Region 4 default stream rules apply: closed to fishing Apr 1 to Jun 14 provincewide, trout and char catch-and-release Nov 1 to Mar 31, and a single barbless hook required year-round. Hatteras has no individual entry in the Region 4 table, so treat it under the Duncan Lake tributaries bucket (4-27), which sets a bull trout catch-and-release rule across the Upper Duncan River and its tributaries. Confirm the current Region 4 synopsis before fishing.

Hatteras carries an official name in the Kootenay Land District (NRCan key JAPGW), at 50.925000, -117.192222, and drains into the Upper Duncan system above Duncan Lake. It runs stream order 4 (mid-low in the network, on a scale that runs from 1 for a headwater trickle up to 6 or more for a full river), stretches roughly 12 km, and holds zero fish records in provincial inventory data. A regional habitat model infers cutthroat, bull trout, rainbow trout, kokanee, mountain whitefish and burbot in the wider watershed, but that is an inferred watershed signal, not a confirmed local record, and should be read as drainage context rather than a promise of what is actually swimming in this specific creek.

There is no direct fishery report, hatch record or guide coverage confirmed for Hatteras Creek. The one solid piece of angling-relevant evidence is conservation, not opportunity: BC Hydro's DDMMON-5 Year 10 monitoring report states that bull trout passing Duncan Dam are known to spawn throughout the Upper Duncan above the reservoir, including Hatteras Creek, and the Okanagan Nation Alliance runs an ongoing Upper Duncan kokanee and bull trout monitoring program built around exactly that life history. Treat Hatteras as a spawning-conservation creek first. If you do fish nearby water in season, expect small-tributary food, stoneflies, caddisflies, mayflies, midges and terrestrials, as a working hypothesis rather than a documented hatch chart, since no direct hatch data has been confirmed here.

No public access route, road condition, trailhead or tenure note has been confirmed for Hatteras Creek. Anyone heading in should treat it as unscouted: check current Forest Service Road status and land tenure for the Upper Duncan drainage above Duncan Lake before planning a trip, and be ready to find no marked trail or parking area.