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Trout Stocking in Colorado

Catchable trout of about ten inches, on top of a large wild and native trout programme. CPW publishes its stocked waters as names rather than coordinates, so the agency’s own stocking report is where to look them up. Every figure here was read from the agency's own page on September 3, 2026.

Colorado runs no statewide trout season opener
Who publishes it
CPW
Report form
A dated table
Season opener
No opener
Waters as geodata
Not published

What has been stocked near you in Colorado?

Registry built September 3, 2026
Where the stocking answer lives. Which agency publishes the stocking record for your state, what that record covers, the season opener where the agency has actually published one, and a link straight to the page that governs. Regulations and licensing are the agency’s, and every state page links it.

5,227 stocked waters from the 7 agencies that publish theirs with coordinates, plus Montana FWP’s dated stocking events live. Registry built September 3, 2026.

The source that governs

Where Colorado publishes its stocking record

Colorado Parks and Wildlife publishes where catchable trout of about ten inches were recently stocked, with the Colorado Fishing Atlas for the waters themselves. It comes out as updated every Friday during the fishing season, which is the cadence to plan around: anything faster than that is not being published, and anything on this page is older than that by definition.

Crew loading trout from a raceway onto a Dale Hollow National Fish Hatchery truck in early morning fog
Loading out at dawn. The count that ends up in a stocking report is made here, at the hatchery, before the truck leaves. “Loading Trout onto truck at Dale Hollow National Fish Hatchery (8744463592)” — U.S. Fish and Wildlife Service Southeast Region — Public domain
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Season

How CPW sets the Colorado trout season

Most states do not publish a single dated statewide trout opener. Here is exactly what CPW does publish.

No season opener

No bar is drawn here because CPW has published no dates for this site to draw. Drawing one anyway would be a guess with a calendar around it.

This state runs no trout season opener; the water is open on the agency's own terms year round.

Colorado has no statewide trout opener; most waters are open all year and the limits are ice, altitude and access.

Read from Fish Stocking Report, Colorado Parks and Wildlife on September 3, 2026.

Where to look

Where to find Colorado stocked waters

CPW publishes which waters it stocks. What it does not publish is those waters as coordinates, and a stocking list that reads “Spring Creek, Centre County” is perfectly good for a person with a map and completely useless for a distance ranking. Only 7 agencies publish geodata: Connecticut, Massachusetts, Montana, New Hampshire, New Jersey, Tennessee, Utah.

This site could geocode Colorado water names into coordinates and put pins on a map. It does not, because that process quietly invents precision: two creeks share a name, a river reach becomes a point, and the reader gets a map that looks authoritative and is wrong in ways nobody can see. The agency's own list is better than anything that could be rebuilt from it here.

Catchable trout of about ten inches, on top of a large wild and native trout programme. The window CPW describes is: through the fishing season, high country waters as the ice leaves them.

Summarised from CPW Fish Stocking Report in our own words.

US Fish and Wildlife Service tanker truck being filled from a covered hatchery raceway through a wide hose
Fish moving from raceway to tank. A stocking schedule is a plan for trips like this one, and plans change with water temperature. “Fish Stocking (34276630984)” — USFWSmidwest — Public domain
How Colorado does it

The Colorado trout programme

Colorado is the rare western state where the stocking report is a weekly rhythm rather than a season. It goes out every Friday through the fishing season and covers catchable trout of around ten inches, which is the fish stocked to be caught rather than to establish anything. Behind it sits a much larger native and wild trout programme, including cutthroat recovery work, that the stocking report does not describe.

What goes in, and when. Catchable trout of about ten inches, on top of a large wild and native trout programme. Through the fishing season, high country waters as the ice leaves them.

Brook trout swimming over a cobble stream bed showing pale vermiculations along its back
A brook trout over cobble. Several states stock brook trout into water that once held them wild, which is why a stocked water and a native one can look identical. “Brook trout swims in native stream underwater fish image” — Eric Engbretson, U.S. Fish and Wildlife Service — Public domain

How this record was checked. Fish Stocking Report page fetched and confirmed on 2026-09-03, title "Fish Stocking Report | Colorado Parks and Wildlife". The weekly Friday cadence and the ten inch catchable size are CPW's own statements.

Nearby

The rest of the Rockies

How Colorado's neighbours publish, read September 3, 2026.
StateAgencyReport formSeason opener
IdahoIdaho Fish and Gamea searchable databasePublished by the agency
MontanaMontana FWPa machine readable feedPublished by the agency
NevadaNDOWa dated tableNo season opener
UtahUtah DWRa dated tableNo season opener
WyomingWGFDa searchable databaseNo season opener
Questions

Colorado trout stocking questions

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