---
type: "Bill"
title: "Authorize Water Use Incidental Sand And Gravel Mines"
description: "Water Resources Review Committee. Current law requires operators of sand and gravel open mines that expose groundwater to the atmosphere to obtain a well permit and either: A replacement plan approved by the ground water commission for designated groundwater; or a plan for augmentation approved by the water court or a plan of substitute supply approved by the state engineer for tributary groundwater. The bill specifies that the replacement plan (in section 1 of the bill) or the plan of substitute supply (in section 2 ) and the permit may authorize uses of water incidental to open mining for sand and gravel, including specifically (among other things) the mitigation of impacts from mining and dewatering.(Note: This summary applies to the reengrossed version of this bill as introduced in the second house.)"
jurisdiction: "us/states/co"
legislature: "Colorado General Assembly"
session: "2018A"
identifier: "SB 18-041"
citation: "Colorado SB 18-041 (2018A)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Don Coram", "Jeni James Arndt", "Lori Saine", "Randy Baumgardner"]
version_count: 9
action_count: 12
vote_count: 2
first_action: "2018-01-10T07:00:00+00:00"
last_action: "2018-03-01T07:00:00+00:00"
source: "openstates"
source_identifier: "ocd-bill/a7e11b7e-8a97-46e7-b170-5b6af6b4495d"
source_url: "http://leg.colorado.gov/bills/sb18-041"
source_hash: "9c5168529a1ec3e6b0c71ba31760017f80dbd316dacd98d34476566f836544a5"
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 SB 18-041 (2018A) — Authorize Water Use Incidental Sand And Gravel Mines

Water Resources Review Committee. Current law requires operators of sand and gravel open mines that expose groundwater to the atmosphere to obtain a well permit and either: A replacement plan approved by the ground water commission for designated groundwater; or a plan for augmentation approved by the water court or a plan of substitute supply approved by the state engineer for tributary groundwater. The bill specifies that the replacement plan (in section 1 of the bill) or the plan of substitute supply (in section 2 ) and the permit may authorize uses of water incidental to open mining for sand and gravel, including specifically (among other things) the mitigation of impacts from mining and dewatering.(Note: This summary applies to the reengrossed version of this bill as introduced in the second house.)

## Version chain

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

1. **Committee Amendment** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2018a/bills/cr/2018a_sb041_h_agr_001.pdf)
2. **Engrossed (01/23/2018)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2018A/bills/2018a_041_eng.pdf)
3. **Final Act (02/23/2018)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2018A/bills/2018a_041_enr.pdf)
4. **Introduced (01/10/2018)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2018A/bills/2018a_041_01.pdf)
5. **PA1 (01/19/2018)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2018A/bills/2018a_041sagr_01.pdf)
6. **Reengrossed (01/24/2018)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2018A/bills/2018a_041_ren.pdf)
7. **Rerevised (02/16/2018)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2018A/bills/2018a_041_rer.pdf)
8. **Revised (02/15/2018)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2018A/bills/2018a_041_rev.pdf)
9. **Signed Act (03/01/2018)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2018A/bills/2018a_041_signed.pdf)

## Votes

- BILL — **63–0** (pass) · lower
- BILL — **33–0** (pass) · lower

## Sponsors

- Don Coram — primary (person)
- Jeni James Arndt — primary (person)
- Lori Saine — primary (person)
- Randy Baumgardner — primary (person)

## Timeline

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

- **2018-03-01T07:00:00+00:00** Governor Signed `executive-signature`
- **2018-02-23T07:00:00+00:00** Sent to the Governor `executive-receipt`
- **2018-02-23T07:00:00+00:00** Signed by the Speaker of the House
- **2018-02-22T07:00:00+00:00** Signed by the President of the Senate
- **2018-02-16T07:00:00+00:00** House Third Reading Passed - No Amendments `reading-3, passage`
- **2018-02-15T07:00:00+00:00** House Second Reading Passed - No Amendments `reading-2`
- **2018-02-12T07:00:00+00:00** House Committee on Agriculture, Livestock, & Natural Resources Refer Unamended to House Committee of the Whole `referral-committee, committee-passage`
- **2018-01-26T07:00:00+00:00** Introduced In House - Assigned to Agriculture, Livestock, & Natural Resources `introduction`
- **2018-01-24T07:00:00+00:00** Senate Third Reading Passed - No Amendments `reading-3, passage`
- **2018-01-23T07:00:00+00:00** Senate Second Reading Passed with Amendments - Committee `reading-2`
- **2018-01-18T07:00:00+00:00** Senate Committee on Agriculture, Natural Resources, & Energy Refer Amended - Consent Calendar to Senate Committee of the Whole `committee-passage`
- **2018-01-10T07:00:00+00:00** Introduced In Senate - Assigned to Agriculture, Natural Resources, & Energy `introduction`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/a7e11b7e-8a97-46e7-b170-5b6af6b4495d`. Confidence: reported (aggregated from official Colorado legislature records).