person)
- L. Smith — cosponsor (person)
- M. Duran — cosponsor (person)
- M. Froelich — cosponsor (person)
- M. Lindsay — cosponsor (person)
- M. Lukens — cosponsor (person)
- M. Martinez — cosponsor (person)
- M. Rutinel — cosponsor (person)
- M. Weissman — cosponsor (person)
- N. Hinrichsen — cosponsor (person)
- N. Ricks — cosponsor (person)
- R. Rodriguez — cosponsor (person)
- R. Stewart — cosponsor (person)
- S. Camacho — cosponsor (person)
- S. Lieder — cosponsor (person)
- S. Woodrow — cosponsor (person)
- T. Mauro — cosponsor (person)
- T. Story — cosponsor (person)
- W. Lindstedt — cosponsor (person)

## Timeline

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

- **2026-05-04** Governor Signed `executive-signature`
- **2026-04-23** Sent to the Governor `executive-receipt`
- **2026-04-22** Signed by the President of the Senate `passage`
- **2026-04-22** Signed by the Speaker of the House `passage`
- **2026-04-02** Senate Third Reading Passed - No Amendments `passage, reading-3`
- **2026-04-01** Senate Second Reading Passed - No Amendments `reading-2`
- **2026-03-31** Senate Second Reading Laid Over to 04/01/2026 - No Amendments
- **2026-03-26** Senate Committee on Local Government & Housing Refer Unamended to Senate Committee of the Whole `committee-passage, referral-committee`
- **2026-03-10** Introduced In Senate - Assigned to Local Government & Housing `introduction`
- **2026-03-05** House Third Reading Passed - No Amendments `passage, reading-3`
- **2026-03-04** House Second Reading Special Order - Passed with Amendments - Committee
- **2026-02-27** House Second Reading Laid Over Daily - No Amendments
- **2026-02-24** House Committee on Transportation, Housing & Local Government Refer Amended to House Committee of the Whole `committee-passage, referral-committee`
- **2026-02-04** Introduced In House - Assigned to Transportation, Housing & Local Government `introduction`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/e9403e7b-25fe-46b1-ac6f-c081228e0f36`. Confidence: reported (aggregated from official Colorado legislature records).