Legislation: batch A — AK AL AR AZ CO CT DE GA HI IA ID

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

legislation/us/states/co/2020a/hb-20-1159.md

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+---
+type: "Bill"
+title: "State Engineer Confirm Existing Use Instream Flow"
+description: "Current law specifies that the Colorado water conservation board's appropriation of water for instream flow purposes is subject to existing uses and exchanges of water. The act directs the state engineer, in administering current law, to confirm a claim of an existing use or exchange if the use or exchange has not previously been confirmed by court order or decree. The person making the claim may also seek confirmation by the water judge."
+jurisdiction: "us/states/co"
+legislature: "Colorado General Assembly"
+session: "2020A"
+identifier: "HB 20-1159"
+citation: "Colorado HB 20-1159 (2020A)"
+classification: ["bill"]
+subjects: []
+status: "enacted"
+primary_sponsors: ["Don Coram", "Dylan Roberts", "Kerry Donovan", "Marc Catlin"]
+version_count: 8
+action_count: 13
+vote_count: 2
+first_action: "2020-01-21T07:00:00+00:00"
+last_action: "2020-04-01T06:00:00+00:00"
+source: "openstates"
+source_identifier: "ocd-bill/5005fbe5-cc17-4627-833d-efb32600b3f0"
+source_url: "http://leg.colorado.gov/bills/hb20-1159"
+source_hash: "49bd3f791681256cdff4cf433ffacc180124029d114f0c7e301e2c568ba2627b"
+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 20-1159 (2020A) — State Engineer Confirm Existing Use Instream Flow
+
+Current law specifies that the Colorado water conservation board's appropriation of water for instream flow purposes is subject to existing uses and exchanges of water. The act directs the state engineer, in administering current law, to confirm a claim of an existing use or exchange if the use or exchange has not previously been confirmed by court order or decree. The person making the claim may also seek confirmation by the water judge.
+
+## 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/2020a_hb1159_s_agr_001.pdf)
+2. **Engrossed (02/14/2020)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2020A/bills/2020a_1159_eng.pdf)
+3. **Final Act (03/17/2020)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2020A/bills/2020a_1159_enr.pdf)
+4. **Introduced (01/21/2020)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2020A/bills/2020a_1159_01.pdf)
+5. **Reengrossed (02/18/2020)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2020A/bills/2020a_1159_ren.pdf)
+6. **Rerevised (03/04/2020)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2020A/bills/2020a_1159_rer.pdf)
+7. **Revised (03/03/2020)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2020A/bills/2020a_1159_rev.pdf)
+8. **Signed Act (04/01/2020)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/2020a_1159_signed.pdf)
+
+## Votes
+
+- BILL — **31–1** (pass) · upper
+- BILL — **63–0** (pass) · lower
+
+## Sponsors
+
+- Don Coram — primary (person)
+- Dylan Roberts — primary (person)
+- Kerry Donovan — primary (person)
+- Marc Catlin — primary (person)
+
+## Timeline
+
+The legislative action history — every referral, reading, and vote.
+
+- **2020-04-01T06:00:00+00:00** Governor Signed `executive-signature`
+- **2020-03-23T06:00:00+00:00** Sent to the Governor `executive-receipt`
+- **2020-03-17T06:00:00+00:00** Signed by the Speaker of the House
+- **2020-03-17T06:00:00+00:00** Signed by the President of the Senate
+- **2020-03-04T07:00:00+00:00** Senate Third Reading Passed - No Amendments `reading-3, passage`
+- **2020-03-03T07:00:00+00:00** Senate Second Reading Passed - No Amendments `reading-2`
+- **2020-02-27T07:00:00+00:00** Senate Committee on Agriculture & Natural Resources Refer Unamended - Consent Calendar to Senate Committee of the Whole `committee-passage`
+- **2020-02-20T07:00:00+00:00** Introduced In Senate - Assigned to Agriculture & Natural Resources `introduction`
+- **2020-02-18T07:00:00+00:00** House Third Reading Passed - No Amendments `reading-3, passage`
+- **2020-02-14T07:00:00+00:00** House Second Reading Special Order - Passed - No Amendments
+- **2020-02-13T07:00:00+00:00** House Second Reading Laid Over Daily - No Amendments
+- **2020-02-10T07:00:00+00:00** House Committee on Rural Affairs & Agriculture Refer Unamended to House Committee of the Whole `committee-passage, referral-committee`
+- **2020-01-21T07:00:00+00:00** Introduced In House - Assigned to Rural Affairs & Agriculture `introduction`
+
+## Source
+
+OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/5005fbe5-cc17-4627-833d-efb32600b3f0`. Confidence: reported (aggregated from official Colorado legislature records).
+