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Is the Little Lemonweir River good for brook trout?

Yes, on the classification rather than on a thermometer. WDNR has stocked brook trout into the Little Lemonweir River across 9 recorded plants, between 2016 and 2024, and WDNR classes most of its typed water as cold — but no USGS gauge on this river reports water temperature, so this site has no measured July mean to hold against the 53–61 °F band this fish wants. That is a stocking record and not a survey: it says WDNR put the fish in, not that anyone has since found one holding over. Fish of 6–11 inches are what Wisconsin reports as typical.

Map of Little Lemonweir River Open Little Lemonweir River on the map See Little Lemonweir River on the live map → Every reach coloured by water temperature, with the public land and access points along it.

What the state's records say

Species
Brook trout (Salvelinus fontinalis)
In Wisconsin
native
Record here
stocked — no survey record on this water
Holds in
53–61 °F, stops feeding above 68 °F
Typical
6–11 inches
Spawns
October and November, on gravel in groundwater-fed shallows, often at the mouths of seeps rather than in the main current.

Native, and the driftless spring creeks and the northern forest headwaters hold it in different country: karst springs in the south, tannic sand and gravel in the north.

Is the water cold enough

No USGS gauge on this river reports water temperature, so there is no measured July mean to put beside the species' band. WDNR's classification of the typed reaches is Cold, and that is a classification rather than a thermometer.

GaugeNowJuly mean
STILLWELL CREEK AT SIXTEENTH COURT NEAR TOMAH, WI 60.8 °F 62.2 °F

What you may keep

Wisconsin DNR classifies this water as Class I, Class II, Class III. The management tier on those reaches is stocked, wild, wild supplemented. This is a designation of the fishery and not the season and creel rules.

WDNR trout stream classification → Wisconsin season and creel rules →

What to fish for it

The insects recorded from this river's region, earliest first. The full calendar →

More about Little Lemonweir River

Little Lemonweir River — live water temperature, regulations and access

Nearby rivers for brook trout