BirdTrout

Mill Creek, Pennsylvania

13.1 mapped river miles, draining 24 square miles, in the Lower West Branch Susquehanna basin watershed. No gauge stands in it; the nearest is 22.9 miles away, and what this page knows about its temperature is PA DEP's classification of the water itself.

Open in BirdTrout
Map key
Public land — where the bank is open to walk and fish
USGS gauge — live water temperature
Water temperature — the colour of the river, and of every dot on it

50°F and colder is cold, through cold-transitional and cool, to warm above 70°F — the same four bands, breaking at 58, 64 and 70°F, that the app paints. Grey is water nobody has measured.

The nearest live reading

The nearest gauge is 22.9 miles away, at N Br Towanda Cr, Clark Rd Nr Granville Summit Pa — not a reading of this water, but of what the region is doing today.

59.2 °F
N Br Towanda Cr, Clark Rd Nr Granville Summit Pa
22.9 mi away · 2 cfs · read 30 Sep, 9:15 am ET
Cold-transitional

Thermal classification

PA DEP's classification of this water, reach by reach. A class, not a temperature — no July mean, because none was measured here.

Reach Typed miles Band PA DEP type
RM 13.1–13.1 0.0 cool —
RM 13.1–13.1 18.9 cold —
RM 13.1–9.0 4.1 cool —
RM 9.3–4.9 4.9 cold —
RM 9.0–4.9 4.1 cool —
RM 4.9–4.9 0.5 cold —
RM 4.9–1.4 9.2 cool —
RM 2.1–2.1 2.0 warm —
RM 2.1–2.1 5.3 cool —
RM 2.1–0.0 0.8 warm —
RM 2.1–0.0 2.1 cool —
RM 0.0–0.0 3.0 warm —
RM 0.0–0.0 3.4 cool —

PA DEP has classified 58.3 of the 58 miles NHD carries for this stream — 100% of it. The typed water splits 28.2 mi cool, 24.3 mi cold, 5.8 mi warm. The untyped reaches are not warm water — they are water PA DEP's inventory does not reach, and the mile ranges above span only the reaches it does.

Questions about this river

PA DEP classification

PA DEP classifies this water as Cold Water Fishes, Trout Stocking, and Warm Water Fishes. More than one class appears because the classification changes along the river. The thermal bar above shows where. The management tier on those reaches is Cold Water Fishes, Trout Stocking, Warm Water Fishes. This is a designation of the fishery, not the season and creel rules — those change yearly and live with the agency.

Species

PA DEP designates this as trout water — Cold Water Fishes, Trout Stocking — without naming the species. No fish survey or stocking record for this water is in the files this site reads.

Tributaries and watershed

3 named streams meet this one. Confluence miles are above the mouth; the longest twelve are listed.

Mill Creek sits in HUC 8 02050206, the Lower West Branch Susquehanna basin, and drains 24 square miles, Strahler order 4 at the mouth. 111 NHD reaches carry the name for 58.3 miles in total — more than the 13.1 miles of drawn mainstem, because NHD counts side channels and braids as their own reaches.

Other water nearby

The closest 6 rivers on this site, straight-line from the middle of this one — not drive time.