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Field Sense Navigator

Field Packet

RECORD HHI-DEST-053

Issued 2026-08-13

Schema 0.4.0

Missouri River (Canyon Ferry Dam to Toston / upper segments public FAS)

Central Montana / Missouri River system, Montana · river

Declared job
Not declared
Field readiness
95/100
Band
Ready to plan
Last source check
2026-08-08

Same-day field check

Tailored to this water. Every line is an action you take, not a condition we claim to know.

Before you leave

  • Identify the exact FAS put-in and take-out (e.g. York's Islands → Toston) before travel.Record: required verification
  • Check current FWP regulations and any emergency rules for the planned segment.Record: required verification
  • Review USGS stage and NWS forecasts.Record: required verification
  • Open the official source and confirm nothing has changed since 2026-08-08.Record: source freshness

At the access

  • Confirm posted signage matches what this packet says. Posted signage wins.Standing policy
  • Note the exact access name and managing authority in your log.Standing policy

On the water

  • Read current before wading or anchoring; flows can change with releases.Layer 02: current & flow

Standing rules

  • Read the current regulation entry for this water — season dates, gear and limits vary by section.Layer 04: regulatory pressure
  • If any check above cannot be completed, this water is NOT GO for the day. Fail closed.Standing policy

Layer digest

Access & legality

2 named public facilities documented on the official source.

Confidence 83% · 3 residual unknowns

Conditions & hazards

1 documented hazard family on record. These are standing characteristics of the water, not a forecast.

Confidence 58% · 3 residual unknowns

Capacity & crowding

No documented capacity pressure. Expect ordinary parking and launch behaviour, unverified.

Confidence 44% · 3 residual unknowns

Seasonal & regulatory pressure

1 regulatory pressure point. Rules here move with date, section and vessel.

Confidence 62% · 3 residual unknowns

Field-check requirement

3 verifications must be completed on the day of travel before this water is considered go.

Confidence 74% · 2 residual unknowns

Recorded hazard families

current

Capacity pressure

None recorded.

Official source

https://myfwp.mt.gov/fishMT/fas/39753480

Species context

Rainbow trout, Brown trout, Walleye, Northern pike, Mountain whitefish